mirror of
https://github.com/ebean-orm/ebean.git
synced 2026-11-01 16:19:49 +00:00
#919 - io.ebean package initial
This commit is contained in:
Rob Bygrave
@@ -0,0 +1,59 @@
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package io.ebeaninternal.server.el;
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/**
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* Case insensitive string matching.
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* <p>
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* Provides an alternative to using regular expressions.
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* </p>
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*/
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public final class CharMatch {
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private final char[] upperChars;
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private final int maxLength;
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public CharMatch(String s) {
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this.upperChars = s.toUpperCase().toCharArray();
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this.maxLength = upperChars.length;
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}
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public boolean startsWith(String other) {
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if (other == null || other.length() < maxLength) {
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return false;
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}
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char ta[] = other.toCharArray();
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int pos = -1;
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while (++pos < maxLength) {
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char c1 = upperChars[pos];
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char c2 = Character.toUpperCase(ta[pos]);
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if (c1 != c2) {
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return false;
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}
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}
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return true;
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}
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public boolean endsWith(String other) {
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if (other == null || other.length() < maxLength) {
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return false;
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}
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char ta[] = other.toCharArray();
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int offset = ta.length - maxLength;
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int pos = maxLength;
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while (--pos >= 0) {
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char c1 = upperChars[pos];
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char c2 = Character.toUpperCase(ta[offset + pos]);
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if (c1 != c2) {
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return false;
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}
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}
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return true;
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}
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}
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@@ -0,0 +1,20 @@
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package io.ebeaninternal.server.el;
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import java.util.Comparator;
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/**
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* Comparator for use with the expression objects.
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*/
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public interface ElComparator<T> extends Comparator<T> {
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/**
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* Compare given 2 beans.
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*/
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int compare(T o1, T o2);
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/**
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* Compare with a fixed value to a given bean.
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*/
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int compareValue(Object value, T o2);
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}
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@@ -0,0 +1,44 @@
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package io.ebeaninternal.server.el;
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import java.util.Comparator;
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/**
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* Comparator based on multiple ordered comparators.
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* <p>
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* eg. "name, orderDate desc, id"
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* </p>
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*/
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public final class ElComparatorCompound<T> implements Comparator<T>, ElComparator<T> {
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private final ElComparator<T>[] array;
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public ElComparatorCompound(ElComparator<T>[] array) {
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this.array = array;
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}
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public int compare(T o1, T o2) {
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for (ElComparator<T> anArray : array) {
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int ret = anArray.compare(o1, o2);
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if (ret != 0) {
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return ret;
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}
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}
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return 0;
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}
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public int compareValue(Object value, T o2) {
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for (ElComparator<T> anArray : array) {
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int ret = anArray.compareValue(value, o2);
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if (ret != 0) {
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return ret;
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}
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}
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return 0;
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}
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}
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@@ -0,0 +1,49 @@
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package io.ebeaninternal.server.el;
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import java.util.Comparator;
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/**
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* Comparator based on a ElGetValue.
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*/
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public final class ElComparatorProperty<T> implements Comparator<T>, ElComparator<T> {
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private final ElPropertyValue elGetValue;
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private final int nullOrder;
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private final int asc;
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public ElComparatorProperty(ElPropertyValue elGetValue, boolean ascending, boolean nullsHigh) {
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this.elGetValue = elGetValue;
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this.asc = ascending ? 1 : -1;
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this.nullOrder = asc * (nullsHigh ? 1 : -1);
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}
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public int compare(T o1, T o2) {
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Object val1 = elGetValue.pathGet(o1);
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Object val2 = elGetValue.pathGet(o2);
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return compareValues(val1, val2);
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}
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public int compareValue(Object value, T o2) {
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Object val2 = elGetValue.pathGet(o2);
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return compareValues(value, val2);
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}
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@SuppressWarnings({"unchecked", "rawtypes"})
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public int compareValues(Object val1, Object val2) {
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if (val1 == null) {
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return val2 == null ? 0 : nullOrder;
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}
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if (val2 == null) {
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return -1 * nullOrder;
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}
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Comparable c = (Comparable) val1;
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return asc * c.compareTo(val2);
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}
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}
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@@ -0,0 +1,249 @@
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package io.ebeaninternal.server.el;
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import io.ebean.Filter;
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import io.ebeaninternal.server.deploy.BeanDescriptor;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Set;
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import java.util.regex.Pattern;
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/**
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* Default implementation of the Filter interface.
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*/
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public final class ElFilter<T> implements Filter<T> {
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private final BeanDescriptor<T> beanDescriptor;
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private final ArrayList<ElMatcher<T>> matches = new ArrayList<>();
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private int maxRows;
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private String sortByClause;
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public ElFilter(BeanDescriptor<T> beanDescriptor) {
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this.beanDescriptor = beanDescriptor;
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}
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private Object convertValue(String propertyName, Object value) {
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// convert type of value to match expected type
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ElPropertyValue elGetValue = beanDescriptor.getElGetValue(propertyName);
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return elGetValue.convert(value);
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}
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private ElComparator<T> getElComparator(String propertyName) {
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return beanDescriptor.getElComparator(propertyName);
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}
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private ElPropertyValue getElGetValue(String propertyName) {
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return beanDescriptor.getElGetValue(propertyName);
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}
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public Filter<T> sort(String sortByClause) {
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this.sortByClause = sortByClause;
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return this;
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}
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protected boolean isMatch(T bean) {
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for (ElMatcher<T> matcher : matches) {
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if (!matcher.isMatch(bean)) {
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return false;
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}
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}
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return true;
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}
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public Filter<T> in(String propertyName, Set<?> matchingValues) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.InSet<>(matchingValues, elGetValue));
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return this;
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}
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public Filter<T> eq(String propertyName, Object value) {
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value = convertValue(propertyName, value);
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ElComparator<T> comparator = getElComparator(propertyName);
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matches.add(new ElMatchBuilder.Eq<>(value, comparator));
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return this;
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}
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public Filter<T> ne(String propertyName, Object value) {
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value = convertValue(propertyName, value);
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ElComparator<T> comparator = getElComparator(propertyName);
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matches.add(new ElMatchBuilder.Ne<>(value, comparator));
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return this;
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}
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public Filter<T> between(String propertyName, Object min, Object max) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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min = elGetValue.convert(min);
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max = elGetValue.convert(max);
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ElComparator<T> elComparator = getElComparator(propertyName);
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matches.add(new ElMatchBuilder.Between<>(min, max, elComparator));
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return this;
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}
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public Filter<T> gt(String propertyName, Object value) {
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value = convertValue(propertyName, value);
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ElComparator<T> comparator = getElComparator(propertyName);
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matches.add(new ElMatchBuilder.Gt<>(value, comparator));
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return this;
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}
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public Filter<T> ge(String propertyName, Object value) {
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value = convertValue(propertyName, value);
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ElComparator<T> comparator = getElComparator(propertyName);
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matches.add(new ElMatchBuilder.Ge<>(value, comparator));
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return this;
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}
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public Filter<T> ieq(String propertyName, String value) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.Ieq<>(elGetValue, value));
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return this;
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}
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public Filter<T> isNotNull(String propertyName) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.IsNotNull<>(elGetValue));
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return this;
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}
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public Filter<T> isNull(String propertyName) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.IsNull<>(elGetValue));
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return this;
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}
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public Filter<T> le(String propertyName, Object value) {
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value = convertValue(propertyName, value);
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ElComparator<T> comparator = getElComparator(propertyName);
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matches.add(new ElMatchBuilder.Le<>(value, comparator));
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return this;
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}
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public Filter<T> lt(String propertyName, Object value) {
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value = convertValue(propertyName, value);
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ElComparator<T> comparator = getElComparator(propertyName);
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matches.add(new ElMatchBuilder.Lt<>(value, comparator));
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return this;
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}
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public Filter<T> regex(String propertyName, String regEx) {
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return regex(propertyName, regEx, 0);
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}
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public Filter<T> regex(String propertyName, String regEx, int options) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.RegularExpr<>(elGetValue, regEx, options));
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return this;
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}
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public Filter<T> contains(String propertyName, String value) {
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String quote = ".*" + Pattern.quote(value) + ".*";
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.RegularExpr<>(elGetValue, quote, 0));
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return this;
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}
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public Filter<T> icontains(String propertyName, String value) {
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String quote = ".*" + Pattern.quote(value) + ".*";
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.RegularExpr<>(elGetValue, quote, Pattern.CASE_INSENSITIVE));
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return this;
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}
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public Filter<T> endsWith(String propertyName, String value) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.EndsWith<>(elGetValue, value));
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return this;
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}
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public Filter<T> startsWith(String propertyName, String value) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.StartsWith<>(elGetValue, value));
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return this;
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}
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public Filter<T> iendsWith(String propertyName, String value) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.IEndsWith<>(elGetValue, value));
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return this;
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}
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public Filter<T> istartsWith(String propertyName, String value) {
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ElPropertyValue elGetValue = getElGetValue(propertyName);
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matches.add(new ElMatchBuilder.IStartsWith<>(elGetValue, value));
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return this;
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}
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public Filter<T> maxRows(int maxRows) {
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this.maxRows = maxRows;
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return this;
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}
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public List<T> filter(List<T> list) {
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if (sortByClause != null) {
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// create shallow copy and sort
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list = new ArrayList<>(list);
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beanDescriptor.sort(list, sortByClause);
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}
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ArrayList<T> filterList = new ArrayList<>();
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for (T t : list) {
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if (isMatch(t)) {
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filterList.add(t);
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if (maxRows > 0 && filterList.size() >= maxRows) {
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break;
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}
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}
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}
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return filterList;
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}
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}
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@@ -0,0 +1,282 @@
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package io.ebeaninternal.server.el;
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|
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import java.util.HashSet;
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import java.util.Set;
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import java.util.regex.Pattern;
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/**
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* Contains the various ElMatcher implementations.
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*/
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class ElMatchBuilder {
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/**
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* Case insensitive equals.
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*/
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static class RegularExpr<T> implements ElMatcher<T> {
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final ElPropertyValue elGetValue;
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final String value;
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final Pattern pattern;
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RegularExpr(ElPropertyValue elGetValue, String value, int options) {
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this.elGetValue = elGetValue;
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this.value = value;
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this.pattern = Pattern.compile(value, options);
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}
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public boolean isMatch(T bean) {
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String v = (String) elGetValue.pathGet(bean);
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return pattern.matcher(v).matches();
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}
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}
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/**
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* Case insensitive equals.
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*/
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static abstract class BaseString<T> implements ElMatcher<T> {
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final ElPropertyValue elGetValue;
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final String value;
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public BaseString(ElPropertyValue elGetValue, String value) {
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this.elGetValue = elGetValue;
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this.value = value;
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}
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public abstract boolean isMatch(T bean);
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}
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static class Ieq<T> extends BaseString<T> {
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Ieq(ElPropertyValue elGetValue, String value) {
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super(elGetValue, value);
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}
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||||
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public boolean isMatch(T bean) {
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String v = (String) elGetValue.pathGet(bean);
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||||
return value.equalsIgnoreCase(v);
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||||
}
|
||||
}
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||||
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||||
/**
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||||
* Case insensitive starts with matcher.
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||||
*/
|
||||
static class IStartsWith<T> implements ElMatcher<T> {
|
||||
|
||||
final ElPropertyValue elGetValue;
|
||||
final CharMatch charMatch;
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||||
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IStartsWith(ElPropertyValue elGetValue, String value) {
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this.elGetValue = elGetValue;
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||||
this.charMatch = new CharMatch(value);
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||||
}
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||||
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||||
public boolean isMatch(T bean) {
|
||||
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||||
String v = (String) elGetValue.pathGet(bean);
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||||
return charMatch.startsWith(v);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Case insensitive ends with matcher.
|
||||
*/
|
||||
static class IEndsWith<T> implements ElMatcher<T> {
|
||||
|
||||
final ElPropertyValue elGetValue;
|
||||
final CharMatch charMatch;
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||||
|
||||
IEndsWith(ElPropertyValue elGetValue, String value) {
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||||
this.elGetValue = elGetValue;
|
||||
this.charMatch = new CharMatch(value);
|
||||
}
|
||||
|
||||
public boolean isMatch(T bean) {
|
||||
|
||||
String v = (String) elGetValue.pathGet(bean);
|
||||
return charMatch.endsWith(v);
|
||||
}
|
||||
}
|
||||
|
||||
static class StartsWith<T> extends BaseString<T> {
|
||||
StartsWith(ElPropertyValue elGetValue, String value) {
|
||||
super(elGetValue, value);
|
||||
}
|
||||
|
||||
public boolean isMatch(T bean) {
|
||||
String v = (String) elGetValue.pathGet(bean);
|
||||
return value.startsWith(v);
|
||||
}
|
||||
}
|
||||
|
||||
static class EndsWith<T> extends BaseString<T> {
|
||||
EndsWith(ElPropertyValue elGetValue, String value) {
|
||||
super(elGetValue, value);
|
||||
}
|
||||
|
||||
public boolean isMatch(T bean) {
|
||||
String v = (String) elGetValue.pathGet(bean);
|
||||
return value.endsWith(v);
|
||||
}
|
||||
}
|
||||
|
||||
static class IsNull<T> implements ElMatcher<T> {
|
||||
|
||||
final ElPropertyValue elGetValue;
|
||||
|
||||
public IsNull(ElPropertyValue elGetValue) {
|
||||
this.elGetValue = elGetValue;
|
||||
}
|
||||
|
||||
public boolean isMatch(T bean) {
|
||||
return (null == elGetValue.pathGet(bean));
|
||||
}
|
||||
}
|
||||
|
||||
static class IsNotNull<T> implements ElMatcher<T> {
|
||||
|
||||
final ElPropertyValue elGetValue;
|
||||
|
||||
public IsNotNull(ElPropertyValue elGetValue) {
|
||||
this.elGetValue = elGetValue;
|
||||
}
|
||||
|
||||
public boolean isMatch(T bean) {
|
||||
return (null != elGetValue.pathGet(bean));
|
||||
}
|
||||
}
|
||||
|
||||
static abstract class Base<T> implements ElMatcher<T> {
|
||||
|
||||
final Object filterValue;
|
||||
|
||||
final ElComparator<T> comparator;
|
||||
|
||||
public Base(Object filterValue, ElComparator<T> comparator) {
|
||||
this.filterValue = filterValue;
|
||||
this.comparator = comparator;
|
||||
}
|
||||
|
||||
public abstract boolean isMatch(T value);
|
||||
}
|
||||
|
||||
static class InSet<T> implements ElMatcher<T> {
|
||||
|
||||
final Set<?> set;
|
||||
final ElPropertyValue elGetValue;
|
||||
|
||||
@SuppressWarnings({"unchecked", "rawtypes"})
|
||||
public InSet(Set<?> set, ElPropertyValue elGetValue) {
|
||||
this.set = new HashSet(set);
|
||||
this.elGetValue = elGetValue;
|
||||
}
|
||||
|
||||
public boolean isMatch(T bean) {
|
||||
|
||||
Object value = elGetValue.pathGet(bean);
|
||||
return value != null && set.contains(value);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Equal To.
|
||||
*/
|
||||
static class Eq<T> extends Base<T> {
|
||||
|
||||
public Eq(Object filterValue, ElComparator<T> comparator) {
|
||||
super(filterValue, comparator);
|
||||
}
|
||||
|
||||
public boolean isMatch(T value) {
|
||||
return comparator.compareValue(filterValue, value) == 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Not Equal To.
|
||||
*/
|
||||
static class Ne<T> extends Base<T> {
|
||||
|
||||
public Ne(Object filterValue, ElComparator<T> comparator) {
|
||||
super(filterValue, comparator);
|
||||
}
|
||||
|
||||
public boolean isMatch(T value) {
|
||||
return comparator.compareValue(filterValue, value) != 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Between.
|
||||
*/
|
||||
static class Between<T> implements ElMatcher<T> {
|
||||
|
||||
final Object min;
|
||||
final Object max;
|
||||
final ElComparator<T> comparator;
|
||||
|
||||
Between(Object min, Object max, ElComparator<T> comparator) {
|
||||
this.min = min;
|
||||
this.max = max;
|
||||
this.comparator = comparator;
|
||||
}
|
||||
|
||||
public boolean isMatch(T value) {
|
||||
|
||||
return (comparator.compareValue(min, value) <= 0
|
||||
&& comparator.compareValue(max, value) >= 0);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Greater Than.
|
||||
*/
|
||||
static class Gt<T> extends Base<T> {
|
||||
Gt(Object filterValue, ElComparator<T> comparator) {
|
||||
super(filterValue, comparator);
|
||||
}
|
||||
|
||||
public boolean isMatch(T value) {
|
||||
return comparator.compareValue(filterValue, value) == -1;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Greater Than or Equal To.
|
||||
*/
|
||||
static class Ge<T> extends Base<T> {
|
||||
Ge(Object filterValue, ElComparator<T> comparator) {
|
||||
super(filterValue, comparator);
|
||||
}
|
||||
|
||||
public boolean isMatch(T value) {
|
||||
return comparator.compareValue(filterValue, value) >= 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Less Than or Equal To.
|
||||
*/
|
||||
static class Le<T> extends Base<T> {
|
||||
Le(Object filterValue, ElComparator<T> comparator) {
|
||||
super(filterValue, comparator);
|
||||
}
|
||||
|
||||
public boolean isMatch(T value) {
|
||||
return comparator.compareValue(filterValue, value) <= 0;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Less Than.
|
||||
*/
|
||||
static class Lt<T> extends Base<T> {
|
||||
Lt(Object filterValue, ElComparator<T> comparator) {
|
||||
super(filterValue, comparator);
|
||||
}
|
||||
|
||||
public boolean isMatch(T value) {
|
||||
return comparator.compareValue(filterValue, value) == 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,12 @@
|
||||
package io.ebeaninternal.server.el;
|
||||
|
||||
/**
|
||||
* Interface for defining matches for filter expressions.
|
||||
*/
|
||||
public interface ElMatcher<T> {
|
||||
|
||||
/**
|
||||
* Return true if the bean matches the expression.
|
||||
*/
|
||||
boolean isMatch(T bean);
|
||||
}
|
||||
@@ -0,0 +1,277 @@
|
||||
package io.ebeaninternal.server.el;
|
||||
|
||||
import io.ebean.bean.EntityBean;
|
||||
import io.ebean.text.StringParser;
|
||||
import io.ebeaninternal.api.SpiExpressionRequest;
|
||||
import io.ebeaninternal.server.deploy.BeanProperty;
|
||||
import io.ebeaninternal.server.lib.util.StringHelper;
|
||||
import io.ebeaninternal.server.query.SplitName;
|
||||
import io.ebeaninternal.server.type.ScalarType;
|
||||
|
||||
import java.util.Arrays;
|
||||
|
||||
|
||||
/**
|
||||
* A ElGetValue based on a chain of properties.
|
||||
* <p>
|
||||
* Used to get the value for an compound expression like customer.name or
|
||||
* customer.shippingAddress.city etc.
|
||||
* </p>
|
||||
* <p>
|
||||
* Note that if any element in the chain returns null, then null is returned and
|
||||
* no further processing of the chain occurs.
|
||||
* </p>
|
||||
*/
|
||||
public class ElPropertyChain implements ElPropertyValue {
|
||||
|
||||
private final String prefix;
|
||||
|
||||
private final String placeHolder;
|
||||
private final String placeHolderEncrypted;
|
||||
|
||||
private final String name;
|
||||
|
||||
private final String expression;
|
||||
|
||||
private final boolean containsMany;
|
||||
|
||||
private final ElPropertyValue[] chain;
|
||||
|
||||
private final boolean assocId;
|
||||
private final int last;
|
||||
private final BeanProperty lastBeanProperty;
|
||||
private final ScalarType<?> scalarType;
|
||||
|
||||
private final ElPropertyValue lastElPropertyValue;
|
||||
|
||||
public ElPropertyChain(boolean containsMany, boolean embedded, String expression, ElPropertyValue[] chain) {
|
||||
|
||||
this.containsMany = containsMany;
|
||||
this.chain = chain;
|
||||
this.expression = expression;
|
||||
int dotPos = expression.lastIndexOf('.');
|
||||
if (dotPos > -1) {
|
||||
this.name = expression.substring(dotPos + 1);
|
||||
if (embedded) {
|
||||
int embPos = expression.lastIndexOf('.', dotPos - 1);
|
||||
this.prefix = embPos == -1 ? null : expression.substring(0, embPos);
|
||||
|
||||
} else {
|
||||
this.prefix = expression.substring(0, dotPos);
|
||||
}
|
||||
} else {
|
||||
this.prefix = null;
|
||||
this.name = expression;
|
||||
}
|
||||
|
||||
this.assocId = chain[chain.length - 1].isAssocId();
|
||||
|
||||
this.last = chain.length - 1;
|
||||
this.lastBeanProperty = chain[chain.length - 1].getBeanProperty();
|
||||
if (lastBeanProperty != null) {
|
||||
this.scalarType = lastBeanProperty.getScalarType();
|
||||
} else {
|
||||
// case for nested compound type (non-scalar)
|
||||
this.scalarType = null;
|
||||
}
|
||||
this.lastElPropertyValue = chain[chain.length - 1];
|
||||
this.placeHolder = getElPlaceHolder(prefix, lastElPropertyValue, false);
|
||||
this.placeHolderEncrypted = getElPlaceHolder(prefix, lastElPropertyValue, true);
|
||||
}
|
||||
|
||||
public String toString() {
|
||||
return "expr:" + expression + " chain:" + Arrays.toString(chain);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isAggregation() {
|
||||
return false;
|
||||
}
|
||||
|
||||
private String getElPlaceHolder(String prefix, ElPropertyValue lastElPropertyValue, boolean encrypted) {
|
||||
if (prefix == null) {
|
||||
return lastElPropertyValue.getElPlaceholder(encrypted);
|
||||
}
|
||||
|
||||
String el = lastElPropertyValue.getElPlaceholder(encrypted);
|
||||
|
||||
if (!el.contains("${}")) {
|
||||
// typically a secondary table property
|
||||
return StringHelper.replaceString(el, "${", "${" + prefix + ".");
|
||||
} else {
|
||||
return StringHelper.replaceString(el, ROOT_ELPREFIX, "${" + prefix + "}");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Return true if there is a many property from sinceProperty to
|
||||
* the end of this chain.
|
||||
*/
|
||||
public boolean containsManySince(String sinceProperty) {
|
||||
if (sinceProperty == null) {
|
||||
return containsMany;
|
||||
}
|
||||
if (!expression.startsWith(sinceProperty)) {
|
||||
return containsMany;
|
||||
}
|
||||
|
||||
int i = 1 + SplitName.count(sinceProperty);
|
||||
|
||||
for (; i < chain.length; i++) {
|
||||
if (chain[i].getBeanProperty().containsMany()) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean containsFormulaWithJoin() {
|
||||
// Not cascading the check at this stage
|
||||
return false;
|
||||
}
|
||||
|
||||
public boolean containsMany() {
|
||||
return containsMany;
|
||||
}
|
||||
|
||||
public String getElPrefix() {
|
||||
return prefix;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public String getElName() {
|
||||
return expression;
|
||||
}
|
||||
|
||||
public String getElPlaceholder(boolean encrypted) {
|
||||
return encrypted ? placeHolderEncrypted : placeHolder;
|
||||
}
|
||||
|
||||
public boolean isDbEncrypted() {
|
||||
return lastElPropertyValue.isDbEncrypted();
|
||||
}
|
||||
|
||||
public boolean isLocalEncrypted() {
|
||||
return lastElPropertyValue.isLocalEncrypted();
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getAssocIsEmpty(SpiExpressionRequest request, String path) {
|
||||
return lastElPropertyValue.getAssocIsEmpty(request, path);
|
||||
}
|
||||
|
||||
public Object[] getAssocIdValues(EntityBean bean) {
|
||||
// Don't navigate the object graph as bean
|
||||
// is assumed to be the appropriate type
|
||||
return lastElPropertyValue.getAssocIdValues(bean);
|
||||
}
|
||||
|
||||
public String getAssocIdExpression(String prefix, String operator) {
|
||||
return lastElPropertyValue.getAssocIdExpression(expression, operator);
|
||||
}
|
||||
|
||||
public String getAssocIdInExpr(String prefix) {
|
||||
return lastElPropertyValue.getAssocIdInExpr(prefix);
|
||||
}
|
||||
|
||||
public String getAssocIdInValueExpr(int size) {
|
||||
return lastElPropertyValue.getAssocIdInValueExpr(size);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isAssocMany() {
|
||||
return lastElPropertyValue.isAssocMany();
|
||||
}
|
||||
|
||||
public boolean isAssocId() {
|
||||
return assocId;
|
||||
}
|
||||
|
||||
public boolean isAssocProperty() {
|
||||
for (ElPropertyValue aChain : chain) {
|
||||
if (aChain.isAssocProperty()) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public String getDbColumn() {
|
||||
return lastElPropertyValue.getDbColumn();
|
||||
}
|
||||
|
||||
public BeanProperty getBeanProperty() {
|
||||
return lastBeanProperty;
|
||||
}
|
||||
|
||||
|
||||
public boolean isDateTimeCapable() {
|
||||
return scalarType != null && scalarType.isDateTimeCapable();
|
||||
}
|
||||
|
||||
public int getJdbcType() {
|
||||
return scalarType == null ? 0 : scalarType.getJdbcType();
|
||||
}
|
||||
|
||||
public Object parseDateTime(long systemTimeMillis) {
|
||||
return scalarType.convertFromMillis(systemTimeMillis);
|
||||
}
|
||||
|
||||
public StringParser getStringParser() {
|
||||
return scalarType;
|
||||
}
|
||||
|
||||
public Object convert(Object value) {
|
||||
// just convert using the last one in the chain
|
||||
return lastElPropertyValue.convert(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object pathGet(Object bean) {
|
||||
for (ElPropertyValue aChain : chain) {
|
||||
bean = aChain.pathGet(bean);
|
||||
if (bean == null) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
return bean;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object pathGetNested(Object bean) {
|
||||
|
||||
Object prevBean = bean;
|
||||
for (int i = 0; i < last; i++) {
|
||||
// always return non null prevBean
|
||||
prevBean = chain[i].pathGetNested(prevBean);
|
||||
}
|
||||
// try the last step in the chain
|
||||
return chain[last].pathGet(prevBean);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void pathSet(Object bean, Object value) {
|
||||
|
||||
Object prevBean = bean;
|
||||
for (int i = 0; i < last; i++) {
|
||||
prevBean = chain[i].pathGetNested(prevBean);
|
||||
}
|
||||
if (prevBean != null) {
|
||||
if (lastBeanProperty != null) {
|
||||
// last chain element maps to a real scalar property
|
||||
lastBeanProperty.pathSet(prevBean, value);
|
||||
|
||||
} else {
|
||||
// a non-scalar property of a Compound value object
|
||||
lastElPropertyValue.pathSet(prevBean, value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
@@ -0,0 +1,64 @@
|
||||
package io.ebeaninternal.server.el;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* Utility object used to build a ElPropertyChain.
|
||||
* <p>
|
||||
* Builds a ElPropertyChain based on a chain of properties with dot separators.
|
||||
* </p>
|
||||
* <p>
|
||||
* This can navigate an object graph based on dot notation such as
|
||||
* order.customer.name.
|
||||
* </p>
|
||||
*/
|
||||
public class ElPropertyChainBuilder {
|
||||
|
||||
private final String expression;
|
||||
|
||||
private final List<ElPropertyValue> chain = new ArrayList<>();
|
||||
|
||||
private final boolean embedded;
|
||||
|
||||
private boolean containsMany;
|
||||
|
||||
/**
|
||||
* Create with the original expression.
|
||||
*/
|
||||
public ElPropertyChainBuilder(boolean embedded, String expression) {
|
||||
this.embedded = embedded;
|
||||
this.expression = expression;
|
||||
}
|
||||
|
||||
public boolean isContainsMany() {
|
||||
return containsMany;
|
||||
}
|
||||
|
||||
public void setContainsMany() {
|
||||
this.containsMany = true;
|
||||
}
|
||||
|
||||
public String getExpression() {
|
||||
return expression;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a ElGetValue element to the chain.
|
||||
*/
|
||||
public ElPropertyChainBuilder add(ElPropertyValue element) {
|
||||
if (element == null) {
|
||||
throw new NullPointerException("element null in expression " + expression);
|
||||
}
|
||||
chain.add(element);
|
||||
return this;
|
||||
}
|
||||
|
||||
/**
|
||||
* Build the immutable ElGetChain from the build information.
|
||||
*/
|
||||
public ElPropertyChain build() {
|
||||
return new ElPropertyChain(containsMany, embedded, expression, chain.toArray(new ElPropertyValue[chain.size()]));
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,77 @@
|
||||
package io.ebeaninternal.server.el;
|
||||
|
||||
import io.ebeaninternal.server.deploy.BeanProperty;
|
||||
|
||||
/**
|
||||
* Used to parse expressions in queries (where, orderBy etc).
|
||||
* <p>
|
||||
* Maps an expression to deployment information such as
|
||||
* the DB column and elPrefix/elPlaceHolder is used determine
|
||||
* joins and set place holders for table alias'.
|
||||
* </p>
|
||||
*/
|
||||
public interface ElPropertyDeploy {
|
||||
|
||||
/**
|
||||
* This is the elPrefix for all root level properties.
|
||||
*/
|
||||
String ROOT_ELPREFIX = "${}";
|
||||
|
||||
/**
|
||||
* Return true if the property is a formula with a join clause.
|
||||
*/
|
||||
boolean containsFormulaWithJoin();
|
||||
|
||||
/**
|
||||
* Return true if there is a property on the path that is a many property.
|
||||
*/
|
||||
boolean containsMany();
|
||||
|
||||
/**
|
||||
* Return true if there is a property is on the path after sinceProperty
|
||||
* that is a 'many' property.
|
||||
*/
|
||||
boolean containsManySince(String sinceProperty);
|
||||
|
||||
/**
|
||||
* Return the prefix path of the property.
|
||||
* <p>
|
||||
* This is use to determine joins required to support
|
||||
* this property.
|
||||
* </p>
|
||||
*/
|
||||
String getElPrefix();
|
||||
|
||||
/**
|
||||
* Return the place holder in the form of ${elPrefix}dbColumn.
|
||||
* <p>
|
||||
* The ${elPrefix} is replaced by the appropriate table alias.
|
||||
* </p>
|
||||
*/
|
||||
String getElPlaceholder(boolean encrypted);
|
||||
|
||||
/**
|
||||
* Return the name of the property.
|
||||
*/
|
||||
String getName();
|
||||
|
||||
/**
|
||||
* The ElPrefix plus name.
|
||||
*/
|
||||
String getElName();
|
||||
|
||||
/**
|
||||
* Return the deployment db column for this property.
|
||||
*/
|
||||
String getDbColumn();
|
||||
|
||||
/**
|
||||
* Return the underlying bean property.
|
||||
*/
|
||||
BeanProperty getBeanProperty();
|
||||
|
||||
/**
|
||||
* Return true if this is an aggregation property.
|
||||
*/
|
||||
boolean isAggregation();
|
||||
}
|
||||
@@ -0,0 +1,60 @@
|
||||
package io.ebeaninternal.server.el;
|
||||
|
||||
import io.ebean.plugin.ExpressionPath;
|
||||
import io.ebeaninternal.api.SpiExpressionRequest;
|
||||
|
||||
/**
|
||||
* The expression language object that can get values.
|
||||
* <p>
|
||||
* This can be used for local sorting and filtering.
|
||||
* </p>
|
||||
*/
|
||||
public interface ElPropertyValue extends ElPropertyDeploy, ExpressionPath {
|
||||
|
||||
/**
|
||||
* Return the logical id value expression taking into account embedded id's.
|
||||
*/
|
||||
String getAssocIdInValueExpr(int size);
|
||||
|
||||
/**
|
||||
* Return the logical id in expression taking into account embedded id's.
|
||||
*/
|
||||
String getAssocIdInExpr(String prefix);
|
||||
|
||||
/**
|
||||
* Return the logical where clause to support "Is empty".
|
||||
*/
|
||||
String getAssocIsEmpty(SpiExpressionRequest request, String path);
|
||||
|
||||
/**
|
||||
* Return true if this is an ManyToOne or OneToOne associated bean property.
|
||||
*/
|
||||
boolean isAssocId();
|
||||
|
||||
/**
|
||||
* Return true if the property is a OneToMany or ManyToMany associated bean property.
|
||||
*/
|
||||
boolean isAssocMany();
|
||||
|
||||
/**
|
||||
* Return true if any path of this path contains a Associated One or Many.
|
||||
*/
|
||||
boolean isAssocProperty();
|
||||
|
||||
/**
|
||||
* Return true if the property is encrypted via Java.
|
||||
*/
|
||||
boolean isLocalEncrypted();
|
||||
|
||||
/**
|
||||
* Return true if the property is encrypted in the DB.
|
||||
*/
|
||||
boolean isDbEncrypted();
|
||||
|
||||
/**
|
||||
* Return the value ensuring objects prior to the top scalar property are
|
||||
* automatically populated.
|
||||
*/
|
||||
Object pathGetNested(Object bean);
|
||||
|
||||
}
|
||||
@@ -0,0 +1 @@
|
||||
package io.ebeaninternal.server.el;
|
||||
Reference in New Issue
Block a user