#2318 - Refactor internals - final classes in server packages

2026-11-13 06:42:57 +00:00 · 2021-08-17 18:24:28 +12:00
1 parent cd407ee467
commit b4f4ef3c1b
@@ -8,7 +8,7 @@ import io.ebeaninternal.server.core.DefaultContainer;
 /**
 * Default container factory found via service loader.
 */
-public class DContainerFactory implements SpiContainerFactory {
+public final class DContainerFactory implements SpiContainerFactory {

  @Override
  public SpiContainer create(ContainerConfig containerConfig) {
@@ -23,12 +23,10 @@ import java.util.concurrent.locks.ReentrantLock;
 /**
 * ToOne bean load context.
 */
-class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext {
+final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext {

  private final boolean cache;
-
  private List<LoadBuffer> bufferList;
-
  private LoadBuffer currentBuffer;

  DLoadBeanContext(DLoadContext parent, BeanDescriptor<?> desc, String path, OrmQueryProperties queryProps) {
@@ -31,17 +31,13 @@ import java.util.Map;
 /**
 * Default implementation of LoadContext.
 */
-public class DLoadContext implements LoadContext {
+public final class DLoadContext implements LoadContext {

  private final SpiEbeanServer ebeanServer;
-
  private final BeanDescriptor<?> rootDescriptor;
-
  private final Map<String, DLoadBeanContext> beanMap = new HashMap<>();
  private final Map<String, DLoadManyContext> manyMap = new HashMap<>();
-
  private final DLoadBeanContext rootBeanContext;
-
  private final boolean asDraft;
  private final Timestamp asOf;
  private final Boolean readOnly;
@@ -60,13 +56,9 @@ public class DLoadContext implements LoadContext {
  private final String planLabel;
  private final ProfileLocation profileLocation;
  private final ProfilingListener profilingListener;
-
  private final Map<String, ObjectGraphNode> nodePathMap = new HashMap<>();
-
  private PersistenceContext persistenceContext;
-
  private List<OrmQueryProperties> secQuery;
-
  private Object tenantId;

  /**
@@ -21,14 +21,11 @@ import java.util.concurrent.locks.ReentrantLock;
 /**
 * ToMany bean load context.
 */
-class DLoadManyContext extends DLoadBaseContext implements LoadManyContext {
-
-  protected final BeanPropertyAssocMany<?> property;
+final class DLoadManyContext extends DLoadBaseContext implements LoadManyContext {

+  private final BeanPropertyAssocMany<?> property;
  private final boolean docStoreMapped;
-
  private List<LoadBuffer> bufferList;
-
  private LoadBuffer currentBuffer;

  DLoadManyContext(DLoadContext parent, BeanPropertyAssocMany<?> property, String path, OrmQueryProperties queryProps) {
@@ -3,7 +3,7 @@ package io.ebeaninternal.server.logger;
 import io.ebeaninternal.api.SpiLogManager;
 import io.ebeaninternal.api.SpiLogger;

-public class DLogManager implements SpiLogManager {
+public final class DLogManager implements SpiLogManager {

  private final SpiLogger sql;
  private final SpiLogger summary;
@@ -7,7 +7,7 @@ import org.slf4j.LoggerFactory;
 /**
 * Default SpiLoggerFactory implementation.
 */
-public class DLoggerFactory implements SpiLoggerFactory {
+public final class DLoggerFactory implements SpiLoggerFactory {

  /**
   * Just use a standard slf4j Logger.
@@ -3,7 +3,7 @@ package io.ebeaninternal.server.logger;
 import io.ebeaninternal.api.SpiLogger;
 import org.slf4j.Logger;

-public class DSpiLogger implements SpiLogger {
+public final class DSpiLogger implements SpiLogger {

  private final Logger logger;

@@ -9,10 +9,9 @@ import java.util.concurrent.atomic.LongAdder;
 /**
 * Used to collect counter metrics.
 */
-class DCountMetric implements CountMetric {
+final class DCountMetric implements CountMetric {

  private final String name;
-
  private final LongAdder count = new LongAdder();

  DCountMetric(String name) {
@@ -10,7 +10,7 @@ import io.ebean.metric.TimedMetricMap;
 /**
 * Default metric factory implementation.
 */
-public class DMetricFactory implements MetricFactory {
+public final class DMetricFactory implements MetricFactory {

  @Override
  public TimedMetricMap createTimedMetricMap(String name) {
@@ -13,7 +13,6 @@ class DProfileLocation implements ProfileLocation {
  private String fullLocation;
  private String location;
  private String label;
-
  private final int lineNumber;
  private int traceCount;

@@ -8,7 +8,7 @@ import io.ebean.service.SpiProfileLocationFactory;
 /**
 * Default implementation of the profile location factory.
 */
-public class DProfileLocationFactory implements SpiProfileLocationFactory {
+public final class DProfileLocationFactory implements SpiProfileLocationFactory {

  @Override
  public ProfileLocation create() {
@@ -3,7 +3,7 @@ package io.ebeaninternal.server.profile;
 import io.ebean.ProfileLocation;
 import io.ebeaninternal.server.util.Md5;

-class DQueryPlanMeta {
+final class DQueryPlanMeta {

  private final Class<?> type;
  private final String label;
@@ -6,7 +6,7 @@ import io.ebean.metric.QueryPlanMetric;
 import io.ebean.metric.TimedMetric;
 import io.ebean.metric.TimedMetricStats;

-class DQueryPlanMetric implements QueryPlanMetric {
+final class DQueryPlanMetric implements QueryPlanMetric {

  private final DQueryPlanMeta meta;
  private final DTimedMetric metric;
@@ -5,13 +5,12 @@ import io.ebean.metric.TimedMetricStats;
 /**
 * Snapshot of the current statistics for a Counter or TimeCounter.
 */
-class DTimeMetricStats implements TimedMetricStats {
+final class DTimeMetricStats implements TimedMetricStats {

  private final boolean collected;
  private final long count;
  private final long total;
  private final long max;
-
  private String name;
  private String location;

@@ -12,16 +12,12 @@ import java.util.concurrent.atomic.LongAdder;
 * It is intended for high concurrent updates to the statistics and relatively infrequent reads.
 * </p>
 */
-class DTimedMetric implements TimedMetric {
+final class DTimedMetric implements TimedMetric {

  private final String name;
-
  private final LongAdder count = new LongAdder();
-
  private final LongAdder total = new LongAdder();
-
  private final LongAccumulator max = new LongAccumulator(Math::max, Long.MIN_VALUE);
-
  private boolean collected;

  DTimedMetric(String name) {
@@ -7,14 +7,11 @@ import io.ebean.metric.TimedMetricStats;
 /**
 * Default profile location that uses stack trace.
 */
-class DTimedProfileLocation extends DProfileLocation implements TimedProfileLocation {
+final class DTimedProfileLocation extends DProfileLocation implements TimedProfileLocation {

  private final String label;
-
  private final TimedMetric timedMetric;
-
  private final boolean overrideMetricName;
-
  private String fullName;

  DTimedProfileLocation(int lineNumber, String label, TimedMetric timedMetric) {
@@ -7,7 +7,7 @@ import java.util.List;
 /**
 * Global registry of the TimedProfileLocation instances created.
 */
-public class TimedProfileLocationRegistry {
+public final class TimedProfileLocationRegistry {

  private static final List<TimedProfileLocation> list = Collections.synchronizedList(new ArrayList<>());

@@ -37,7 +37,6 @@ public final class BeanPropertiesReader {
    try {
      Field field = clazz.getField("_ebean_props");
      return (String[]) field.get(null);
-
    } catch (Exception e) {
      throw new IllegalStateException("Error getting _ebean_props field on type " + clazz, e);
    }
@@ -9,23 +9,20 @@ public final class EnhanceBeanPropertyAccess implements BeanPropertyAccess {

  private static final int CACHE_SIZE = 30;

-  private final BeanPropertyGetter[] getters = initGetters(CACHE_SIZE);
-  private final BeanPropertySetter[] setters = initSetters(CACHE_SIZE);
+  private final BeanPropertyGetter[] getters = initGetters();
+  private final BeanPropertySetter[] setters = initSetters();

-  public EnhanceBeanPropertyAccess() {
-  }
-
-  private BeanPropertyGetter[] initGetters(int count) {
-    BeanPropertyGetter[] getters = new BeanPropertyGetter[count];
-    for (int i = 0; i < count; i++) {
+  private BeanPropertyGetter[] initGetters() {
+    BeanPropertyGetter[] getters = new BeanPropertyGetter[CACHE_SIZE];
+    for (int i = 0; i < CACHE_SIZE; i++) {
      getters[i] = new Getter(i);
    }
    return getters;
  }

-  private BeanPropertySetter[] initSetters(int count) {
-    BeanPropertySetter[] setters = new BeanPropertySetter[count];
-    for (int i = 0; i < count; i++) {
+  private BeanPropertySetter[] initSetters() {
+    BeanPropertySetter[] setters = new BeanPropertySetter[CACHE_SIZE];
+    for (int i = 0; i < CACHE_SIZE; i++) {
      setters[i] = new Setter(i);
    }
    return setters;
@@ -8,9 +8,7 @@ import java.sql.ResultSet;
 public final class DRawSql implements SpiRawSql {

  private final ResultSet resultSet;
-
  private final Sql sql;
-
  private final ColumnMapping columnMapping;

  /**
@@ -22,7 +20,7 @@ public final class DRawSql implements SpiRawSql {
    this.columnMapping = new ColumnMapping(propertyNames);
  }

-  protected DRawSql(ResultSet resultSet, Sql sql, ColumnMapping columnMapping) {
+  DRawSql(ResultSet resultSet, Sql sql, ColumnMapping columnMapping) {
    this.resultSet = resultSet;
    this.sql = sql;
    this.columnMapping = columnMapping;
@@ -5,12 +5,10 @@ import io.ebean.RawSqlBuilder;

 import java.sql.ResultSet;

-public class DRawSqlBuilder implements RawSqlBuilder {
+public final class DRawSqlBuilder implements RawSqlBuilder {

  private final ResultSet resultSet;
-
  private final SpiRawSql.Sql sql;
-
  private final SpiRawSql.ColumnMapping columnMapping;

  DRawSqlBuilder(SpiRawSql.Sql sql, SpiRawSql.ColumnMapping columnMapping) {
@@ -17,7 +17,6 @@ final class DRawSqlColumnsParser {
  private static final Pattern COLINFO_SPLIT = Pattern.compile("\\s(?=[^\\)]*(?:\\(|$))");

  private final String sqlSelect;
-
  private int indexPos;

  public static ColumnMapping parse(String sqlSelect) {
@@ -7,20 +7,15 @@ import io.ebeaninternal.server.rawsql.SpiRawSql.Sql;
 * Parses sql-select queries to try and determine the location where WHERE and
 * HAVING clauses can be added dynamically to the sql.
 */
-class DRawSqlParser {
+final class DRawSqlParser {

  private static final String $_AND_HAVING = "${andHaving}";
-
  private static final String $_HAVING = "${having}";
-
  private static final String $_AND_WHERE = "${andWhere}";
-
  private static final String $_WHERE = "${where}";

  private final SimpleTextParser textParser;
-
  private String sql;
-
  private int placeHolderWhere;
  private int placeHolderAndWhere;
  private int placeHolderHaving;
@@ -11,7 +11,7 @@ import java.sql.ResultSetMetaData;
 import java.sql.SQLException;
 import java.sql.Types;

-public class DRawSqlService implements SpiRawSqlService {
+final class DRawSqlService implements SpiRawSqlService {

  @Override
  public RawSql resultSet(ResultSet resultSet, String... propertyNames) {
@@ -20,10 +20,8 @@ public class DRawSqlService implements SpiRawSqlService {

  @Override
  public RawSqlBuilder parsed(String sql) {
-
    SpiRawSql.Sql sql2 = DRawSqlParser.parse(sql);
    String select = sql2.getPreFrom();
-
    SpiRawSql.ColumnMapping mapping = DRawSqlColumnsParser.parse(select);
    return new DRawSqlBuilder(sql2, mapping);
  }
@@ -36,7 +34,6 @@ public class DRawSqlService implements SpiRawSqlService {

  @Override
  public SqlRow sqlRow(ResultSet resultSet, String dbTrueValue, boolean binaryOptimizedUUID) throws SQLException {
-
    ResultSetMetaData meta = resultSet.getMetaData();
    int estCap = (int) (meta.getColumnCount() / 0.7f) + 1;
    DefaultSqlRow ret = new DefaultSqlRow(estCap, 0.75f, dbTrueValue, binaryOptimizedUUID);
@@ -77,7 +74,6 @@ public class DRawSqlService implements SpiRawSqlService {
   * Combine schema table and column names allowing for null schema and table.
   */
  String combine(String schemaName, String tableName, String name) {
-
    StringBuilder sb = new StringBuilder();
    if (schemaName != null) {
      sb.append(schemaName).append(".");
@@ -15,10 +15,9 @@ import java.io.IOException;
 * This is used such that a load context and persistence context can be used to span multiple marshalling requests.
 * </p>
 */
-public class DJsonBeanReader<T> implements JsonBeanReader<T> {
+public final class DJsonBeanReader<T> implements JsonBeanReader<T> {

  private final BeanDescriptor<T> desc;
-
  private final SpiJsonReader readJson;

  public DJsonBeanReader(BeanDescriptor<T> desc, SpiJsonReader readJson) {
@@ -43,18 +43,14 @@ import java.util.Set;
 /**
 * Default implementation of JsonContext.
 */
-public class DJsonContext implements SpiJsonContext {
+public final class DJsonContext implements SpiJsonContext {

  private static final PrettyPrinter PRETTY_PRINTER = new Pretty();

  private final SpiEbeanServer server;
-
  private final JsonFactory jsonFactory;
-
  private final Object defaultObjectMapper;
-
  private final JsonConfig.Include defaultInclude;
-
  private final DJsonScalar jsonScalar;

  private static class Pretty extends DefaultPrettyPrinter {
@@ -10,7 +10,7 @@ import java.util.List;
 /**
 * Default implementation of JsonScalar.
 */
-public class DJsonScalar {
+public final class DJsonScalar {

  private final TypeManager typeManager;

@@ -20,7 +20,6 @@ public class DJsonScalar {

  @SuppressWarnings({ "unchecked", "rawtypes" })
  public void write(JsonGenerator gen, Object value) throws IOException {
-
    if (value instanceof String) {
      gen.writeString((String) value);

@@ -2,10 +2,9 @@ package io.ebeaninternal.server.text.json;

 import io.ebeaninternal.server.util.ArrayStack;

-public class PathStack extends ArrayStack<String> {
+public final class PathStack extends ArrayStack<String> {

  public String peekFullPath(String key) {
-
    String prefix = peekWithNull();
    if (prefix != null) {
      return prefix + "." + key;
@@ -15,7 +14,6 @@ public class PathStack extends ArrayStack<String> {
  }

  public void pushPathKey(String key) {
-
    String prefix = peekWithNull();
    if (prefix != null) {
      key = prefix + "." + key;
@@ -20,42 +20,28 @@ import java.util.Map;
 /**
 * Context for JSON read processing.
 */
-public class ReadJson implements SpiJsonReader {
+public final class ReadJson implements SpiJsonReader {

  private final BeanDescriptor<?> rootDesc;
-
-  /**
-   * Jackson parser.
-   */
  private final JsonParser parser;
-
-  /**
-   * Stack of the path - used to find the appropriate JsonReadBeanVisitor.
-   */
  private final PathStack pathStack;
-
  /**
   * Map of the JsonReadBeanVisitor keyed by path.
   */
  private final Map<String, JsonReadBeanVisitor<?>> visitorMap;
-
  private final Object objectMapper;
-
  private final PersistenceContext persistenceContext;
-
  private final LoadContext loadContext;

  /**
   * Construct with parser and readOptions.
   */
  public ReadJson(BeanDescriptor<?> desc, JsonParser parser, JsonReadOptions readOptions, Object objectMapper) {
-
    this.rootDesc = desc;
    this.parser = parser;
    this.objectMapper = objectMapper;
    this.persistenceContext = initPersistenceContext(readOptions);
    this.loadContext = initLoadContext(desc, readOptions);
-
    // only create visitorMap, pathStack if needed ...
    this.visitorMap = (readOptions == null) ? null : readOptions.getVisitorMap();
    this.pathStack = (visitorMap == null && loadContext == null) ? null : new PathStack();
@@ -119,7 +105,6 @@ public class ReadJson implements SpiJsonReader {
   */
  @Override
  public <T> void persistenceContextPut(Object beanId, T currentBean) {
-
    persistenceContextPutIfAbsent(beanId, (EntityBean) currentBean, rootDesc);
  }

@@ -129,16 +114,13 @@ public class ReadJson implements SpiJsonReader {
   */
  @Override
  public Object persistenceContextPutIfAbsent(Object id, EntityBean bean, BeanDescriptor<?> beanDesc) {
-
    if (persistenceContext == null) {
      // no persistenceContext means no lazy loading either
      return null;
    }
-
    Object existing = beanDesc.contextPutIfAbsent(persistenceContext, id, bean);
    if (existing != null) {
      beanDesc.merge(bean, (EntityBean) existing);
-
    } else {
      if (loadContext != null) {
        EntityBeanIntercept ebi = bean._ebean_getIntercept();
@@ -21,22 +21,15 @@ import java.util.Collection;
 import java.util.Map;
 import java.util.Set;

-public class WriteJson implements SpiJsonWriter {
+public final class WriteJson implements SpiJsonWriter {

  private final SpiEbeanServer server;
-
  private final JsonGenerator generator;
-
  private final FetchPath fetchPath;
-
  private final Map<String, JsonWriteBeanVisitor<?>> visitors;
-
  private final PathStack pathStack;
-
  private final ArrayStack<Object> parentBeans;
-
  private final Object objectMapper;
-
  private final JsonConfig.Include include;

  /**
@@ -6,10 +6,8 @@ import java.util.List;

 /**
 * Stack based on ArrayList.
- *
- * @author rbygrave
 */
-public class ArrayStack<E> {
+public final class ArrayStack<E> {

  private final List<E> list;

@@ -15,19 +15,16 @@ import java.util.Collection;
 * This is a thread safe implementation.
 * </p>
 */
-public class BindParamsParser {
+public final class BindParamsParser {

  private static final String ENCRYPTKEY_PREFIX = "encryptkey_";
  private static final String ENCRYPTKEY_GAP = "___";
-
  private static final int ENCRYPTKEY_PREFIX_LEN = ENCRYPTKEY_PREFIX.length();
  private static final int ENCRYPTKEY_GAP_LEN = ENCRYPTKEY_GAP.length();
-
  /**
   * Used to parse sql looking for named parameters.
   */
  private static final String quote = "'";
-
  /**
   * Used to parse sql looking for named parameters.
   */
@@ -35,7 +32,6 @@ public class BindParamsParser {

  private final BindParams params;
  private final String sql;
-
  private final BeanDescriptor<?> beanDescriptor;

  public static String parse(BindParams params, String sql) {
@@ -9,9 +9,7 @@ import java.util.Set;
 public final class DSelectColumnsParser {

  private final int end;
-
  private final String selectClause;
-
  private int pos;

  public static Set<String> parse(String sqlSelect) {
@@ -5,7 +5,7 @@ package io.ebeaninternal.server.util;
 * <p>
 * Predicts a decent buffer size to append the strings into.
 */
-public class Str {
+public final class Str {

  /**
   * Append strings together.
@@ -6,13 +6,13 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;

-public class ParamTypeHelper {
+public final class ParamTypeHelper {

  public enum ManyType {
    LIST, SET, MAP, NONE
  }

-  public static class TypeInfo {
+  public static final class TypeInfo {

    private final ManyType manyType;
    private final Class<?> beanType;
@@ -46,11 +46,9 @@ public class ParamTypeHelper {
  }

  public static TypeInfo getTypeInfo(Type genericType) {
-
    if (genericType instanceof ParameterizedType) {
      return getParamTypeInfo((ParameterizedType) genericType);
    }
-
    Class<?> entityType = getBeanType(genericType);
    if (entityType != null) {
      return new TypeInfo(ManyType.NONE, entityType);
@@ -62,16 +60,12 @@ public class ParamTypeHelper {
   * For Lists Sets and Maps of beans.
   */
  private static TypeInfo getParamTypeInfo(ParameterizedType paramType) {
-
    Type rawType = paramType.getRawType();
-
    ManyType manyType = getManyType(rawType);
    if (ManyType.NONE == manyType) {
      return null;
    }
-
    Type[] typeArguments = paramType.getActualTypeArguments();
-
    if (typeArguments.length == 1) {
      Type argType = typeArguments[0];
      Class<?> beanType = getBeanType(argType);
@@ -79,7 +73,6 @@ public class ParamTypeHelper {
        return new TypeInfo(manyType, beanType);
      }
    }
-
    return null;
  }

@@ -10,23 +10,19 @@ import java.util.List;
 * Primarily used to support sorting of Lists.
 * </p>
 */
-public class SortByClause {
+public final class SortByClause {

  static final String NULLSHIGH = "nullshigh";
-
  static final String NULLSLOW = "nullslow";
-
  /**
   * The ascending keyword.
   */
  static final String ASC = "asc";
-
  /**
   * The descending keyword.
   */
  static final String DESC = "desc";

-
  private final List<Property> properties = new ArrayList<>();

  /**
@@ -8,13 +8,12 @@ import java.net.URLConnection;
 /**
 * Helper to open URL content without file descriptor caching (by underlying JDK JarURLConnection).
 */
-public class UrlHelper {
+public final class UrlHelper {

  /**
   * Open the URL content without using caching returning the resulting InputStream.
   */
  public static InputStream openNoCache(URL url) throws IOException {
-
    URLConnection urlConnection = url.openConnection();
    urlConnection.setUseCaches(false);
    return urlConnection.getInputStream();
@@ -3,7 +3,7 @@ package io.ebeaninternal.util;
 import java.math.BigDecimal;
 import java.net.URL;

-public class ValueUtil {
+public final class ValueUtil {

  /**
   * Helper method to check if two objects are equal.