#2345 - Rename Database.getExpressionFactory() to expressionFactory with deprecation

ebean-core/src/main/java/io/ebeaninternal/server/core/DefaultServer.java

@@ -345,7 +345,7 @@ public final class DefaultServer implements SpiServer, SpiEbeanServer {
   }
 
   @Override
-  public ExpressionFactory getExpressionFactory() {
+  public ExpressionFactory expressionFactory() {
     return expressionFactory;
   }
 

ebean-core/src/main/java/io/ebeaninternal/server/deploy/BeanDescriptor.java

@@ -1793,7 +1793,7 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
    * We actually need to do a query because we don't know the type without the discriminator value.
    */
   private T findReferenceBean(Object id, PersistenceContext pc) {
-    DefaultOrmQuery<T> query = new DefaultOrmQuery<>(this, ebeanServer, ebeanServer.getExpressionFactory());
+    DefaultOrmQuery<T> query = new DefaultOrmQuery<>(this, ebeanServer, ebeanServer.expressionFactory());
     query.setPersistenceContext(pc);
     return query.setId(id).findOne();
   }

ebean-core/src/main/java/io/ebeaninternal/server/deploy/BeanPropertyAssoc.java

@@ -229,7 +229,7 @@ public abstract class BeanPropertyAssoc<T> extends BeanProperty implements STree
    * We use target descriptor rather than target property type to support ElementCollection.
    */
   public SpiQuery<T> newQuery(SpiEbeanServer server) {
-    return new DefaultOrmQuery<>(targetDescriptor, server, server.getExpressionFactory());
+    return new DefaultOrmQuery<>(targetDescriptor, server, server.expressionFactory());
   }
 
   @Override

ebean-core/src/test/java/io/ebeaninternal/api/TDSpiEbeanServer.java

@@ -353,7 +353,7 @@ public class TDSpiEbeanServer implements SpiEbeanServer {
   }
 
   @Override
-  public ExpressionFactory getExpressionFactory() {
+  public ExpressionFactory expressionFactory() {
     return null;
   }
 

ebean-core/src/test/java/org/tests/query/other/TestSubQueryBinding.java

@@ -17,7 +17,7 @@ public class TestSubQueryBinding extends BaseTestCase {
 
     Query<Customer> someCustomerIds = server.find(Customer.class).select("id").where().lt("id", 5).query();
 
-    Expression someCustIdsExpression = server.getExpressionFactory().in("id", someCustomerIds);
+    Expression someCustIdsExpression = server.expressionFactory().in("id", someCustomerIds);
 
     Query<Customer> query = server.find(Customer.class).where().like("name", "Rob%").not(someCustIdsExpression).query();