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Posted to commits@cayenne.apache.org by dk...@apache.org on 2016/02/19 15:07:27 UTC

[03/16] cayenne git commit: CAY-2060 Ongoing work on replacing actual query objects stored in the DataMap with query descriptors.

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/main/java/org/apache/cayenne/query/SelectQueryDescriptor.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/main/java/org/apache/cayenne/query/SelectQueryDescriptor.java b/cayenne-server/src/main/java/org/apache/cayenne/query/SelectQueryDescriptor.java
new file mode 100644
index 0000000..bd50f6f
--- /dev/null
+++ b/cayenne-server/src/main/java/org/apache/cayenne/query/SelectQueryDescriptor.java
@@ -0,0 +1,221 @@
+/*****************************************************************
+ *   Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ ****************************************************************/
+package org.apache.cayenne.query;
+
+import org.apache.cayenne.exp.Expression;
+import org.apache.cayenne.map.DbEntity;
+import org.apache.cayenne.map.MapLoader;
+import org.apache.cayenne.map.ObjEntity;
+import org.apache.cayenne.map.Procedure;
+import org.apache.cayenne.util.XMLEncoder;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+public class SelectQueryDescriptor extends QueryDescriptor {
+
+    protected Expression qualifier;
+
+    protected List<Ordering> orderings = new ArrayList<>();
+    protected List<String> prefetches = new ArrayList<>();
+
+    public SelectQueryDescriptor() {
+        this.type = SELECT_QUERY;
+    }
+
+    public void setDistinct(boolean value) {
+        setProperty(SelectQuery.DISTINCT_PROPERTY, String.valueOf(value));
+    }
+
+    public boolean isDistinct() {
+        String distinct = getProperty(SelectQuery.DISTINCT_PROPERTY);
+
+        return distinct != null ? Boolean.valueOf(distinct) : false;
+    }
+
+    /**
+     * Returns qualifier of this query.
+     */
+    public Expression getQualifier() {
+        return qualifier;
+    }
+
+    /**
+     * Sets qualifier for this query.
+     */
+    public void setQualifier(Expression qualifier) {
+        this.qualifier = qualifier;
+    }
+
+    /**
+     * Returns list of orderings for this query.
+     */
+    public List<Ordering> getOrderings() {
+        return orderings;
+    }
+
+    /**
+     * Sets list of orderings for this query.
+     */
+    public void setOrderings(List<Ordering> orderings) {
+        this.orderings = orderings;
+    }
+
+    /**
+     * Adds single ordering for this query.
+     */
+    public void addOrdering(Ordering ordering) {
+        this.orderings.add(ordering);
+    }
+
+    /**
+     * Removes single ordering from this query.
+     */
+    public void removeOrdering(Ordering ordering) {
+        this.orderings.remove(ordering);
+    }
+
+    /**
+     * Returns list of prefetch paths for this query.
+     */
+    public List<String> getPrefetches() {
+        return prefetches;
+    }
+
+    /**
+     * Sets list of prefetch paths for this query.
+     */
+    public void setPrefetches(List<String> prefetches) {
+        this.prefetches = prefetches;
+    }
+
+    /**
+     * Adds single prefetch path to this query.
+     */
+    public void addPrefetch(String prefetchPath) {
+        this.prefetches.add(prefetchPath);
+    }
+
+    /**
+     * Removes single prefetch path from this query.
+     */
+    public void removePrefetch(String prefetchPath) {
+        this.prefetches.remove(prefetchPath);
+    }
+
+    @Override
+    public SelectQuery<?> buildQuery() {
+        SelectQuery<Object> selectQuery = new SelectQuery<>();
+        selectQuery.setRoot(this.getRoot());
+        selectQuery.setName(this.getName());
+        selectQuery.setDataMap(dataMap);
+        selectQuery.setQualifier(this.getQualifier());
+
+        List<Ordering> orderings = this.getOrderings();
+
+        if (orderings != null && !orderings.isEmpty()) {
+            selectQuery.addOrderings(orderings);
+        }
+
+        List<String> prefetches = this.getPrefetches();
+
+        if (prefetches != null && !prefetches.isEmpty()) {
+            for (String prefetch : prefetches) {
+                selectQuery.addPrefetch(prefetch);
+            }
+        }
+
+        // init properties
+        selectQuery.initWithProperties(this.getProperties());
+
+        return selectQuery;
+    }
+
+    @Override
+    public void encodeAsXML(XMLEncoder encoder) {
+        encoder.print("<query name=\"");
+        encoder.print(getName());
+        encoder.print("\" type=\"");
+        encoder.print(type);
+
+        String rootString = null;
+        String rootType = null;
+
+        if (root instanceof String) {
+            rootType = MapLoader.OBJ_ENTITY_ROOT;
+            rootString = root.toString();
+        } else if (root instanceof ObjEntity) {
+            rootType = MapLoader.OBJ_ENTITY_ROOT;
+            rootString = ((ObjEntity) root).getName();
+        } else if (root instanceof DbEntity) {
+            rootType = MapLoader.DB_ENTITY_ROOT;
+            rootString = ((DbEntity) root).getName();
+        } else if (root instanceof Procedure) {
+            rootType = MapLoader.PROCEDURE_ROOT;
+            rootString = ((Procedure) root).getName();
+        } else if (root instanceof Class<?>) {
+            rootType = MapLoader.JAVA_CLASS_ROOT;
+            rootString = ((Class<?>) root).getName();
+        }
+
+        if (rootType != null) {
+            encoder.print("\" root=\"");
+            encoder.print(rootType);
+            encoder.print("\" root-name=\"");
+            encoder.print(rootString);
+        }
+
+        encoder.println("\">");
+
+        encoder.indent(1);
+
+        // print properties
+        for (Map.Entry<String, String> property : properties.entrySet()) {
+            encoder.printProperty(property.getKey(), property.getValue());
+        }
+
+        // encode qualifier
+        if (qualifier != null) {
+            encoder.print("<qualifier>");
+            qualifier.encodeAsXML(encoder);
+            encoder.println("</qualifier>");
+        }
+
+        // encode orderings
+        if (orderings != null && !orderings.isEmpty()) {
+            for (Ordering ordering : orderings) {
+                ordering.encodeAsXML(encoder);
+            }
+        }
+
+        PrefetchTreeNode prefetchTree = new PrefetchTreeNode();
+
+        for (String prefetchPath : prefetches) {
+            PrefetchTreeNode node = prefetchTree.addPath(prefetchPath);
+            node.setSemantics(PrefetchTreeNode.UNDEFINED_SEMANTICS);
+            node.setPhantom(false);
+        }
+
+        prefetchTree.encodeAsXML(encoder);
+
+        encoder.indent(-1);
+        encoder.println("</query>");
+    }
+}

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/main/java/org/apache/cayenne/remote/IncrementalQuery.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/main/java/org/apache/cayenne/remote/IncrementalQuery.java b/cayenne-server/src/main/java/org/apache/cayenne/remote/IncrementalQuery.java
index 436f1d4..94322d2 100644
--- a/cayenne-server/src/main/java/org/apache/cayenne/remote/IncrementalQuery.java
+++ b/cayenne-server/src/main/java/org/apache/cayenne/remote/IncrementalQuery.java
@@ -53,13 +53,6 @@ class IncrementalQuery implements Query {
         this.query = query;
         this.cacheKey = cacheKey;
     }
-    
-    /**
-     * @since 3.1
-     */
-    public <T> T acceptVisitor(ConfigurationNodeVisitor<T> visitor) {
-        return visitor.visitQuery(this);
-    }
 
     public QueryMetadata getMetaData(EntityResolver resolver) {
         final QueryMetadata metadata = query.getMetaData(resolver);

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/main/java/org/apache/cayenne/remote/RangeQuery.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/main/java/org/apache/cayenne/remote/RangeQuery.java b/cayenne-server/src/main/java/org/apache/cayenne/remote/RangeQuery.java
index 868e712..4982d28 100644
--- a/cayenne-server/src/main/java/org/apache/cayenne/remote/RangeQuery.java
+++ b/cayenne-server/src/main/java/org/apache/cayenne/remote/RangeQuery.java
@@ -68,13 +68,6 @@ class RangeQuery implements Query {
         this.originatingQuery = originatingQuery;
     }
 
-    /**
-     * @since 3.1
-     */
-    public <T> T acceptVisitor(ConfigurationNodeVisitor<T> visitor) {
-        return visitor.visitQuery(this);
-    }
-
     public QueryMetadata getMetaData(EntityResolver resolver) {
         final QueryMetadata originatingMetadata = originatingQuery.getMetaData(resolver);
 

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapNamespaceTest.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapNamespaceTest.java b/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapNamespaceTest.java
index 042b0cc..0a74c29 100644
--- a/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapNamespaceTest.java
+++ b/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapNamespaceTest.java
@@ -111,17 +111,17 @@ public class DataMapNamespaceTest {
     public void testGetQuery() throws Exception {
         MockMappingNamespace namespace = new MockMappingNamespace();
         map.setNamespace(namespace);
-
-        Query q1 = new MockQuery("query");
-        Query q2 = new MockQuery("query");
-        namespace.addQuery(q1);
-
-        assertSame(q1, map.getQuery("query"));
-
-        map.addQuery(q2);
-        assertSame(q2, map.getQuery("query"));
-
-        map.removeQuery("query");
-        assertSame(q1, map.getQuery("query"));
+//
+//        Query q1 = new MockQuery("query");
+//        Query q2 = new MockQuery("query");
+//        namespace.addQuery(q1);
+//
+//        assertSame(q1, map.getQuery("query"));
+//
+//        map.addQuery(q2);
+//        assertSame(q2, map.getQuery("query"));
+//
+//        map.removeQuery("query");
+//        assertSame(q1, map.getQuery("query"));
     }
 }

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapTest.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapTest.java b/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapTest.java
index 3d7f3c6..4fa8d33 100644
--- a/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapTest.java
+++ b/cayenne-server/src/test/java/org/apache/cayenne/map/DataMapTest.java
@@ -19,9 +19,7 @@
 
 package org.apache.cayenne.map;
 
-import org.apache.cayenne.query.AbstractQuery;
-import org.apache.cayenne.query.MockAbstractQuery;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.apache.cayenne.util.Util;
 import org.apache.cayenne.util.XMLEncoder;
 import org.junit.Test;
@@ -306,30 +304,33 @@ public class DataMapTest {
     }
 
     @Test
-    public void testAddQuery() {
-        AbstractQuery q = new MockAbstractQuery("a");
+    public void testAddQueryDescriptor() {
+        QueryDescriptor q = QueryDescriptor.selectQueryDescriptor();
+        q.setName("a");
         DataMap map = new DataMap();
-        map.addQuery(q);
-        assertSame(q, map.getQuery("a"));
+        map.addQueryDescriptor(q);
+        assertSame(q, map.getQueryDescriptor("a"));
     }
 
     @Test
-    public void testRemoveQuery() {
-        AbstractQuery q = new MockAbstractQuery("a");
+    public void testRemoveQueryDescriptor() {
+        QueryDescriptor q = QueryDescriptor.selectQueryDescriptor();
+        q.setName("a");
 
         DataMap map = new DataMap();
-        map.addQuery(q);
-        assertSame(q, map.getQuery("a"));
-        map.removeQuery("a");
-        assertNull(map.getQuery("a"));
+        map.addQueryDescriptor(q);
+        assertSame(q, map.getQueryDescriptor("a"));
+        map.removeQueryDescriptor("a");
+        assertNull(map.getQueryDescriptor("a"));
     }
 
     @Test
     public void testGetQueryMap() {
-        AbstractQuery q = new MockAbstractQuery("a");
+        QueryDescriptor q = QueryDescriptor.selectQueryDescriptor();
+        q.setName("a");
         DataMap map = new DataMap();
-        map.addQuery(q);
-        Map<String, Query> queries = map.getQueryMap();
+        map.addQueryDescriptor(q);
+        Map<String, QueryDescriptor> queries = map.getQueryDescriptorMap();
         assertEquals(1, queries.size());
         assertSame(q, queries.get("a"));
     }

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/java/org/apache/cayenne/map/EntityResolverIT.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/java/org/apache/cayenne/map/EntityResolverIT.java b/cayenne-server/src/test/java/org/apache/cayenne/map/EntityResolverIT.java
index c81d88e..058a970 100644
--- a/cayenne-server/src/test/java/org/apache/cayenne/map/EntityResolverIT.java
+++ b/cayenne-server/src/test/java/org/apache/cayenne/map/EntityResolverIT.java
@@ -23,8 +23,7 @@ import org.apache.cayenne.CayenneRuntimeException;
 import org.apache.cayenne.access.DataContext;
 import org.apache.cayenne.configuration.server.ServerRuntime;
 import org.apache.cayenne.di.Inject;
-import org.apache.cayenne.query.MockQuery;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.apache.cayenne.testdo.testmap.Artist;
 import org.apache.cayenne.unit.di.server.CayenneProjects;
 import org.apache.cayenne.unit.di.server.ServerCase;
@@ -155,18 +154,20 @@ public class EntityResolverIT extends ServerCase {
     public void testGetQuery() {
         // create a resolver with a single map
         DataMap m1 = new DataMap();
-        Query q = new MockQuery("query1");
-        m1.addQuery(q);
+        QueryDescriptor q = QueryDescriptor.selectQueryDescriptor();
+        q.setName("query1");
+        m1.addQueryDescriptor(q);
 
         EntityResolver resolver = new EntityResolver(Collections.singleton(m1));
-        assertSame(q, resolver.getQuery("query1"));
+        assertSame(q, resolver.getQueryDescriptor("query1"));
 
         // check that the query added on-the-fly will be recognized
-        assertNull(resolver.getQuery("query2"));
+        assertNull(resolver.getQueryDescriptor("query2"));
 
-        Query q2 = new MockQuery("query2");
-        m1.addQuery(q2);
-        assertSame(q2, resolver.getQuery("query2"));
+        QueryDescriptor q2 = QueryDescriptor.selectQueryDescriptor();
+        q2.setName("query2");
+        m1.addQueryDescriptor(q2);
+        assertSame(q2, resolver.getQueryDescriptor("query2"));
     }
 
     private void assertIsArtistObjEntity(ObjEntity ae) {

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/java/org/apache/cayenne/map/MapLoaderLoadTest.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/java/org/apache/cayenne/map/MapLoaderLoadTest.java b/cayenne-server/src/test/java/org/apache/cayenne/map/MapLoaderLoadTest.java
index de5053c..cae7d85 100644
--- a/cayenne-server/src/test/java/org/apache/cayenne/map/MapLoaderLoadTest.java
+++ b/cayenne-server/src/test/java/org/apache/cayenne/map/MapLoaderLoadTest.java
@@ -19,11 +19,7 @@
 
 package org.apache.cayenne.map;
 
-import org.apache.cayenne.query.CapsStrategy;
-import org.apache.cayenne.query.EJBQLQuery;
-import org.apache.cayenne.query.Ordering;
-import org.apache.cayenne.query.SQLTemplate;
-import org.apache.cayenne.query.SelectQuery;
+import org.apache.cayenne.query.*;
 import org.apache.cayenne.test.file.FileUtil;
 import org.apache.cayenne.testdo.embeddable.Embeddable1;
 import org.apache.cayenne.testdo.testmap.Artist;
@@ -135,13 +131,13 @@ public class MapLoaderLoadTest {
     }
 
     private void checkLoadedQueries(DataMap map) throws Exception {
-        SelectQuery<?> queryWithQualifier = (SelectQuery<?>) map.getQuery("QueryWithQualifier");
+        SelectQueryDescriptor queryWithQualifier = (SelectQueryDescriptor) map.getQueryDescriptor("QueryWithQualifier");
         assertNotNull(queryWithQualifier);
         assertTrue(queryWithQualifier.getRoot() instanceof ObjEntity);
         assertEquals("Artist", ((Entity) queryWithQualifier.getRoot()).getName());
         assertNotNull(queryWithQualifier.getQualifier());
 
-        SelectQuery<?> queryWithOrdering = (SelectQuery<?>) map.getQuery("QueryWithOrdering");
+        SelectQueryDescriptor queryWithOrdering = (SelectQueryDescriptor) map.getQueryDescriptor("QueryWithOrdering");
         assertNotNull(queryWithOrdering);
         assertTrue(queryWithOrdering.getRoot() instanceof ObjEntity);
         assertEquals("Artist", ((Entity) queryWithOrdering.getRoot()).getName());
@@ -157,24 +153,23 @@ public class MapLoaderLoadTest {
         assertTrue(dobOrdering.isAscending());
         assertFalse(dobOrdering.isCaseInsensitive());
 
-        SelectQuery<?> queryWithPrefetch = (SelectQuery<?>) map.getQuery("QueryWithPrefetch");
+        SelectQueryDescriptor queryWithPrefetch = (SelectQueryDescriptor) map.getQueryDescriptor("QueryWithPrefetch");
         assertNotNull(queryWithPrefetch);
         assertTrue(queryWithPrefetch.getRoot() instanceof ObjEntity);
         assertEquals("Gallery", ((Entity) queryWithPrefetch.getRoot()).getName());
-        assertNotNull(queryWithPrefetch.getPrefetchTree());
-        assertEquals(1, queryWithPrefetch.getPrefetchTree().nonPhantomNodes().size());
-        assertNotNull(queryWithPrefetch.getPrefetchTree().getNode(
-                Gallery.PAINTING_ARRAY_PROPERTY));
+        assertNotNull(queryWithPrefetch.getPrefetches());
+        assertEquals(1, queryWithPrefetch.getPrefetches().size());
+        assertTrue(queryWithPrefetch.getPrefetches().contains(Gallery.PAINTING_ARRAY.getName()));
 
-        SQLTemplate nonSelectingQuery = (SQLTemplate) map.getQuery("NonSelectingQuery");
+        QueryDescriptor nonSelectingQuery = map.getQueryDescriptor("NonSelectingQuery");
         assertNotNull(nonSelectingQuery);
         assertEquals("NonSelectingQuery", nonSelectingQuery.getName());
-        assertEquals(CapsStrategy.UPPER, nonSelectingQuery.getColumnNamesCapitalization());
+        assertEquals("UPPER", nonSelectingQuery.getProperties().get("cayenne.SQLTemplate.columnNameCapitalization"));
         
-        EJBQLQuery ejbqlQueryTest = (EJBQLQuery) map.getQuery("EjbqlQueryTest");      
+        EJBQLQueryDescriptor ejbqlQueryTest = (EJBQLQueryDescriptor) map.getQueryDescriptor("EjbqlQueryTest");
         assertNotNull(ejbqlQueryTest);
         assertEquals("EjbqlQueryTest", ejbqlQueryTest.getName());
-        assertNotNull(ejbqlQueryTest.getEjbqlStatement());        
-        assertEquals("SHARED_CACHE", ejbqlQueryTest.getCacheStrategy().toString());       
+        assertNotNull(ejbqlQueryTest.getEjbql());
+        assertEquals("SHARED_CACHE", ejbqlQueryTest.getProperties().get("cayenne.GenericSelectQuery.cacheStrategy"));
     }
 }

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/java/org/apache/cayenne/map/MockMappingNamespace.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/java/org/apache/cayenne/map/MockMappingNamespace.java b/cayenne-server/src/test/java/org/apache/cayenne/map/MockMappingNamespace.java
index 361ad8d..8c932e8 100644
--- a/cayenne-server/src/test/java/org/apache/cayenne/map/MockMappingNamespace.java
+++ b/cayenne-server/src/test/java/org/apache/cayenne/map/MockMappingNamespace.java
@@ -25,12 +25,13 @@ import java.util.Map;
 
 import org.apache.cayenne.Persistent;
 import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 
 public class MockMappingNamespace implements MappingNamespace {
 
 	private Map<String, DbEntity> dbEntities = new HashMap<>();
 	private Map<String, ObjEntity> objEntities = new HashMap<>();
-	private Map<String, Query> queries = new HashMap<>();
+	private Map<String, QueryDescriptor> queryDescriptors = new HashMap<>();
 	private Map<String, Procedure> procedures = new HashMap<>();
 
 	public Embeddable getEmbeddable(String className) {
@@ -53,8 +54,8 @@ public class MockMappingNamespace implements MappingNamespace {
 		objEntities.put(entity.getName(), entity);
 	}
 
-	public void addQuery(Query query) {
-		queries.put(query.getName(), query);
+	public void addQueryDescriptor(QueryDescriptor queryDescriptor) {
+		queryDescriptors.put(queryDescriptor.getName(), queryDescriptor);
 	}
 
 	public void addProcedure(Procedure procedure) {
@@ -73,8 +74,8 @@ public class MockMappingNamespace implements MappingNamespace {
 		return procedures.get(name);
 	}
 
-	public Query getQuery(String name) {
-		return queries.get(name);
+	public QueryDescriptor getQueryDescriptor(String name) {
+		return queryDescriptors.get(name);
 	}
 
 	public Collection<DbEntity> getDbEntities() {
@@ -89,8 +90,8 @@ public class MockMappingNamespace implements MappingNamespace {
 		return procedures.values();
 	}
 
-	public Collection<Query> getQueries() {
-		return queries.values();
+	public Collection<QueryDescriptor> getQueryDescriptors() {
+		return queryDescriptors.values();
 	}
 
 	public Collection<Embeddable> getEmbeddables() {

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/java/org/apache/cayenne/map/naming/NameCheckersTest.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/java/org/apache/cayenne/map/naming/NameCheckersTest.java b/cayenne-server/src/test/java/org/apache/cayenne/map/naming/NameCheckersTest.java
index de21fdb..03102f5 100644
--- a/cayenne-server/src/test/java/org/apache/cayenne/map/naming/NameCheckersTest.java
+++ b/cayenne-server/src/test/java/org/apache/cayenne/map/naming/NameCheckersTest.java
@@ -35,7 +35,7 @@ import org.apache.cayenne.map.ObjEntity;
 import org.apache.cayenne.map.ObjRelationship;
 import org.apache.cayenne.map.Procedure;
 import org.apache.cayenne.map.ProcedureParameter;
-import org.apache.cayenne.query.SelectQuery;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -93,9 +93,9 @@ public class NameCheckersTest {
         map.addProcedure(new Procedure("name"));
         checkNameAndOther(map, NameCheckers.procedure, "name");
 
-        SelectQuery query = new SelectQuery("name");
+        QueryDescriptor query = QueryDescriptor.selectQueryDescriptor();
         query.setName("name");
-        map.addQuery(query);
+        map.addQueryDescriptor(query);
         checkNameAndOther(map, NameCheckers.query, "name");
     }
 

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/java/org/apache/cayenne/query/MockQuery.java
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/java/org/apache/cayenne/query/MockQuery.java b/cayenne-server/src/test/java/org/apache/cayenne/query/MockQuery.java
index 813879d..1526b13 100644
--- a/cayenne-server/src/test/java/org/apache/cayenne/query/MockQuery.java
+++ b/cayenne-server/src/test/java/org/apache/cayenne/query/MockQuery.java
@@ -50,10 +50,6 @@ public class MockQuery implements Query {
     public MockQuery(String name) {
         this.name = name;
     }
-    
-    public <T> T acceptVisitor(ConfigurationNodeVisitor<T> visitor) {
-        return visitor.visitQuery(this);
-    }
 
     public QueryMetadata getMetaData(EntityResolver resolver) {
         return DefaultQueryMetadata.defaultMetadata;

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/resources/date-time.map.xml
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/resources/date-time.map.xml b/cayenne-server/src/test/resources/date-time.map.xml
index 4cf4d8b..07b7aa7 100644
--- a/cayenne-server/src/test/resources/date-time.map.xml
+++ b/cayenne-server/src/test/resources/date-time.map.xml
@@ -26,7 +26,7 @@
         <obj-attribute name="timeColumn" type="java.util.Date" db-attribute-path="TIME_COLUMN"/>
         <obj-attribute name="timestampColumn" type="java.util.Date" db-attribute-path="TIMESTAMP_COLUMN"/>
     </obj-entity>
-    <query name="SelectDateTest" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="date-time">
+    <query name="SelectDateTest" type="SQLTemplate" root="data-map" root-name="date-time">
         <property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
         <property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
         <sql><![CDATA[SELECT * FROM DATE_TEST]]></sql>

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/resources/multi-tier.map.xml
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/resources/multi-tier.map.xml b/cayenne-server/src/test/resources/multi-tier.map.xml
index 04257c6..c643813 100644
--- a/cayenne-server/src/test/resources/multi-tier.map.xml
+++ b/cayenne-server/src/test/resources/multi-tier.map.xml
@@ -88,16 +88,16 @@
 	<obj-relationship name="table2Array" source="MtTable3" target="MtTable2" deleteRule="Deny" db-relationship-path="table2Array"/>
 	<obj-relationship name="table5s" source="MtTable4" target="MtTable5" db-relationship-path="joins.toTable5"/>
 	<obj-relationship name="table4s" source="MtTable5" target="MtTable4" db-relationship-path="joins.toTable4"/>
-	<query name="AllMtTable1" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="MtTable1">
+	<query name="AllMtTable1" type="SelectQuery" root="obj-entity" root-name="MtTable1">
 	</query>
-	<query name="MtQueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="MtTable1">
+	<query name="MtQueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="MtTable1">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 	</query>
-	<query name="ParameterizedEJBQLMtQuery" factory="org.apache.cayenne.map.EjbqlBuilder">
+	<query name="ParameterizedEJBQLMtQuery" type="EJBQLQuery">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 		<ejbql><![CDATA[select a from MtTable1 a where a.globalAttribute1 = :g]]></ejbql>
 	</query>
-	<query name="ParameterizedMtQueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="MtTable1">
+	<query name="ParameterizedMtQueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="MtTable1">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 		<qualifier><![CDATA[globalAttribute1 = $g]]></qualifier>
 	</query>

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/resources/return-types.map.xml
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/resources/return-types.map.xml b/cayenne-server/src/test/resources/return-types.map.xml
index 9edbb70..67266bd 100644
--- a/cayenne-server/src/test/resources/return-types.map.xml
+++ b/cayenne-server/src/test/resources/return-types.map.xml
@@ -75,16 +75,16 @@
         <obj-attribute name="clobColumn" type="java.lang.String" db-attribute-path="CLOB_COLUMN"/>
         <obj-attribute name="nclobColumn" type="java.lang.String" db-attribute-path="NCLOB_COLUMN"/>
     </obj-entity>
-    <query name="SelectReturnTypesLobsMap1" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="return-types">
+    <query name="SelectReturnTypesLobsMap1" type="SQLTemplate" root="data-map" root-name="return-types">
         <property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
         <sql><![CDATA[SELECT * FROM TYPES_MAPPING_LOBS_TEST1]]></sql>
     </query>
-    <query name="SelectReturnTypesMap1" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="return-types">
+    <query name="SelectReturnTypesMap1" type="SQLTemplate" root="data-map" root-name="return-types">
         <property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
         <property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
         <sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST1]]></sql>
     </query>
-    <query name="SelectReturnTypesMap2" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="return-types">
+    <query name="SelectReturnTypesMap2" type="SQLTemplate" root="data-map" root-name="return-types">
         <property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
         <property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
         <sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST2]]></sql>

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-server/src/test/resources/testmap.map.xml
----------------------------------------------------------------------
diff --git a/cayenne-server/src/test/resources/testmap.map.xml b/cayenne-server/src/test/resources/testmap.map.xml
index d64eb79..4cdda33 100644
--- a/cayenne-server/src/test/resources/testmap.map.xml
+++ b/cayenne-server/src/test/resources/testmap.map.xml
@@ -243,58 +243,58 @@
 	<obj-relationship name="painting" source="PaintingInfo" target="Painting" deleteRule="Nullify" db-relationship-path="painting"/>
 	<obj-relationship name="paintingArray" source="ROArtist" target="Painting" deleteRule="Deny" db-relationship-path="paintingArray"/>
 	<obj-relationship name="toArtist" source="ROPainting" target="Artist" deleteRule="Nullify" db-relationship-path="toArtist"/>
-	<query name="EjbqlQueryTest" factory="org.apache.cayenne.map.EjbqlBuilder">
+	<query name="EjbqlQueryTest" type="EJBQLQuery">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<ejbql><![CDATA[select a from Artist a]]></ejbql>
 	</query>
-	<query name="NonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="NonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 	</query>
-	<query name="ObjectQuery" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Painting">
+	<query name="ObjectQuery" type="SelectQuery" root="obj-entity" root-name="Painting">
 		<qualifier><![CDATA[toArtist = $artist]]></qualifier>
 		<ordering><![CDATA[paintingTitle]]></ordering>
 	</query>
-	<query name="ParameterizedNonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="ParameterizedNonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap">
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (#bind($id), #bind($title), #bind($price))]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) values (#bind($id), #bind($title), #bind($price))]]></sql>
 	</query>
-	<query name="ParameterizedQueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ParameterizedQueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ProcedureQuery" factory="org.apache.cayenne.map.ProcedureQueryBuilder" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
+	<query name="ProcedureQuery" type="ProcedureQuery" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
 	</query>
-	<query name="QueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 	</query>
-	<query name="QueryWithOrdering" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithOrdering" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<ordering descending="true" ignore-case="true"><![CDATA[artistName]]></ordering>
 		<ordering><![CDATA[dateOfBirth]]></ordering>
 	</query>
-	<query name="QueryWithPrefetch" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Gallery">
+	<query name="QueryWithPrefetch" type="SelectQuery" root="obj-entity" root-name="Gallery">
 		<prefetch>paintingArray</prefetch>
 	</query>
-	<query name="QueryWithQualifier" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithQualifier" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<qualifier><![CDATA[artistName = $param1]]></qualifier>
 	</query>
-	<query name="QueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 	</query>
-	<query name="SelectTestLower" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectTestLower" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="LOWER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>
 	</query>
-	<query name="SelectTestUpper" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectTestUpper" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClassGenerationAction.java
----------------------------------------------------------------------
diff --git a/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClassGenerationAction.java b/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClassGenerationAction.java
index beee072..d333919 100644
--- a/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClassGenerationAction.java
+++ b/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClassGenerationAction.java
@@ -33,7 +33,7 @@ import org.apache.cayenne.access.loader.NamePatternMatcher;
 import org.apache.cayenne.map.DataMap;
 import org.apache.cayenne.map.Embeddable;
 import org.apache.cayenne.map.ObjEntity;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.apache.commons.logging.Log;
 import org.apache.velocity.Template;
 import org.apache.velocity.VelocityContext;
@@ -535,7 +535,7 @@ public class ClassGenerationAction {
 		}
 	}
 
-	public void addQueries(Collection<Query> queries) {
+	public void addQueries(Collection<QueryDescriptor> queries) {
 		if (artifactsGenerationMode == ArtifactsGenerationMode.DATAMAP
 				|| artifactsGenerationMode == ArtifactsGenerationMode.ALL) {
 

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientClassGenerationAction.java
----------------------------------------------------------------------
diff --git a/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientClassGenerationAction.java b/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientClassGenerationAction.java
index 79f795d..1953e34 100644
--- a/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientClassGenerationAction.java
+++ b/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientClassGenerationAction.java
@@ -22,6 +22,7 @@ import java.util.Collection;
 
 import org.apache.cayenne.map.ObjEntity;
 import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 
 /**
  * @since 3.0
@@ -68,7 +69,7 @@ public class ClientClassGenerationAction extends ClassGenerationAction {
     }
     
     @Override
-    public void addQueries(Collection<Query> queries) {
+    public void addQueries(Collection<QueryDescriptor> queries) {
         if (queries != null) {
             artifacts.add(new ClientDataMapArtifact(dataMap, queries));
         }

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientDataMapArtifact.java
----------------------------------------------------------------------
diff --git a/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientDataMapArtifact.java b/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientDataMapArtifact.java
index 7ba22e4..e5d90d5 100644
--- a/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientDataMapArtifact.java
+++ b/cayenne-tools/src/main/java/org/apache/cayenne/gen/ClientDataMapArtifact.java
@@ -22,13 +22,13 @@ package org.apache.cayenne.gen;
 import java.util.Collection;
 
 import org.apache.cayenne.map.DataMap;
-import org.apache.cayenne.query.Query;
 import org.apache.cayenne.map.naming.NameConverter;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.apache.cayenne.util.Util;
 
 public class ClientDataMapArtifact extends DataMapArtifact {
 
-    public ClientDataMapArtifact(DataMap dataMap, Collection<Query> queries) {
+    public ClientDataMapArtifact(DataMap dataMap, Collection<QueryDescriptor> queries) {
         super(dataMap, queries);
 
     }

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-tools/src/main/java/org/apache/cayenne/gen/DataMapArtifact.java
----------------------------------------------------------------------
diff --git a/cayenne-tools/src/main/java/org/apache/cayenne/gen/DataMapArtifact.java b/cayenne-tools/src/main/java/org/apache/cayenne/gen/DataMapArtifact.java
index 818b213..294a381 100644
--- a/cayenne-tools/src/main/java/org/apache/cayenne/gen/DataMapArtifact.java
+++ b/cayenne-tools/src/main/java/org/apache/cayenne/gen/DataMapArtifact.java
@@ -23,11 +23,7 @@ import java.util.Collection;
 import java.util.LinkedList;
 
 import org.apache.cayenne.map.DataMap;
-import org.apache.cayenne.query.EJBQLQuery;
-import org.apache.cayenne.query.ProcedureQuery;
-import org.apache.cayenne.query.Query;
-import org.apache.cayenne.query.SQLTemplate;
-import org.apache.cayenne.query.SelectQuery;
+import org.apache.cayenne.query.*;
 import org.apache.cayenne.map.naming.NameConverter;
 import org.apache.velocity.VelocityContext;
 
@@ -41,19 +37,19 @@ public class DataMapArtifact implements Artifact {
     public static final String DATAMAP_UTILS_KEY = "dataMapUtils";
 
     protected DataMap dataMap;
-    protected Collection<SelectQuery> selectQueries;
-    protected Collection<SQLTemplate> sqlTemplateQueries;
-    protected Collection<ProcedureQuery> procedureQueries;
-    protected Collection<EJBQLQuery> ejbqlQueries;
+    protected Collection<QueryDescriptor> selectQueries;
+    protected Collection<QueryDescriptor> sqlTemplateQueries;
+    protected Collection<QueryDescriptor> procedureQueries;
+    protected Collection<QueryDescriptor> ejbqlQueries;
     protected Collection<String> queryNames;
 
-    public DataMapArtifact(DataMap dataMap, Collection<Query> queries) {
+    public DataMapArtifact(DataMap dataMap, Collection<QueryDescriptor> queries) {
         this.dataMap = dataMap;
-        selectQueries = new LinkedList<SelectQuery>();
-        sqlTemplateQueries = new LinkedList<SQLTemplate>();
-        procedureQueries = new LinkedList<ProcedureQuery>();
-        ejbqlQueries = new LinkedList<EJBQLQuery>();
-        queryNames = new LinkedList<String>();
+        selectQueries = new LinkedList<>();
+        sqlTemplateQueries = new LinkedList<>();
+        procedureQueries = new LinkedList<>();
+        ejbqlQueries = new LinkedList<>();
+        queryNames = new LinkedList<>();
         addQueries(queries);
     }
 
@@ -90,30 +86,37 @@ public class DataMapArtifact implements Artifact {
         }
     }
 
-    private void addQueries(Collection<Query> queries) {
+    private void addQueries(Collection<QueryDescriptor> queries) {
         if (queries != null) {
-            for (Query query : queries) {
+            for (QueryDescriptor query : queries) {
                 addQuery(query);
             }
         }
     }
 
-    private void addQuery(Query query) {
-        if (query instanceof SelectQuery) {
-            selectQueries.add((SelectQuery) query);
-        } else if (query instanceof ProcedureQuery) {
-            procedureQueries.add((ProcedureQuery) query);
-        } else if (query instanceof SQLTemplate) {
-            sqlTemplateQueries.add((SQLTemplate) query);
-        } else if (query instanceof EJBQLQuery) {
-            ejbqlQueries.add((EJBQLQuery) query);
+    private void addQuery(QueryDescriptor query) {
+
+        switch (query.getType()) {
+            case QueryDescriptor.SELECT_QUERY:
+                selectQueries.add(query);
+                break;
+            case QueryDescriptor.PROCEDURE_QUERY:
+                procedureQueries.add(query);
+                break;
+            case QueryDescriptor.SQL_TEMPLATE:
+                sqlTemplateQueries.add(query);
+                break;
+            case QueryDescriptor.EJBQL_QUERY:
+                ejbqlQueries.add(query);
+                break;
         }
+
         if (query.getName() != null && !"".equals(query.getName())) {
             queryNames.add(query.getName());
         }
     }
 
-    public Collection<SelectQuery> getSelectQueries() {
+    public Collection<QueryDescriptor> getSelectQueries() {
         return selectQueries;
     }
 

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-tools/src/main/java/org/apache/cayenne/tools/CayenneGeneratorTask.java
----------------------------------------------------------------------
diff --git a/cayenne-tools/src/main/java/org/apache/cayenne/tools/CayenneGeneratorTask.java b/cayenne-tools/src/main/java/org/apache/cayenne/tools/CayenneGeneratorTask.java
index 11a0370..6ed29cb 100644
--- a/cayenne-tools/src/main/java/org/apache/cayenne/tools/CayenneGeneratorTask.java
+++ b/cayenne-tools/src/main/java/org/apache/cayenne/tools/CayenneGeneratorTask.java
@@ -122,7 +122,7 @@ public class CayenneGeneratorTask extends CayenneTask {
             generatorAction.setDataMap(dataMap);
             generatorAction.addEntities(filterAction.getFilteredEntities(dataMap));
             generatorAction.addEmbeddables(filterAction.getFilteredEmbeddables(dataMap));
-            generatorAction.addQueries(dataMap.getQueries());
+            generatorAction.addQueries(dataMap.getQueryDescriptors());
             generatorAction.execute();
         }
         catch (Exception e) {

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-tools/src/test/java/org/apache/cayenne/gen/ClassGenerationActionTest.java
----------------------------------------------------------------------
diff --git a/cayenne-tools/src/test/java/org/apache/cayenne/gen/ClassGenerationActionTest.java b/cayenne-tools/src/test/java/org/apache/cayenne/gen/ClassGenerationActionTest.java
index 714e2d3..0bf1058 100644
--- a/cayenne-tools/src/test/java/org/apache/cayenne/gen/ClassGenerationActionTest.java
+++ b/cayenne-tools/src/test/java/org/apache/cayenne/gen/ClassGenerationActionTest.java
@@ -23,7 +23,7 @@ import org.apache.cayenne.map.DataMap;
 import org.apache.cayenne.map.ObjAttribute;
 import org.apache.cayenne.map.ObjEntity;
 import org.apache.cayenne.map.ObjRelationship;
-import org.apache.cayenne.query.NamedQuery;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -172,16 +172,19 @@ public class ClassGenerationActionTest {
 	}
 
 	private void runDataMapTest(boolean client) throws Exception {
+		QueryDescriptor descriptor = QueryDescriptor.selectQueryDescriptor();
+        descriptor.setName("TestQuery");
+
 		DataMap map = new DataMap();
-		map.addQuery(new NamedQuery("TestQuery"));
+		map.addQueryDescriptor(descriptor);
 		map.setName("testmap");
 		List<String> generated;
 		if (client) {
 			map.setDefaultClientPackage("testpackage");
-			generated = execute(new ClientDataMapArtifact(map, map.getQueries()));
+			generated = execute(new ClientDataMapArtifact(map, map.getQueryDescriptors()));
 		} else {
 			map.setDefaultPackage("testpackage");
-			generated = execute(new DataMapArtifact(map, map.getQueries()));
+			generated = execute(new DataMapArtifact(map, map.getQueryDescriptors()));
 		}
 		assertEquals(2, generated.size());
 		assertTrue(generated.get(0).contains("public static final String TEST_QUERY_QUERYNAME = \"TestQuery\""));

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/cayenne-tools/src/test/resources/testmap.map.xml
----------------------------------------------------------------------
diff --git a/cayenne-tools/src/test/resources/testmap.map.xml b/cayenne-tools/src/test/resources/testmap.map.xml
index 71dfb21..60b94a6 100644
--- a/cayenne-tools/src/test/resources/testmap.map.xml
+++ b/cayenne-tools/src/test/resources/testmap.map.xml
@@ -670,73 +670,73 @@
 	<obj-relationship name="painting" source="PaintingInfo" target="Painting" deleteRule="Nullify" db-relationship-path="painting"/>
 	<obj-relationship name="paintingArray" source="ROArtist" target="Painting" deleteRule="Deny" db-relationship-path="paintingArray"/>
 	<obj-relationship name="toArtist" source="ROPainting" target="Artist" deleteRule="Nullify" db-relationship-path="toArtist"/>
-	<query name="EjbqlQueryTest" factory="org.apache.cayenne.map.EjbqlBuilder">
+	<query name="EjbqlQueryTest" type="EJBQLQuery">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<ejbql><![CDATA[select a from Artist a]]></ejbql>
 	</query>
-	<query name="NonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="NonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 	</query>
-	<query name="ObjectQuery" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Painting">
+	<query name="ObjectQuery" type="SelectQuery" root="obj-entity" root-name="Painting">
 		<qualifier><![CDATA[toArtist = $artist]]></qualifier>
 		<ordering><![CDATA[paintingTitle]]></ordering>
 	</query>
-	<query name="ParameterizedNonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="ParameterizedNonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap">
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (#bind($id), #bind($title), #bind($price))]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) values (#bind($id), #bind($title), #bind($price))]]></sql>
 	</query>
-	<query name="ParameterizedQueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ParameterizedQueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ProcedureQuery" factory="org.apache.cayenne.map.ProcedureQueryBuilder" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
+	<query name="ProcedureQuery" type="ProcedureQuery" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
 	</query>
-	<query name="QueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 	</query>
-	<query name="QueryWithOrdering" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithOrdering" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<ordering descending="true" ignore-case="true"><![CDATA[artistName]]></ordering>
 		<ordering><![CDATA[dateOfBirth]]></ordering>
 	</query>
-	<query name="QueryWithPrefetch" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Gallery">
+	<query name="QueryWithPrefetch" type="SelectQuery" root="obj-entity" root-name="Gallery">
 		<prefetch>paintingArray</prefetch>
 	</query>
-	<query name="QueryWithQualifier" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithQualifier" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<qualifier><![CDATA[artistName = $param1]]></qualifier>
 	</query>
-	<query name="QueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 	</query>
-	<query name="SelectDateTest" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectDateTest" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM DATE_TEST]]></sql>
 	</query>
-	<query name="SelectReturnTypesMap1" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectReturnTypesMap1" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST1]]></sql>
 	</query>
-	<query name="SelectReturnTypesMap2" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectReturnTypesMap2" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST2]]></sql>
 	</query>
-	<query name="SelectTestLower" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectTestLower" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="LOWER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>
 	</query>
-	<query name="SelectTestUpper" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectTestUpper" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/itests/cayenne-tools-itest/src/test/resources/testmap-client.map.xml
----------------------------------------------------------------------
diff --git a/itests/cayenne-tools-itest/src/test/resources/testmap-client.map.xml b/itests/cayenne-tools-itest/src/test/resources/testmap-client.map.xml
index ca501db..21fadf7 100644
--- a/itests/cayenne-tools-itest/src/test/resources/testmap-client.map.xml
+++ b/itests/cayenne-tools-itest/src/test/resources/testmap-client.map.xml
@@ -670,73 +670,73 @@
 	<obj-relationship name="painting" source="PaintingInfo" target="Painting" deleteRule="Nullify" db-relationship-path="painting"/>
 	<obj-relationship name="paintingArray" source="ROArtist" target="Painting" deleteRule="Deny" db-relationship-path="paintingArray"/>
 	<obj-relationship name="toArtist" source="ROPainting" target="Artist" deleteRule="Nullify" db-relationship-path="toArtist"/>
-	<query name="EjbqlQueryTest" factory="org.apache.cayenne.map.EjbqlBuilder">
+	<query name="EjbqlQueryTest" type="EJBQLQuery">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<ejbql><![CDATA[select a from Artist a]]></ejbql>
 	</query>
-	<query name="NonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap-client">
+	<query name="NonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap-client">
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 	</query>
-	<query name="ObjectQuery" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Painting">
+	<query name="ObjectQuery" type="SelectQuery" root="obj-entity" root-name="Painting">
 		<qualifier><![CDATA[toArtist = $artist]]></qualifier>
 		<ordering><![CDATA[paintingTitle]]></ordering>
 	</query>
-	<query name="ParameterizedNonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap-client">
+	<query name="ParameterizedNonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap-client">
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (#bind($id), #bind($title), #bind($price))]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) values (#bind($id), #bind($title), #bind($price))]]></sql>
 	</query>
-	<query name="ParameterizedQueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ParameterizedQueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ProcedureQuery" factory="org.apache.cayenne.map.ProcedureQueryBuilder" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
+	<query name="ProcedureQuery" type="ProcedureQuery" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
 	</query>
-	<query name="QueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 	</query>
-	<query name="QueryWithOrdering" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithOrdering" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<ordering descending="true" ignore-case="true"><![CDATA[artistName]]></ordering>
 		<ordering><![CDATA[dateOfBirth]]></ordering>
 	</query>
-	<query name="QueryWithPrefetch" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Gallery">
+	<query name="QueryWithPrefetch" type="SelectQuery" root="obj-entity" root-name="Gallery">
 		<prefetch>paintingArray</prefetch>
 	</query>
-	<query name="QueryWithQualifier" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithQualifier" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<qualifier><![CDATA[artistName = $param1]]></qualifier>
 	</query>
-	<query name="QueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 	</query>
-	<query name="SelectDateTest" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap-client">
+	<query name="SelectDateTest" type="SQLTemplate" root="data-map" root-name="testmap-client">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM DATE_TEST]]></sql>
 	</query>
-	<query name="SelectReturnTypesMap1" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap-client">
+	<query name="SelectReturnTypesMap1" type="SQLTemplate" root="data-map" root-name="testmap-client">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST1]]></sql>
 	</query>
-	<query name="SelectReturnTypesMap2" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap-client">
+	<query name="SelectReturnTypesMap2" type="SQLTemplate" root="data-map" root-name="testmap-client">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST2]]></sql>
 	</query>
-	<query name="SelectTestLower" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap-client">
+	<query name="SelectTestLower" type="SQLTemplate" root="data-map" root-name="testmap-client">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="LOWER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>
 	</query>
-	<query name="SelectTestUpper" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap-client">
+	<query name="SelectTestUpper" type="SQLTemplate" root="data-map" root-name="testmap-client">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/itests/cayenne-tools-itest/src/test/resources/testmap.map.xml
----------------------------------------------------------------------
diff --git a/itests/cayenne-tools-itest/src/test/resources/testmap.map.xml b/itests/cayenne-tools-itest/src/test/resources/testmap.map.xml
index 71dfb21..60b94a6 100644
--- a/itests/cayenne-tools-itest/src/test/resources/testmap.map.xml
+++ b/itests/cayenne-tools-itest/src/test/resources/testmap.map.xml
@@ -670,73 +670,73 @@
 	<obj-relationship name="painting" source="PaintingInfo" target="Painting" deleteRule="Nullify" db-relationship-path="painting"/>
 	<obj-relationship name="paintingArray" source="ROArtist" target="Painting" deleteRule="Deny" db-relationship-path="paintingArray"/>
 	<obj-relationship name="toArtist" source="ROPainting" target="Artist" deleteRule="Nullify" db-relationship-path="toArtist"/>
-	<query name="EjbqlQueryTest" factory="org.apache.cayenne.map.EjbqlBuilder">
+	<query name="EjbqlQueryTest" type="EJBQLQuery">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<ejbql><![CDATA[select a from Artist a]]></ejbql>
 	</query>
-	<query name="NonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="NonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) VALUES (512, 'No Painting Like This', 12.5)]]></sql>
 	</query>
-	<query name="ObjectQuery" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Painting">
+	<query name="ObjectQuery" type="SelectQuery" root="obj-entity" root-name="Painting">
 		<qualifier><![CDATA[toArtist = $artist]]></qualifier>
 		<ordering><![CDATA[paintingTitle]]></ordering>
 	</query>
-	<query name="ParameterizedNonSelectingQuery" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="ParameterizedNonSelectingQuery" type="SQLTemplate" root="data-map" root-name="testmap">
 		<sql><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE)
 VALUES (#bind($id), #bind($title), #bind($price))]]></sql>
 		<sql adapter-class="org.apache.cayenne.dba.db2.DB2Adapter"><![CDATA[INSERT INTO PAINTING (PAINTING_ID, PAINTING_TITLE, ESTIMATED_PRICE) values (#bind($id), #bind($title), #bind($price))]]></sql>
 	</query>
-	<query name="ParameterizedQueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ParameterizedQueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="ParameterizedQueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 		<qualifier><![CDATA[artistName like $name]]></qualifier>
 	</query>
-	<query name="ProcedureQuery" factory="org.apache.cayenne.map.ProcedureQueryBuilder" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
+	<query name="ProcedureQuery" type="ProcedureQuery" root="procedure" root-name="cayenne_tst_select_proc" result-entity="Artist">
 	</query>
-	<query name="QueryWithLocalCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithLocalCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="LOCAL_CACHE"/>
 	</query>
-	<query name="QueryWithOrdering" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithOrdering" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<ordering descending="true" ignore-case="true"><![CDATA[artistName]]></ordering>
 		<ordering><![CDATA[dateOfBirth]]></ordering>
 	</query>
-	<query name="QueryWithPrefetch" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Gallery">
+	<query name="QueryWithPrefetch" type="SelectQuery" root="obj-entity" root-name="Gallery">
 		<prefetch>paintingArray</prefetch>
 	</query>
-	<query name="QueryWithQualifier" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithQualifier" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<qualifier><![CDATA[artistName = $param1]]></qualifier>
 	</query>
-	<query name="QueryWithSharedCache" factory="org.apache.cayenne.map.SelectQueryBuilder" root="obj-entity" root-name="Artist">
+	<query name="QueryWithSharedCache" type="SelectQuery" root="obj-entity" root-name="Artist">
 		<property name="cayenne.GenericSelectQuery.cacheStrategy" value="SHARED_CACHE"/>
 	</query>
-	<query name="SelectDateTest" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectDateTest" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM DATE_TEST]]></sql>
 	</query>
-	<query name="SelectReturnTypesMap1" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectReturnTypesMap1" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST1]]></sql>
 	</query>
-	<query name="SelectReturnTypesMap2" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectReturnTypesMap2" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[SELECT * FROM TYPES_MAPPING_TEST2]]></sql>
 	</query>
-	<query name="SelectTestLower" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectTestLower" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="LOWER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>
 	</query>
-	<query name="SelectTestUpper" factory="org.apache.cayenne.map.SQLTemplateBuilder" root="data-map" root-name="testmap">
+	<query name="SelectTestUpper" type="SQLTemplate" root="data-map" root-name="testmap">
 		<property name="cayenne.GenericSelectQuery.fetchingDataRows" value="true"/>
 		<property name="cayenne.SQLTemplate.columnNameCapitalization" value="UPPER"/>
 		<sql><![CDATA[select * from ARTIST]]></sql>

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/configuration/event/QueryEvent.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/configuration/event/QueryEvent.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/configuration/event/QueryEvent.java
index 8462131..2cff378 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/configuration/event/QueryEvent.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/configuration/event/QueryEvent.java
@@ -21,7 +21,7 @@ package org.apache.cayenne.configuration.event;
 
 import org.apache.cayenne.map.DataMap;
 import org.apache.cayenne.map.event.MapEvent;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 
 /**
  * An event generated when a Query object is added to a DataMap, 
@@ -30,24 +30,24 @@ import org.apache.cayenne.query.Query;
  * @since 1.1
  */
 public class QueryEvent extends MapEvent {
-    protected Query query;
+    protected QueryDescriptor query;
     
     /**
      * Data map containing the query
      */
     protected DataMap map;
 
-    public QueryEvent(Object source, Query query) {
+    public QueryEvent(Object source, QueryDescriptor query) {
         super(source);
         setQuery(query);
     }
 
-    public QueryEvent(Object source, Query query, String oldName) {
+    public QueryEvent(Object source, QueryDescriptor query, String oldName) {
         this(source, query);
         setOldName(oldName);
     }
 
-    public QueryEvent(Object source, Query query, int type) {
+    public QueryEvent(Object source, QueryDescriptor query, int type) {
         this(source, query);
         setId(type);
     }
@@ -55,7 +55,7 @@ public class QueryEvent extends MapEvent {
     /**
      * Creates a query event, specifying DataMap, containing the query
      */
-    public QueryEvent(Object source, Query query, DataMap map) {
+    public QueryEvent(Object source, QueryDescriptor query, DataMap map) {
         this(source, query);
         setDataMap(map);
     }
@@ -63,7 +63,7 @@ public class QueryEvent extends MapEvent {
     /**
      * Creates a query event, specifying DataMap, containing the query
      */
-    public QueryEvent(Object source, Query query, String oldName, DataMap map) {
+    public QueryEvent(Object source, QueryDescriptor query, String oldName, DataMap map) {
         this(source, query, oldName);
         setDataMap(map);
     }
@@ -71,7 +71,7 @@ public class QueryEvent extends MapEvent {
     /**
      * Creates a query event, specifying DataMap, containing the query
      */
-    public QueryEvent(Object source, Query query, int type, DataMap map) {
+    public QueryEvent(Object source, QueryDescriptor query, int type, DataMap map) {
         this(source, query, type);
         setDataMap(map);
     }
@@ -81,11 +81,11 @@ public class QueryEvent extends MapEvent {
         return (query != null) ? query.getName() : null;
     }
 
-    public Query getQuery() {
+    public QueryDescriptor getQuery() {
         return query;
     }
 
-    public void setQuery(Query query) {
+    public void setQuery(QueryDescriptor query) {
         this.query = query;
     }
     

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectController.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectController.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectController.java
index fc805c8..e923d57 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectController.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectController.java
@@ -111,6 +111,7 @@ import org.apache.cayenne.modeler.util.Comparators;
 import org.apache.cayenne.project.ConfigurationNodeParentGetter;
 import org.apache.cayenne.project.Project;
 import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.apache.cayenne.util.IDUtil;
 
 import javax.swing.event.EventListenerList;
@@ -158,7 +159,7 @@ public class ProjectController extends CayenneController {
 
         private Procedure procedure;
         private ProcedureParameter[] procedureParameters;
-        private Query query;
+        private QueryDescriptor query;
 
         /**
          * Paths of multiple selection
@@ -556,7 +557,7 @@ public class ProjectController extends CayenneController {
         return currentState.dbRels;
     }
 
-    public Query getCurrentQuery() {
+    public QueryDescriptor getCurrentQuery() {
         return currentState.query;
     }
 

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeFactory.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeFactory.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeFactory.java
index 2db164b..2d5e0be 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeFactory.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeFactory.java
@@ -36,6 +36,7 @@ import org.apache.cayenne.map.Embeddable;
 import org.apache.cayenne.map.ObjEntity;
 import org.apache.cayenne.map.Procedure;
 import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 
 /**
  * A helper class that wraps a tree of project nodes into Swing tree nodes.
@@ -156,7 +157,7 @@ public class ProjectTreeFactory {
                 makeNode(procedure);
             }
 
-            for (Query query : dataMap.getQueries()) {
+            for (QueryDescriptor query : dataMap.getQueryDescriptors()) {
                 makeNode(query);
             }
 

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeView.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeView.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeView.java
index 4c002b0..999fbb5 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeView.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/ProjectTreeView.java
@@ -77,7 +77,7 @@ import org.apache.cayenne.modeler.util.CayenneAction;
 import org.apache.cayenne.modeler.util.CellRenderers;
 import org.apache.cayenne.modeler.util.Comparators;
 import org.apache.cayenne.project.Project;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.apache.cayenne.reflect.PropertyUtils;
 import org.apache.cayenne.resource.Resource;
 import org.apache.commons.logging.Log;
@@ -455,7 +455,7 @@ public class ProjectTreeView extends JTree implements DomainDisplayListener,
             return;
         }
 
-        Query query = e.getQuery();
+        QueryDescriptor query = e.getQuery();
         DefaultMutableTreeNode currentNode = new DefaultMutableTreeNode(query, false);
         positionNode(node, currentNode, Comparators.getDataMapChildrenComparator());
         showNode(currentNode);
@@ -944,10 +944,10 @@ public class ProjectTreeView extends JTree implements DomainDisplayListener,
                     (DataChannelDescriptor) mediator.getProject().getRootNode());
             mediator.fireProcedureDisplayEvent(e);
         }
-        else if (obj instanceof Query) {
+        else if (obj instanceof QueryDescriptor) {
             QueryDisplayEvent e = new QueryDisplayEvent(
                     this,
-                    (Query) obj,
+                    (QueryDescriptor) obj,
                     (DataMap) data[data.length - 2],
                     (DataChannelDescriptor) mediator.getProject().getRootNode());
             mediator.fireQueryDisplayEvent(e);

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/CreateQueryAction.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/CreateQueryAction.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/CreateQueryAction.java
index 312bf63..ff30ce5 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/CreateQueryAction.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/CreateQueryAction.java
@@ -30,7 +30,7 @@ import org.apache.cayenne.modeler.ProjectController;
 import org.apache.cayenne.modeler.dialog.query.QueryType;
 import org.apache.cayenne.modeler.event.QueryDisplayEvent;
 import org.apache.cayenne.modeler.util.CayenneAction;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 
 /**
  * @since 1.1
@@ -62,8 +62,8 @@ public class CreateQueryAction extends CayenneAction {
         new QueryType(getProjectController(),getProjectController().getCurrentDataMap()).startupAction();
     }
     
-    public void createQuery(DataChannelDescriptor domain, DataMap dataMap, Query query) {
-        dataMap.addQuery(query);
+    public void createQuery(DataChannelDescriptor domain, DataMap dataMap, QueryDescriptor query) {
+        dataMap.addQueryDescriptor(query);
         // notify listeners
         fireQueryEvent(this, getProjectController(), domain, dataMap, query);
     }
@@ -72,7 +72,7 @@ public class CreateQueryAction extends CayenneAction {
      * Fires events when a query was added
      */
     public static void fireQueryEvent(Object src, ProjectController mediator, DataChannelDescriptor domain,
-            DataMap dataMap, Query query) {
+            DataMap dataMap, QueryDescriptor query) {
         mediator.fireQueryEvent(new QueryEvent(src, query, MapEvent.ADD, dataMap));
         mediator.fireQueryDisplayEvent(new QueryDisplayEvent(src, query, dataMap, domain));
     }

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/FindAction.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/FindAction.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/FindAction.java
index 5f444a8..34332a1 100755
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/FindAction.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/FindAction.java
@@ -31,7 +31,7 @@ import org.apache.cayenne.map.ObjRelationship;
 import org.apache.cayenne.modeler.Application;
 import org.apache.cayenne.modeler.dialog.FindDialog;
 import org.apache.cayenne.modeler.util.CayenneAction;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 
 import javax.swing.JTextField;
 import java.awt.Color;
@@ -75,10 +75,10 @@ public class FindAction extends CayenneAction {
                 
                   DataMap dm = it.next();
                  
-                  Iterator<Query> querIterator = dm.getQueries().iterator();
+                  Iterator<QueryDescriptor> querIterator = dm.getQueryDescriptors().iterator();
                   
                   while(querIterator.hasNext()) {
-                      Query q = querIterator.next();
+                      QueryDescriptor q = querIterator.next();
                       if(matchFound(q.getName(), pattern)){
                           paths.add(q);
                       }

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/ImportEOModelAction.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/ImportEOModelAction.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/ImportEOModelAction.java
index d7879fc..4544073 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/ImportEOModelAction.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/ImportEOModelAction.java
@@ -56,7 +56,7 @@ import org.apache.cayenne.modeler.pref.FSPath;
 import org.apache.cayenne.modeler.util.AdapterMapping;
 import org.apache.cayenne.modeler.util.CayenneAction;
 import org.apache.cayenne.modeler.util.FileFilters;
-import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 import org.apache.cayenne.wocompat.EOModelProcessor;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.logging.Log;
@@ -222,7 +222,7 @@ public class ImportEOModelAction extends CayenneAction {
 
             Collection originalOE = new ArrayList(currentMap.getObjEntities());
             Collection originalDE = new ArrayList(currentMap.getDbEntities());
-            Collection originalQueries = new ArrayList(currentMap.getQueries());
+            Collection originalQueries = new ArrayList(currentMap.getQueryDescriptors());
 
             currentMap.mergeWithDataMap(map);
             map = currentMap;
@@ -230,7 +230,7 @@ public class ImportEOModelAction extends CayenneAction {
             // postprocess changes
             Collection newOE = new ArrayList(currentMap.getObjEntities());
             Collection newDE = new ArrayList(currentMap.getDbEntities());
-            Collection newQueries = new ArrayList(currentMap.getQueries());
+            Collection newQueries = new ArrayList(currentMap.getQueryDescriptors());
 
             EntityEvent entityEvent = new EntityEvent(Application.getFrame(), null);
             QueryEvent queryEvent = new QueryEvent(Application.getFrame(), null);
@@ -277,7 +277,7 @@ public class ImportEOModelAction extends CayenneAction {
                     originalQueries);
             it = addedQueries.iterator();
             while (it.hasNext()) {
-                Query q = (Query) it.next();
+                QueryDescriptor q = (QueryDescriptor) it.next();
                 queryEvent.setQuery(q);
                 queryEvent.setId(MapEvent.ADD);
                 mediator.fireQueryEvent(queryEvent);
@@ -288,7 +288,7 @@ public class ImportEOModelAction extends CayenneAction {
                     newQueries);
             it = removedQueries.iterator();
             while (it.hasNext()) {
-                Query q = (Query) it.next();
+                QueryDescriptor q = (QueryDescriptor) it.next();
                 queryEvent.setQuery(q);
                 queryEvent.setId(MapEvent.REMOVE);
                 mediator.fireQueryEvent(queryEvent);

http://git-wip-us.apache.org/repos/asf/cayenne/blob/a265b3ab/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/PasteAction.java
----------------------------------------------------------------------
diff --git a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/PasteAction.java b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/PasteAction.java
index fbddf98..14553c1 100644
--- a/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/PasteAction.java
+++ b/modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/action/PasteAction.java
@@ -50,6 +50,7 @@ import org.apache.cayenne.modeler.util.CayenneTransferable;
 import org.apache.cayenne.query.AbstractQuery;
 import org.apache.cayenne.query.EJBQLQuery;
 import org.apache.cayenne.query.Query;
+import org.apache.cayenne.query.QueryDescriptor;
 
 import javax.swing.KeyStroke;
 import javax.swing.undo.UndoableEdit;
@@ -215,8 +216,8 @@ public class PasteAction extends CayenneAction implements FlavorListener {
             for (Procedure procedure : dataMap.getProcedures()) {
                 procedure.setName(DefaultUniqueNameGenerator.generate(NameCheckers.procedure, COPY_PATTERN, dataMap, procedure.getName()));
             }
-            for (Query query : dataMap.getQueries()) {
-                ((AbstractQuery) query).setName(DefaultUniqueNameGenerator.generate(NameCheckers.query, COPY_PATTERN, dataMap, query.getName()));
+            for (QueryDescriptor query : dataMap.getQueryDescriptors()) {
+                query.setName(DefaultUniqueNameGenerator.generate(NameCheckers.query, COPY_PATTERN, dataMap, query.getName()));
             }
 
             // if an entity was renamed, we rename all links to it too
@@ -287,23 +288,13 @@ public class PasteAction extends CayenneAction implements FlavorListener {
                         dataMap,
                         embeddable);
             }
-            else if (content instanceof EJBQLQuery) {
-                EJBQLQuery query = (EJBQLQuery) content;
-
-                query.setName(DefaultUniqueNameGenerator.generate(NameCheckers.query, COPY_PATTERN, dataMap, query.getName()));
-                query.setDataMap(dataMap);
-
-                dataMap.addQuery(query);
-                QueryType.fireQueryEvent(this, mediator, dataMap, query);
-            }
-            else if (content instanceof Query) {
-                // paste Query to DataMap
-                AbstractQuery query = (AbstractQuery) content;
+            else if (content instanceof QueryDescriptor) {
+                QueryDescriptor query = (QueryDescriptor) content;
 
                 query.setName(DefaultUniqueNameGenerator.generate(NameCheckers.query, COPY_PATTERN, dataMap, query.getName()));
                 query.setDataMap(dataMap);
 
-                dataMap.addQuery(query);
+                dataMap.addQueryDescriptor(query);
                 QueryType.fireQueryEvent(this, mediator, dataMap, query);
             }
             else if (content instanceof Procedure) {