6:28 p.m.
Author: porcelli
Date: 2009-04-23 12:28:09 -0400 (Thu, 23 Apr 2009)
New Revision: 16428
Added:
core/branches/antlr3/src/main/java/org/hibernate/sql/ast/phase/hql/resolve/HQLResolver.java
Log:
renambed 2nd phase
Added:
core/branches/antlr3/src/main/java/org/hibernate/sql/ast/phase/hql/resolve/HQLResolver.java
===================================================================
---
core/branches/antlr3/src/main/java/org/hibernate/sql/ast/phase/hql/resolve/HQLResolver.java
(rev 0)
+++
core/branches/antlr3/src/main/java/org/hibernate/sql/ast/phase/hql/resolve/HQLResolver.java 2009-04-23
16:28:09 UTC (rev 16428)
@@ -0,0 +1,243 @@
+/*
+ * Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
+ * indicated by the @author tags or express copyright attribution
+ * statements applied by the authors. All third-party contributions are
+ * distributed under license by Red Hat Middleware LLC.
+ *
+ * This copyrighted material is made available to anyone wishing to use, modify,
+ * copy, or redistribute it subject to the terms and conditions of the GNU
+ * Lesser General Public License, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this distribution; if not, write to:
+ * Free Software Foundation, Inc.
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA 02110-1301 USA
+ */
+package org.hibernate.sql.ast.phase.hql.resolve;
+
+import org.antlr.runtime.RecognizerSharedState;
+import org.antlr.runtime.tree.CommonTree;
+import org.antlr.runtime.tree.Tree;
+import org.antlr.runtime.tree.TreeNodeStream;
+import org.hibernate.engine.SessionFactoryImplementor;
+import org.hibernate.persister.entity.Queryable;
+import org.hibernate.sql.ast.alias.DefaultTableAliasGenerator;
+import org.hibernate.sql.ast.alias.TableAliasGenerator;
+import org.hibernate.sql.ast.common.HibernateTree;
+import org.hibernate.sql.ast.common.JoinType;
+import org.hibernate.sql.ast.phase.hql.parse.HQLParser;
+import org.hibernate.sql.ast.phase.hql.resolve.path.PathResolutionStrategy;
+import org.hibernate.sql.ast.phase.hql.resolve.path.PathResolutionStrategyStack;
+import org.hibernate.sql.ast.phase.hql.resolve.path.PathedPropertyReferenceSource;
+import
org.hibernate.sql.ast.phase.hql.resolve.path.impl.BasicPathResolutionStrategySupport;
+import
org.hibernate.sql.ast.phase.hql.resolve.path.impl.FromClausePathResolutionStrategy;
+import
org.hibernate.sql.ast.phase.hql.resolve.path.impl.SelectClausePathResolutionStrategy;
+import org.hibernate.sql.ast.tree.Table;
+import org.hibernate.sql.ast.tree.Table.EntityTableSpace;
+import org.hibernate.sql.ast.util.TreePrinter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class HQLResolver extends GeneratedHQLResolver implements
+ ResolutionContext {
+ private static final Logger log = LoggerFactory
+ .getLogger( HQLResolver.class );
+
+ private final SessionFactoryImplementor sessionFactory;
+ private final PersisterSpaceContext persisterSpaceContext;
+ private final DefaultTableAliasGenerator defaultTableAliasGenerator;
+ private final PathResolutionStrategyStack pathResolutionStrategyStack;
+ private final TreePrinter printer;
+
+ private boolean isProcessingFunction = false;
+
+ public HQLResolver( TreeNodeStream input,
+ SessionFactoryImplementor sessionFactory ) {
+ this( input, new RecognizerSharedState(), sessionFactory );
+ }
+
+ public HQLResolver( TreeNodeStream input, RecognizerSharedState state,
+ SessionFactoryImplementor sessionFactory ) {
+ super( input, state );
+ this.sessionFactory = sessionFactory;
+ this.persisterSpaceContext = new RootPersisterSpaceContext();
+ this.defaultTableAliasGenerator = new DefaultTableAliasGenerator(
+ sessionFactory.getDialect() );
+ this.printer = new TreePrinter( HQLParser.class );
+ this.pathResolutionStrategyStack = new PathResolutionStrategyStack();
+ this.pathResolutionStrategyStack
+ .push( new BasicPathResolutionStrategySupport( this ) );
+ }
+
+ protected void registerPersisterSpace( Tree entityName, Tree alias ) {
+ String entityPersisterName = sessionFactory
+ .getImportedClassName( entityName.getText() );
+ Queryable entityPersister = ( Queryable ) sessionFactory
+ .getEntityPersister( entityPersisterName );
+
+ TableAliasGenerator.TableAliasRoot tableAliasRoot = getTableAliasGenerator()
+ .generateSqlAliasRoot( entityPersister, alias.getText() );
+ EntityTableSpace tableSpace = new Table.EntityTableSpace(
+ entityPersister, tableAliasRoot );
+ registerPersisterSpace( tableSpace.getPersisterSpace() );
+ }
+
+ public PersisterSpaceContext getCurrentPersisterSpaceContext() {
+ return persisterSpaceContext;
+ }
+
+ public SessionFactoryImplementor getSessionFactoryImplementor() {
+ return sessionFactory;
+ }
+
+ public TableAliasGenerator getTableAliasGenerator() {
+ return defaultTableAliasGenerator;
+ }
+
+ public TreePrinter getTreePrinter() {
+ return printer;
+ }
+
+ public boolean isCurrentlyProcessingFunction() {
+ return isProcessingFunction;
+ }
+
+ public PathResolutionStrategyStack getPathResolutionStrategyStack() {
+ return pathResolutionStrategyStack;
+ }
+
+ public PathResolutionStrategy getCurrentPathResolutionStrategy() {
+ return pathResolutionStrategyStack.getCurrent();
+ }
+
+ public void registerAssociationFetch( PersisterSpace persisterSpace ) {
+ throw new UnsupportedOperationException( "must be implemented!" );
+ }
+
+ public void registerPropertyFetch( PersisterSpace persisterSpace ) {
+ throw new UnsupportedOperationException( "must be implemented!" );
+ }
+
+ protected void pushFromStrategy( JoinType joinType,
+ Tree assosiationFetchTree, Tree propertyFetchTree, Tree alias ) {
+ boolean assosiationFetch = assosiationFetchTree != null ? true : false;
+ boolean propertyFetch = propertyFetchTree != null ? true : false;
+ pathResolutionStrategyStack.push( new FromClausePathResolutionStrategy(
+ this, joinType, assosiationFetch, propertyFetch, alias
+ .getText() ) );
+ }
+
+ protected void pushSelectStrategy() {
+ pathResolutionStrategyStack
+ .push( new SelectClausePathResolutionStrategy( this ) );
+ }
+
+ protected void popStrategy() {
+ pathResolutionStrategyStack.pop();
+ }
+
+ private void registerPersisterSpace( PersisterSpace persisterSpace ) {
+ persisterSpaceContext.registerPersisterSpace( persisterSpace );
+ }
+
+ protected boolean isUnqualifiedPropertyReference() {
+ return locateOwningPersisterAlias( ( Tree ) input.LT( 1 ) ) != null;
+ }
+
+ protected String locateOwningPersisterAlias( Tree property ) {
+ PersisterSpace persisterReference = getCurrentPersisterSpaceContext()
+ .locatePersisterSpaceExposingProperty( property.getText() );
+ return persisterReference == null ? null : persisterReference
+ .getSourceAlias();
+ }
+
+ protected boolean isPersisterReferenceAlias() {
+ Tree alias = ( Tree ) input.LT( 1 );
+ log.trace( "Checking [" + textOrNull( alias )
+ + "] as persister-ref alias" );
+ return getCurrentPersisterSpaceContext().isContainedAlias(
+ alias.getText() );
+ }
+
+ protected PathedPropertyReferenceSource normalizeUnqualifiedPropertyReference(
+ Tree property ) {
+ return getCurrentPathResolutionStrategy().handleRoot(
+ getCurrentPersisterSpaceContext()
+ .locatePersisterSpaceExposingProperty(
+ property.getText() ) );
+ }
+
+ protected PathedPropertyReferenceSource normalizeUnqualifiedRoot(
+ Tree propertyName ) {
+ log.debug( "normalizing path expression root as unqualified property ["
+ + textOrNull( propertyName ) + "]" );
+ PathedPropertyReferenceSource root = getCurrentPathResolutionStrategy()
+ .handleRoot(
+ getCurrentPersisterSpaceContext()
+ .locatePersisterSpaceExposingProperty(
+ propertyName.getText() ) );
+ return root.handleIntermediatePathPart( propertyName.getText() );
+ }
+
+ protected PathedPropertyReferenceSource normalizeQualifiedRoot( Tree alias ) {
+ log.debug( "normalizing path expression root as alias ["
+ + alias.getText() + "]" );
+ return getCurrentPathResolutionStrategy().handleRoot(
+ getCurrentPersisterSpaceContext().locatePersisterSpaceByAlias(
+ alias.getText() ) );
+ }
+
+ protected Tree normalizePropertyPathTerminus(
+ PathedPropertyReferenceSource source, Tree propertyNameNode ) {
+ log.trace( "normalizing terminal path expression ["
+ + textOrNull( propertyNameNode ) + "]" );
+ return getCurrentPathResolutionStrategy().handleTerminalPathPart(
+ source, propertyNameNode.getText() );
+ }
+
+ protected PathedPropertyReferenceSource normalizePropertyPathIntermediary(
+ PathedPropertyReferenceSource source, Tree propertyName ) {
+ log.trace( "normalizing intermediate path expression ["
+ + textOrNull( propertyName ) + "]" );
+ return getCurrentPathResolutionStrategy().handleIntermediatePathPart(
+ ( PathedPropertyReferenceSource ) source,
+ propertyName.getText() );
+ }
+
+ protected PathedPropertyReferenceSource normalizeUnqualifiedPropertyReferenceSource(
+ Tree propertyName ) {
+ return getCurrentPathResolutionStrategy().handleRoot(
+ getCurrentPersisterSpaceContext()
+ .locatePersisterSpaceExposingProperty(
+ propertyName.getText() ) );
+ }
+
+ protected void normalizeIntermediateIndexOperation(
+ PathedPropertyReferenceSource propertyReferenceSource,
+ Tree collectionProperty, Tree selector ) {
+ throw new UnsupportedOperationException(
+ "must be implemented!: normalizeIntermediateIndexOperation" );
+ }
+
+ protected void normalizeTerminalIndexOperation(
+ PathedPropertyReferenceSource propertyReferenceSource,
+ Tree collectionProperty, Tree selector ) {
+ log.trace( "normalizing terminal index access ["
+ + textOrNull( collectionProperty ) + "]" );
+ PathedPropertyReferenceSource collectionSource = propertyReferenceSource;
+ getCurrentPathResolutionStrategy().handleTerminalIndexAccess(
+ collectionSource, collectionProperty.getText(),
+ new HibernateTree( ( CommonTree ) selector ) );
+ }
+
+ private String textOrNull( Tree tree ) {
+ return tree == null ? null : tree.getText();
+ }
+
+}
\ No newline at end of file
Property changes on:
core/branches/antlr3/src/main/java/org/hibernate/sql/ast/phase/hql/resolve/HQLResolver.java
___________________________________________________________________
Name: svn:eol-style
+ native