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Hibernate example source code file (ClassPropertyHolder.java)

This example Hibernate source code file (ClassPropertyHolder.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Hibernate tags/keywords

assertionfailure, classpropertyholder, declaring, inheritancestate, inheritancestate, join, join, map, map, mappings, persistentclass, string, util, xclass, xclass

The Hibernate ClassPropertyHolder.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. 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 Inc.
 *
 * 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.cfg;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.JoinTable;
import org.hibernate.annotations.common.AssertionFailure;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.cfg.annotations.EntityBinder;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.Join;
import org.hibernate.mapping.KeyValue;
import org.hibernate.mapping.MappedSuperclass;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.Table;

/**
 * @author Emmanuel Bernard
 */
public class ClassPropertyHolder extends AbstractPropertyHolder {
	private PersistentClass persistentClass;
	private Map<String, Join> joins;
	private transient Map<String, Join> joinsPerRealTableName;
	private EntityBinder entityBinder;
	private final Map<XClass, InheritanceState> inheritanceStatePerClass;

	public ClassPropertyHolder(
			PersistentClass persistentClass,
			XClass clazzToProcess,
			Map<String, Join> joins,
			Mappings mappings,
			Map<XClass, InheritanceState> inheritanceStatePerClass) {
		super( persistentClass.getEntityName(), null, clazzToProcess, mappings );
		this.persistentClass = persistentClass;
		this.joins = joins;
		this.inheritanceStatePerClass = inheritanceStatePerClass;
	}

	public ClassPropertyHolder(
			PersistentClass persistentClass,
			XClass clazzToProcess,
			EntityBinder entityBinder,
			Mappings mappings,
			Map<XClass, InheritanceState> inheritanceStatePerClass) {
		this( persistentClass, clazzToProcess, entityBinder.getSecondaryTables(), mappings, inheritanceStatePerClass );
		this.entityBinder = entityBinder;
	}

	public String getEntityName() {
		return persistentClass.getEntityName();
	}

	public void addProperty(Property prop, Ejb3Column[] columns, XClass declaringClass) {
		//Ejb3Column.checkPropertyConsistency( ); //already called earlier
		if ( columns != null && columns[0].isSecondary() ) {
			//TODO move the getJoin() code here?
			final Join join = columns[0].getJoin();
			addPropertyToJoin( prop, declaringClass, join );
		}
		else {
			addProperty( prop, declaringClass );
		}
	}

	public void addProperty(Property prop, XClass declaringClass) {
		if ( prop.getValue() instanceof Component ) {
			//TODO handle quote and non quote table comparison
			String tableName = prop.getValue().getTable().getName();
			if ( getJoinsPerRealTableName().containsKey( tableName ) ) {
				final Join join = getJoinsPerRealTableName().get( tableName );
				addPropertyToJoin( prop, declaringClass, join );
			}
			else {
				addPropertyToPersistentClass( prop, declaringClass );
			}
		}
		else {
			addPropertyToPersistentClass( prop, declaringClass );
		}
	}

	public Join addJoin(JoinTable joinTableAnn, boolean noDelayInPkColumnCreation) {
		Join join = entityBinder.addJoin( joinTableAnn, this, noDelayInPkColumnCreation );
		this.joins = entityBinder.getSecondaryTables();
		return join;
	}

	private void addPropertyToPersistentClass(Property prop, XClass declaringClass) {
		if ( declaringClass != null ) {
			final InheritanceState inheritanceState = inheritanceStatePerClass.get( declaringClass );
			if ( inheritanceState == null ) {
				throw new AssertionFailure(
						"Declaring class is not found in the inheritance state hierarchy: " + declaringClass
				);
			}
			if ( inheritanceState.isEmbeddableSuperclass() ) {
				persistentClass.addMappedsuperclassProperty(prop);
				addPropertyToMappedSuperclass( prop, declaringClass );
			}
			else {
				persistentClass.addProperty( prop );
			}
		}
		else {
			persistentClass.addProperty( prop );
		}
	}

	private void addPropertyToMappedSuperclass(Property prop, XClass declaringClass) {
		final Mappings mappings = getMappings();
		final Class type = mappings.getReflectionManager().toClass( declaringClass );
		MappedSuperclass superclass = mappings.getMappedSuperclass( type );
		superclass.addDeclaredProperty( prop );
	}

	private void addPropertyToJoin(Property prop, XClass declaringClass, Join join) {
		if ( declaringClass != null ) {
			final InheritanceState inheritanceState = inheritanceStatePerClass.get( declaringClass );
			if ( inheritanceState == null ) {
				throw new AssertionFailure(
						"Declaring class is not found in the inheritance state hierarchy: " + declaringClass
				);
			}
			if ( inheritanceState.isEmbeddableSuperclass() ) {
				join.addMappedsuperclassProperty(prop);
				addPropertyToMappedSuperclass( prop, declaringClass );
			}
			else {
				join.addProperty( prop );
			}
		}
		else {
			join.addProperty( prop );
		}
	}

	/**
	 * Needed for proper compliance with naming strategy, the property table
	 * can be overriden if the properties are part of secondary tables
	 */
	private Map<String, Join> getJoinsPerRealTableName() {
		if ( joinsPerRealTableName == null ) {
			joinsPerRealTableName = new HashMap<String, Join>( joins.size() );
			for (Join join : joins.values()) {
				joinsPerRealTableName.put( join.getTable().getName(), join );
			}
		}
		return joinsPerRealTableName;
	}

	public String getClassName() {
		return persistentClass.getClassName();
	}

	public String getEntityOwnerClassName() {
		return getClassName();
	}

	public Table getTable() {
		return persistentClass.getTable();
	}

	public boolean isComponent() {
		return false;
	}

	public boolean isEntity() {
		return true;
	}

	public PersistentClass getPersistentClass() {
		return persistentClass;
	}

	public KeyValue getIdentifier() {
		return persistentClass.getIdentifier();
	}

	public boolean isOrWithinEmbeddedId() {
		return false;
	}
}

Other Hibernate examples (source code examples)

Here is a short list of links related to this Hibernate ClassPropertyHolder.java source code file:

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