1 files changed, 115 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/context/orm/AbstractOrmXmlDefinition.java b/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/context/orm/AbstractOrmXmlDefinition.java
new file mode 100644
index 0000000000..97b9f47aac
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/context/orm/AbstractOrmXmlDefinition.java
@@ -0,0 +1,115 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2010 Oracle. All rights reserved.
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0, which accompanies this distribution
+ * and is available at http://www.eclipse.org/legal/epl-v10.html.
+ *
+ * Contributors:
+ *     Oracle - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.jpt.jpa.core.internal.context.orm;
+
+import java.util.ArrayList;
+
+import org.eclipse.jpt.common.utility.internal.Tools;
+import org.eclipse.jpt.jpa.core.context.orm.OrmAttributeMappingDefinition;
+import org.eclipse.jpt.jpa.core.context.orm.OrmTypeMappingDefinition;
+import org.eclipse.jpt.jpa.core.context.orm.OrmXmlContextNodeFactory;
+import org.eclipse.jpt.jpa.core.context.orm.OrmXmlDefinition;
+import org.eclipse.jpt.jpa.core.context.orm.UnsupportedOrmAttributeMappingDefinition;
+
+/**
+ * All the state in the definition should be "static"
+ * (i.e. unchanging once it is initialized).
+ */
+public abstract class AbstractOrmXmlDefinition
+	implements OrmXmlDefinition
+{
+	protected final OrmXmlContextNodeFactory factory;
+
+	protected ArrayList<OrmTypeMappingDefinition> typeMappingDefinitions;
+
+	protected ArrayList<OrmAttributeMappingDefinition> attributeMappingDefinitions;
+
+
+	/**
+	 * zero-argument constructor
+	 */
+	protected AbstractOrmXmlDefinition() {
+		super();
+		this.factory = this.buildContextNodeFactory();
+	}
+
+
+	// ********** factory **********
+
+	protected abstract OrmXmlContextNodeFactory buildContextNodeFactory();
+
+	public OrmXmlContextNodeFactory getContextNodeFactory() {
+		return this.factory;
+	}
+
+
+	// ********** type mapping definitions **********
+
+	public OrmTypeMappingDefinition getTypeMappingDefinition(String mappingKey) {
+		for (OrmTypeMappingDefinition definition : this.getTypeMappingDefinitions()) {
+			if (Tools.valuesAreEqual(definition.getKey(), mappingKey)) {
+				return definition;
+			}
+		}
+		throw new IllegalArgumentException("Illegal type mapping key: " + mappingKey); //$NON-NLS-1$
+	}
+
+	/**
+	 * Return a list of mapping definitions to use for types in
+	 * <code>orm.xml</code> mapping files.
+	 * The order is unimportant.
+	 */
+	protected synchronized ArrayList<OrmTypeMappingDefinition> getTypeMappingDefinitions() {
+		if (this.typeMappingDefinitions == null) {
+			this.typeMappingDefinitions = this.buildTypeMappingDefinitions();
+		}
+		return this.typeMappingDefinitions;
+	}
+
+	protected ArrayList<OrmTypeMappingDefinition> buildTypeMappingDefinitions() {
+		ArrayList<OrmTypeMappingDefinition> definitions = new ArrayList<OrmTypeMappingDefinition>();
+		this.addTypeMappingDefinitionsTo(definitions);
+		return definitions;
+	}
+
+	protected abstract void addTypeMappingDefinitionsTo(ArrayList<OrmTypeMappingDefinition> definitions);
+
+
+	// ********** attribute mapping definitions **********
+
+	public OrmAttributeMappingDefinition getAttributeMappingDefinition(String mappingKey) {
+		for (OrmAttributeMappingDefinition definition : this.getAttributeMappingDefinitions()) {
+			if (Tools.valuesAreEqual(definition.getKey(), mappingKey)) {
+				return definition;
+			}
+		}
+		return UnsupportedOrmAttributeMappingDefinition.instance();
+	}
+
+	/**
+	 * Return a list of mapping definitions to use for attributes in
+	 * <code>orm.xml</code> mapping files.
+	 * The order is unimportant.
+	 */
+	protected synchronized ArrayList<OrmAttributeMappingDefinition> getAttributeMappingDefinitions() {
+		if (this.attributeMappingDefinitions == null) {
+			this.attributeMappingDefinitions = this.buildAttributeMappingDefinitions();
+		}
+		return this.attributeMappingDefinitions;
+	}
+
+	protected ArrayList<OrmAttributeMappingDefinition> buildAttributeMappingDefinitions() {
+		ArrayList<OrmAttributeMappingDefinition> definitions = new ArrayList<OrmAttributeMappingDefinition>();
+		this.addAttributeMappingDefinitionsTo(definitions);
+		return definitions;
+	}
+
+	protected abstract void addAttributeMappingDefinitionsTo(ArrayList<OrmAttributeMappingDefinition> definitions);
+}