1 files changed, 225 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/context/java/AbstractJavaGenerator.java b/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/context/java/AbstractJavaGenerator.java
new file mode 100644
index 0000000000..cc79849d49
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.jpa.core/src/org/eclipse/jpt/jpa/core/internal/context/java/AbstractJavaGenerator.java
@@ -0,0 +1,225 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 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.java;
+
+import org.eclipse.jdt.core.dom.CompilationUnit;
+import org.eclipse.jpt.common.core.utility.TextRange;
+import org.eclipse.jpt.jpa.core.context.Generator;
+import org.eclipse.jpt.jpa.core.context.java.JavaGenerator;
+import org.eclipse.jpt.jpa.core.context.java.JavaJpaContextNode;
+import org.eclipse.jpt.jpa.core.internal.context.MappingTools;
+import org.eclipse.jpt.jpa.core.resource.java.GeneratorAnnotation;
+import org.eclipse.jpt.jpa.db.Catalog;
+import org.eclipse.jpt.jpa.db.Schema;
+import org.eclipse.jpt.jpa.db.SchemaContainer;
+
+/**
+ * Java sequence or table generator
+ */
+public abstract class AbstractJavaGenerator<A extends GeneratorAnnotation>
+	extends AbstractJavaJpaContextNode
+	implements JavaGenerator
+{
+	protected final A generatorAnnotation;
+
+	protected String name;
+
+	protected Integer specifiedInitialValue;
+	protected int defaultInitialValue;
+
+	protected Integer specifiedAllocationSize;
+	protected int defaultAllocationSize;
+
+
+	protected AbstractJavaGenerator(JavaJpaContextNode parent, A generatorAnnotation) {
+		super(parent);
+		this.generatorAnnotation = generatorAnnotation;
+		this.name = generatorAnnotation.getName();
+		this.specifiedInitialValue =  generatorAnnotation.getInitialValue();
+		this.specifiedAllocationSize = generatorAnnotation.getAllocationSize();
+	}
+
+
+	// ********** synchronize/update **********
+
+	@Override
+	public void synchronizeWithResourceModel() {
+		super.synchronizeWithResourceModel();
+		this.setName_(this.generatorAnnotation.getName());
+		this.setSpecifiedInitialValue_(this.generatorAnnotation.getInitialValue());
+		this.setSpecifiedAllocationSize_(this.generatorAnnotation.getAllocationSize());
+	}
+
+	@Override
+	public void update() {
+		super.update();
+		this.setDefaultInitialValue(this.buildDefaultInitialValue());
+		this.setDefaultAllocationSize(this.buildDefaultAllocationSize());
+		this.getPersistenceUnit().addGenerator(this);
+	}
+	
+
+	// ********** name **********
+
+	public String getName() {
+		return this.name;
+	}
+
+	public void setName(String name) {
+		this.generatorAnnotation.setName(name);
+		this.setName_(name);
+	}
+
+	protected void setName_(String name) {
+		String old = this.name;
+		this.name = name;
+		this.firePropertyChanged(NAME_PROPERTY, old, name);
+	}
+
+
+	// ********** initial value **********
+
+	public int getInitialValue() {
+		return (this.specifiedInitialValue != null) ? this.specifiedInitialValue.intValue() : this.defaultInitialValue;
+	}
+
+	public Integer getSpecifiedInitialValue() {
+		return this.specifiedInitialValue;
+	}
+
+	public void setSpecifiedInitialValue(Integer value) {
+		this.generatorAnnotation.setInitialValue(value);
+		this.setSpecifiedInitialValue_(value);
+	}
+
+	protected void setSpecifiedInitialValue_(Integer value) {
+		Integer old = this.specifiedInitialValue;
+		this.specifiedInitialValue = value;
+		this.firePropertyChanged(SPECIFIED_INITIAL_VALUE_PROPERTY, old, value);
+	}
+
+	public int getDefaultInitialValue() {
+		return this.defaultInitialValue;
+	}
+	
+	protected void setDefaultInitialValue(int value) {
+		int old = this.defaultInitialValue;
+		this.defaultInitialValue = value;
+		this.firePropertyChanged(DEFAULT_INITIAL_VALUE_PROPERTY, old, value);
+	}
+
+	protected abstract int buildDefaultInitialValue();
+	
+
+	// ********** allocation size **********
+
+	public int getAllocationSize() {
+		return (this.specifiedAllocationSize != null) ? this.specifiedAllocationSize.intValue() : this.defaultAllocationSize;
+	}
+
+	public Integer getSpecifiedAllocationSize() {
+		return this.specifiedAllocationSize;
+	}
+
+	public void setSpecifiedAllocationSize(Integer size) {
+		this.generatorAnnotation.setAllocationSize(size);
+		this.setSpecifiedAllocationSize_(size);
+	}
+
+	protected void setSpecifiedAllocationSize_(Integer size) {
+		Integer old = this.specifiedAllocationSize;
+		this.specifiedAllocationSize = size;
+		this.firePropertyChanged(SPECIFIED_ALLOCATION_SIZE_PROPERTY, old, size);
+	}
+
+	public int getDefaultAllocationSize() {
+		return this.defaultAllocationSize;
+	}
+	
+	protected void setDefaultAllocationSize(int size) {
+		int old = this.defaultAllocationSize;
+		this.defaultAllocationSize = size;
+		this.firePropertyChanged(DEFAULT_ALLOCATION_SIZE_PROPERTY, old, size);
+	}
+
+	protected int buildDefaultAllocationSize() {
+		return DEFAULT_ALLOCATION_SIZE;
+	}
+	
+
+	// ********** text ranges **********
+
+	public TextRange getValidationTextRange(CompilationUnit astRoot) {
+		return this.getSelectionTextRange(astRoot);
+	}
+
+	public TextRange getSelectionTextRange(CompilationUnit astRoot) {
+		return this.generatorAnnotation.getTextRange(astRoot);
+	}
+
+	public TextRange getNameTextRange(CompilationUnit astRoot) {
+		return this.generatorAnnotation.getNameTextRange(astRoot);
+	}
+
+
+	// ********** database stuff **********
+
+	public Schema getDbSchema() {
+		SchemaContainer dbSchemaContainer = this.getDbSchemaContainer();
+		return (dbSchemaContainer == null) ? null : dbSchemaContainer.getSchemaForIdentifier(this.getSchema());
+	}
+
+	/**
+	 * If we don't have a catalog (i.e. we don't even have a <em>default</em> catalog),
+	 * then the database probably does not support catalogs; and we need to
+	 * get the schema directly from the database.
+	 */
+	public SchemaContainer getDbSchemaContainer() {
+		String catalog = this.getCatalog();
+		return (catalog != null) ? this.resolveDbCatalog(catalog) : this.getDatabase();
+	}
+
+	protected abstract String getSchema();
+
+	/**
+	 * If we don't have a catalog (i.e. we don't even have a <em>default</em>
+	 * catalog), then the database probably does not support catalogs.
+	 */
+	public Catalog getDbCatalog() {
+		String catalog = this.getCatalog();
+		return (catalog == null) ? null : this.resolveDbCatalog(catalog);
+	}
+
+	protected abstract String getCatalog();
+
+
+	// ********** JpaNamedContextNode implementation **********
+
+	public boolean overrides(Generator other) {
+		return MappingTools.nodeOverrides(this, other, PRECEDENCE_TYPE_LIST);
+	}
+
+	public boolean duplicates(Generator other) {
+		return MappingTools.nodesAreDuplicates(this, other);
+	}
+
+
+	// ********** misc **********
+
+	public A getGeneratorAnnotation() {
+		return this.generatorAnnotation;
+	}
+
+	@Override
+	public void toString(StringBuilder sb) {
+		sb.append(this.name);
+	}
+
+}