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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/jpa2/MetamodelSynchronizer.java')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/jpa2/MetamodelSynchronizer.java | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/jpa2/MetamodelSynchronizer.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/jpa2/MetamodelSynchronizer.java deleted file mode 100644 index d3a1290ad1..0000000000 --- a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/jpa2/MetamodelSynchronizer.java +++ /dev/null @@ -1,93 +0,0 @@ -/******************************************************************************* - * 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.core.jpa2; - -import java.io.Serializable; - -/** - * JPA 2.0 Canonical Metamodel synchronizer. - * <p> - * Notes: - * <ul><li> - * When a JPA project is first created (e.g. when the user adds the JPA - * Facet to a Faceted project or when a workspace containing a JPA project is - * opened), if it is configured to generate the - * Canonical Metamodel (i.e. its metamodel source folder is non-null), it will - * first discover what metamodel classes are already present in the metamodel - * source folder. Any class appropriately annotated with - * <code>javax.persistence.metamodel.StaticMetamodel</code> - * and <code>javax.annotation.Generated</code> - * will be added to the Canonical Metamodel - * (see {@link org.eclipse.jpt.core.internal.resource.java.source.SourcePersistentType#isGeneratedMetamodel()}). - * Once the JPA project's context model is constructed, a new Canonical - * Metamodel is generated and merged with the classes already present in the - * metamodel source folder. - * </li><li> - * When a JPA project's metamodel source folder setting is cleared, the Canonical - * Metamodel is cleared from the context model, but the generated source files are - * left in place. - * </li><li> - * When a JPA project's metamodel source folder is set to a non-null value, - * like when a JPA project is first created, the resulting Canonical Metamodel - * will be merged with whatever is already present in the folder. - * </li></ul> - * <p> - * Provisional API: This interface is part of an interim API that is still - * under development and expected to change significantly before reaching - * stability. It is available at this early stage to solicit feedback from - * pioneering adopters on the understanding that any code that uses this API - * will almost certainly be broken (repeatedly) as the API evolves. - * - * @version 2.3 - * @since 2.3 - */ -public interface MetamodelSynchronizer { - - void initializeMetamodel(); - - void synchronizeMetamodel(); - - void disposeMetamodel(); - - - /** - * Singleton implemetation of the metamodel synchronizer interface that - * does nothing. (Not sure we need this....) - */ - final class Null implements MetamodelSynchronizer, Serializable { - public static final MetamodelSynchronizer INSTANCE = new Null(); - public static MetamodelSynchronizer instance() { - return INSTANCE; - } - // ensure single instance - private Null() { - super(); - } - public void initializeMetamodel() { - // do nothing - } - public void synchronizeMetamodel() { - // do nothing - } - public void disposeMetamodel() { - // do nothing - } - @Override - public String toString() { - return "MetamodelSynchronizer.Null"; //$NON-NLS-1$ - } - private static final long serialVersionUID = 1L; - private Object readResolve() { - // replace this object with the singleton - return INSTANCE; - } - } - -} |