1 files changed, 0 insertions, 285 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/refactoring/AbstractJpaDeleteTypeParticipant.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/refactoring/AbstractJpaDeleteTypeParticipant.java
deleted file mode 100644
index 1eca9a11a7..0000000000
--- a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/refactoring/AbstractJpaDeleteTypeParticipant.java
+++ /dev/null
@@ -1,285 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 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.internal.refactoring;
-
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.mapping.IResourceChangeDescriptionFactory;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.OperationCanceledException;
-import org.eclipse.core.runtime.SubMonitor;
-import org.eclipse.jdt.core.IJavaProject;
-import org.eclipse.jdt.core.IType;
-import org.eclipse.jdt.core.JavaModelException;
-import org.eclipse.jpt.core.JpaProject;
-import org.eclipse.jpt.core.JpaProjectManager;
-import org.eclipse.jpt.core.JptCorePlugin;
-import org.eclipse.jpt.core.context.persistence.MappingFileRef;
-import org.eclipse.jpt.core.context.persistence.Persistence;
-import org.eclipse.jpt.core.context.persistence.PersistenceUnit;
-import org.eclipse.jpt.core.context.persistence.PersistenceXml;
-import org.eclipse.jpt.utility.internal.CollectionTools;
-import org.eclipse.jpt.utility.internal.iterables.CompositeIterable;
-import org.eclipse.jpt.utility.internal.iterables.FilteringIterable;
-import org.eclipse.jpt.utility.internal.iterables.TransformationIterable;
-import org.eclipse.ltk.core.refactoring.Change;
-import org.eclipse.ltk.core.refactoring.CompositeChange;
-import org.eclipse.ltk.core.refactoring.RefactoringStatus;
-import org.eclipse.ltk.core.refactoring.TextChange;
-import org.eclipse.ltk.core.refactoring.TextFileChange;
-import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
-import org.eclipse.ltk.core.refactoring.participants.DeleteParticipant;
-import org.eclipse.ltk.core.refactoring.participants.ResourceChangeChecker;
-import org.eclipse.text.edits.DeleteEdit;
-import org.eclipse.text.edits.MalformedTreeException;
-import org.eclipse.text.edits.MultiTextEdit;
-import org.eclipse.text.edits.TextEdit;
-
-
-public abstract class AbstractJpaDeleteTypeParticipant
-	extends DeleteParticipant
-{
-
-	/**
-	 * Store all the types that are going to be deleted including nestedTypes.
-	 */
-	protected final Set<IType> allTypes;
-
-	/**
-	 * Store the persistence.xml DeleteEdits in the checkConditions() call 
-	 * to avoid duplicated effort in createChange().
-	 */
-	protected final Map<IFile, Iterable<DeleteEdit>> persistenceXmlDeleteEdits;
-
-	/**
-	 * Store the mapping file DeleteEdits in the checkConditions() call 
-	 * to avoid duplicated effort in createChange().
-	 */
-	protected final Map<IFile, Iterable<DeleteEdit>> mappingFilePersistentTypeDeleteEdits;
-
-	protected AbstractJpaDeleteTypeParticipant() {
-		super();
-		this.allTypes = new HashSet<IType>();
-		this.persistenceXmlDeleteEdits = new HashMap<IFile, Iterable<DeleteEdit>>();
-		this.mappingFilePersistentTypeDeleteEdits = new HashMap<IFile, Iterable<DeleteEdit>>();
-	}
-	
-	/**
-	 * Nested types are not added to the deleteParticipant when the parent is deleted.
-	 * We must handle them in case they are mapped.
-	 */
-	protected void addType(IType type) {
-		this.allTypes.add(type);
-		this.addNestedTypes(type);
-	}
-
-	private void addNestedTypes(IType type) {
-		IType[] nestedTypes;
-		try {
-			nestedTypes = type.getTypes();
-		}
-		catch (JavaModelException ex) {
-			JptCorePlugin.log(ex);
-			return;
-		}
-
-		for (IType nestedType : nestedTypes) {
-			this.addType(nestedType);
-		}
-	}
-
-	//**************** RefactoringParticipant implementation *****************
-
-	/**
-	 * Inform the refactoring processor of any files that are going to change. In the process of determining
-	 * this go ahead and build up the appropriate DeleteEdits to be used in the createChange()
-	 */
-	@Override
-	public RefactoringStatus checkConditions(IProgressMonitor monitor, CheckConditionsContext context) throws OperationCanceledException {
-		//since the progress bar will hang if a large JPA project is being loaded, 
-		//we can at least set the subtask and report no progress. Only happens first time getJpaProjectManager() is called.
-		monitor.subTask(JpaCoreRefactoringMessages.JPA_REFACORING_PARTICIPANT_LOADING_JPA_PROJECTS_SUB_TASK_NAME);
-		JpaProjectManager jpaProjectManager = JptCorePlugin.getJpaProjectManager();
-		if (jpaProjectManager.getJpaProjectsSize() == 0) {
-			return null;
-		}
-		SubMonitor sm = SubMonitor.convert(monitor, jpaProjectManager.getJpaProjectsSize()*10 + 2);
-		sm.subTask(this.getCheckConditionsSubTaskName());
-		ResourceChangeChecker checker = (ResourceChangeChecker) context.getChecker(ResourceChangeChecker.class);
-		IResourceChangeDescriptionFactory deltaFactory = checker.getDeltaFactory();
-		
-		for (JpaProject jpaProject : jpaProjectManager.getJpaProjects()) {
-			this.createDeleteEdits(sm.newChild(10), jpaProject);
-		}
-		if (sm.isCanceled()) {
-			throw new OperationCanceledException();
-		}
-		for (IFile file : this.persistenceXmlDeleteEdits.keySet()) {
-			deltaFactory.change(file);
-		}
-		sm.worked(1);
-		for (IFile file : this.mappingFilePersistentTypeDeleteEdits.keySet()) {
-			deltaFactory.change(file);
-		}
-		sm.worked(1);
-		
-		return null;
-	}
-
-	/**
-	 * This will be appended to the main refactoring task named : 'Checking preconditions...'
-	 */
-	protected String getCheckConditionsSubTaskName() {
-		return JpaCoreRefactoringMessages.JPA_DELETE_TYPE_REFACTORING_SUB_TASK_NAME;
-	}
-
-	@Override
-	public Change createChange(IProgressMonitor monitor) throws CoreException, OperationCanceledException {
-		if (this.persistenceXmlDeleteEdits.isEmpty() && this.mappingFilePersistentTypeDeleteEdits.isEmpty()) {
-			return null;
-		}
-		SubMonitor sm = SubMonitor.convert(monitor, this.persistenceXmlDeleteEdits.size() + this.mappingFilePersistentTypeDeleteEdits.size());
-		sm.subTask(this.getCreateChangeSubTaskName());
-		CompositeChange compositeChange = new CompositeChange(JpaCoreRefactoringMessages.JPA_DELETE_TYPE_REFACTORING_CHANGE_NAME);
-		for (IFile persistenceXmlFile : this.persistenceXmlDeleteEdits.keySet()) {
-			this.addPersistenceXmlDeleteTypeChange(persistenceXmlFile, compositeChange);
-			sm.worked(1);
-		}
-		for (IFile mappingFile : this.mappingFilePersistentTypeDeleteEdits.keySet()) {
-			if (sm.isCanceled()) {
-				throw new OperationCanceledException();
-			}
-			this.addMappingFileDeleteTypeChange(mappingFile, compositeChange);
-			sm.worked(1);
-		}
-		//must check for children in case all changes were made in other participant's TextChanges, 
-		//want to return null so our node does not appear in the preview tree
-		return compositeChange.getChildren().length == 0 ? null : compositeChange;
-	}
-	
-	/**
-	 * This will be appended to the main refactoring task named : 'Creating workspace modifications...'
-	 */
-	protected String getCreateChangeSubTaskName() {
-		return JpaCoreRefactoringMessages.JPA_DELETE_TYPE_REFACTORING_SUB_TASK_NAME;
-	}
-
-	protected void createDeleteEdits(IProgressMonitor monitor, JpaProject jpaProject) throws OperationCanceledException {
-		PersistenceUnit persistenceUnit = getPersistenceUnit(jpaProject);
-		if (persistenceUnit == null) {
-			return;
-		}
-		SubMonitor sm = SubMonitor.convert(monitor, 1 + persistenceUnit.mappingFileRefsSize());
-		Iterable<DeleteEdit> persistenceXmlDeleteEdits = this.createPersistenceXmlDeleteEdits(persistenceUnit);
-		if (!CollectionTools.isEmpty(persistenceXmlDeleteEdits)) {
-			this.persistenceXmlDeleteEdits.put(jpaProject.getPersistenceXmlResource().getFile(), persistenceXmlDeleteEdits);
-		}
-		sm.worked(1);
-		for (MappingFileRef mappingFileRef : CollectionTools.iterable(persistenceUnit.mappingFileRefs())) {
-			if (sm.isCanceled()) {
-				throw new OperationCanceledException();
-			}
-			Iterable<DeleteEdit> mappingFileDeleteEdits = this.createMappingFileDeleteTypeEdits(mappingFileRef);
-			if (!CollectionTools.isEmpty(mappingFileDeleteEdits)) {
-				this.mappingFilePersistentTypeDeleteEdits.put((IFile) mappingFileRef.getMappingFile().getResource(), mappingFileDeleteEdits);
-			}
-			sm.worked(1);
-		}
-	}
-
-	protected Iterable<DeleteEdit> createPersistenceXmlDeleteEdits(final PersistenceUnit persistenceUnit) {
-		return new CompositeIterable<DeleteEdit>(
-			new TransformationIterable<IType, Iterable<DeleteEdit>>(this.getTypesOnClasspath(persistenceUnit.getJpaProject())) {
-				@Override
-				protected Iterable<DeleteEdit> transform(IType type) {
-					return persistenceUnit.createDeleteTypeEdits(type);
-				}
-			}
-		);
-	}
-
-	protected Iterable<IType> getTypesOnClasspath(final JpaProject jpaProject) {
-		final IJavaProject javaProject = jpaProject.getJavaProject();
-		return new FilteringIterable<IType>(this.allTypes) {
-			@Override
-			protected boolean accept(IType type) {
-				return javaProject.isOnClasspath(type);
-			}
-		};
-	}
-
-	protected void addPersistenceXmlDeleteTypeChange(IFile persistenceXmlFile, CompositeChange compositeChange) {
-		Iterable<DeleteEdit> deleteTypeEdits = this.persistenceXmlDeleteEdits.get(persistenceXmlFile);
-
-		TextChange textChange = getTextChange(persistenceXmlFile);
-		if (textChange == null) {
-			textChange = new TextFileChange(JpaCoreRefactoringMessages.JPA_DELETE_TYPE_REFACTORING_CHANGE_PERSISTENCE_XML_NAME, persistenceXmlFile);
-			//TODO probably need to figure out TextEditGroups since these can be used to show check boxes under the file in the preview dialog
-			//also used to add edits to existing changes??
-			MultiTextEdit multiTextEdit = new MultiTextEdit();
-			textChange.setEdit(multiTextEdit);
-//			textChange.addTextEditGroup(new TextEditGroup("edit persistence unit", multiTextEdit));???
-			compositeChange.add(textChange);
-		}
-		this.addEdits(textChange, deleteTypeEdits);
-	}
-
-	private Iterable<DeleteEdit> createMappingFileDeleteTypeEdits(final MappingFileRef mappingFileRef) {
-		return new CompositeIterable<DeleteEdit>(
-			new TransformationIterable<IType, Iterable<DeleteEdit>>(this.getTypesOnClasspath(mappingFileRef.getJpaProject())) {
-				@Override
-				protected Iterable<DeleteEdit> transform(IType type) {
-					return mappingFileRef.createDeleteTypeEdits(type);
-				}
-			}
-		);
-	}
-	
-	protected void addMappingFileDeleteTypeChange(IFile mappingFile, CompositeChange compositeChange) {
-		Iterable<DeleteEdit> deleteTypeEdits = this.mappingFilePersistentTypeDeleteEdits.get(mappingFile);
-
-		TextChange textChange = getTextChange(mappingFile);
-		if (textChange == null) {
-			textChange = new TextFileChange(JpaCoreRefactoringMessages.JPA_DELETE_TYPE_REFACTORING_CHANGE_MAPPING_FILE_NAME, mappingFile);
-			MultiTextEdit multiTextEdit = new MultiTextEdit();
-			textChange.setEdit(multiTextEdit);
-			compositeChange.add(textChange);
-		}
-		this.addEdits(textChange, deleteTypeEdits);
-	}
-
-	private PersistenceUnit getPersistenceUnit(JpaProject jpaProject) {
-		PersistenceXml persistenceXml = jpaProject.getRootContextNode().getPersistenceXml();
-		Persistence persistence = persistenceXml.getPersistence();
-		if (persistence == null) {
-			return null;
-		}
-		if (persistence.persistenceUnitsSize() != 1) {
-			return null;  // the context model currently only supports 1 persistence unit
-		}
-		return persistence.persistenceUnits().next();		
-	}
-
-	private void addEdits(TextChange textChange, Iterable<? extends TextEdit> textEdits) {
-		for (TextEdit textEdit : textEdits) {
-			try {
-				textChange.addEdit(textEdit);
-			}
-			catch (MalformedTreeException ex) {
-				//log exception and don't add this persistence.xml type deletion to the conflicting change object
-				JptCorePlugin.log(ex);
-			}
-		}
-	}
-}
-\ No newline at end of file