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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/Transformer.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/Transformer.java69
1 files changed, 0 insertions, 69 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/Transformer.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/Transformer.java
deleted file mode 100644
index 75e4cc0839..0000000000
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/Transformer.java
+++ /dev/null
@@ -1,69 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2005, 2007 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.utility.internal;
-
-/**
- * Used by various "pluggable" classes to transform objects.
- * Transform an object of type T1 to an object of type T2.
- */
-public interface Transformer<T1, T2> {
-
- /**
- * Return the transformed object.
- * The semantics of "transform" is determined by the
- * contract between the client and the server.
- */
- T2 transform(T1 o);
-
-
- final class Null<S1, S2> implements Transformer<S1, S2> {
- @SuppressWarnings("unchecked")
- public static final Transformer INSTANCE = new Null();
- @SuppressWarnings("unchecked")
- public static <R1, R2> Transformer<R1, R2> instance() {
- return INSTANCE;
- }
- // ensure single instance
- private Null() {
- super();
- }
- // simply return the object, unchanged
- @SuppressWarnings("unchecked")
- public S2 transform(S1 o) {
- return (S2) o;
- }
- @Override
- public String toString() {
- return "Transformer.Null";
- }
- }
-
- final class Disabled<S1, S2> implements Transformer<S1, S2> {
- @SuppressWarnings("unchecked")
- public static final Transformer INSTANCE = new Disabled();
- @SuppressWarnings("unchecked")
- public static <R1, R2> Transformer<R1, R2> instance() {
- return INSTANCE;
- }
- // ensure single instance
- private Disabled() {
- super();
- }
- // throw an exception
- public S2 transform(S1 o) {
- throw new UnsupportedOperationException();
- }
- @Override
- public String toString() {
- return "Transformer.Disabled";
- }
- }
-
-}

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