+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.jcr;
+
+import javax.jcr.Value;
+
+import org.argeo.ArgeoException;
+
+/** The result of the comparison of two JCR properties. */
+public class PropertyDiff {
+ public final static Integer MODIFIED = 0;
+ public final static Integer ADDED = 1;
+ public final static Integer REMOVED = 2;
+
+ private final Integer type;
+ private final String relPath;
+ private final Value referenceValue;
+ private final Value newValue;
+
+ public PropertyDiff(Integer type, String relPath, Value referenceValue,
+ Value newValue) {
+ super();
+
+ if (type == MODIFIED) {
+ if (referenceValue == null || newValue == null)
+ throw new ArgeoException(
+ "Reference and new values must be specified.");
+ } else if (type == ADDED) {
+ if (referenceValue != null || newValue == null)
+ throw new ArgeoException(
+ "New value and only it must be specified.");
+ } else if (type == REMOVED) {
+ if (referenceValue == null || newValue != null)
+ throw new ArgeoException(
+ "Reference value and only it must be specified.");
+ } else {
+ throw new ArgeoException("Unkown diff type " + type);
+ }
+
+ if (relPath == null)
+ throw new ArgeoException("Relative path must be specified");
+
+ this.type = type;
+ this.relPath = relPath;
+ this.referenceValue = referenceValue;
+ this.newValue = newValue;
+ }
+
+ public Integer getType() {
+ return type;
+ }
+
+ public String getRelPath() {
+ return relPath;
+ }
+
+ public Value getReferenceValue() {
+ return referenceValue;
+ }
+
+ public Value getNewValue() {
+ return newValue;
+ }
+
+}