/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.yoko.rmi.util;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
public class NodeleteSynchronizedMap implements Map {
Map global;
ThreadLocal local = new ThreadLocal() {
public Object initialValue() {
return NodeleteSynchronizedMap.this.initialValue();
}
};
public NodeleteSynchronizedMap() {
global = Collections.synchronizedMap(initialValue());
}
private Map localMap() {
return (Map) local.get();
}
public int size() {
return global.size();
}
public boolean isEmpty() {
return global.isEmpty();
}
public boolean containsKey(java.lang.Object key) {
Map local = localMap();
if (local.containsKey(key)) {
return true;
}
if (global.containsKey(key)) {
local.put(key, global.get(key));
return true;
} else {
return false;
}
}
public boolean containsValue(java.lang.Object val) {
Map local = localMap();
if (local.containsValue(val)) {
return true;
}
return global.containsValue(val);
}
public java.lang.Object get(java.lang.Object key) {
Map local = localMap();
Object val = local.get(key);
if (val != null)
return val;
if (local.containsKey(key)) {
return null;
}
val = global.get(key);
if (val != null) {
local.put(key, val);
}
return val;
}
public boolean equals(java.lang.Object other) {
return global.equals(other);
}
public int hashCode() {
return global.hashCode();
}
public java.util.Set keySet() {
return global.keySet();
}
public java.util.Collection values() {
return global.values();
}
public java.util.Set entrySet() {
return global.entrySet();
}
public java.lang.Object put(java.lang.Object key, java.lang.Object val) {
return global.put(key, val);
}
public java.lang.Object remove(java.lang.Object key) {
throw new UnsupportedOperationException();
}
public void putAll(java.util.Map other) {
global.putAll(other);
}
public void clear() {
throw new UnsupportedOperationException();
}
public Map initialValue() {
return new HashMap();
}
}