org.op4j.ognl.functions.OgnlExpressionMap Maven / Gradle / Ivy
/*
* =============================================================================
*
* Copyright (c) 2010, The OP4J team (http://www.op4j.org)
*
* 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.op4j.ognl.functions;
import java.io.Serializable;
import java.util.LinkedHashMap;
import java.util.Map;
/**
*
* @since 1.0
*
* @author Daniel Fernández
*
*/
class OgnlExpressionMap implements Serializable {
private static final long serialVersionUID = -8731592690564020322L;
public static final int SIZE = 20;
private final LinkedHashMap map;
public OgnlExpressionMap() {
this.map = new LinkedHashMap(SIZE + 2, 1.0f, true) {
private static final long serialVersionUID = 5321581238L;
@Override
protected boolean removeEldestEntry(final Map.Entry eldest) {
return size() > OgnlExpressionMap.SIZE;
}
};
}
public synchronized Object get(final String key) {
return this.map.get(key);
}
public synchronized void put(final String key, final Object value) {
this.map.put(key, value);
}
}