de.odysseus.el.tree.TreeCache Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of juel-impl Show documentation

There is a newer version: 2.2.7

/*
 * Copyright 2006-2009 Odysseus Software 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 de.odysseus.el.tree;

/**
 * Tree cache interface.
 * A tree cache holds expression trees by expression strings. A tree cache implementation
 * must be thread-safe.
 *
 * @author Christoph Beck
 */
public interface TreeCache {
	/**
	 * Lookup tree
	 */
	public Tree get(String expression);

	/**
	 * Cache tree
	 */
	public void put(String expression, Tree tree);
}