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package org.apache.velocity.runtime;
/*
* 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.
*/
import org.apache.velocity.runtime.parser.Parser;
/**
* Provides instances of parsers as needed. get() will return a new parser if
* available. If a parser is acquired from the pool, put() should be called
* with that parser to make it available again for reuse.
*
* @author <a href="mailto:sergek@lokitech.com">Serge Knystautas</a>
* @version $Id: RuntimeInstance.java 384374 2006-03-08 23:19:30Z nbubna $
* @since 1.5
*/
public interface ParserPool
{
/**
* Initialize the pool so that it can begin serving parser instances.
* @param svc
*/
void initialize(RuntimeServices svc);
/**
* Retrieve an instance of a parser pool.
* @return A parser object.
*/
Parser get();
/**
* Return the parser to the pool so that it may be reused.
* @param parser
*/
void put(Parser parser);
}
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