abstractcontextclosehandler.java

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/*
 * Copyright 2007 Tim Peierls
 *
 * 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.directwebremoting.guice;

/**
 * A partially implemented handler for objects contained in contexts that 
 * are closing. Concrete extensions of this class only have to define 
 * {@code close} and have a constructor that calls {@code super(T.class)}.
 * @author Tim Peierls [tim at peierls dot net]
 */
public abstract class AbstractContextCloseHandler<T> implements ContextCloseHandler<T>
{   
    protected AbstractContextCloseHandler(Class<T> type)
    {
        this.type = type;
    }
    
    public abstract void close(T object) throws Exception;
    
    public Class<T> type()
    {
        return type;
    }
    
    private final Class<T> type;
}