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A simple reliable, persistent queue.

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/*
 * 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.javakaffee.simplequeue;

/**
 * A queue consumer, ca be used for {@link RichBDBQueue#consume(Consumer)}.
 * 
 * Created on Jun 27, 2011
 *
 * @author Martin Grotzke (initial creation)
 */
public interface Consumer {
    
    /**
     * Consume the given item.
     * @param item the item to handle.
     * @return true if the item was processed successfully and shall be removed from the queue.
     */
    boolean consume(T item);
    
}