RenderingTracker.java

/*
 * 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.
 */
package org.apache.tika.renderer;

/**
 * Use this in the ParseContext to keep track of unique ids for rendered
 * images in embedded docs. This should be used for the full parse of
 * a main document and its embedded document.
 *
 * This is different from RenderingState, which is used to track
 * rendering per file/per embedded doc.
 */
public class RenderingTracker {

    private int id = 0;

    public synchronized int getNextId() {
        return ++id;
    }
}