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/*
 * Copyright 2007 Yusuke Yamamoto
 *
 * 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 twitter4jads.internal.json;

/**
 * @author Yusuke Yamamoto - yusuke at mac.com
 */
abstract class EntityIndex implements Comparable, java.io.Serializable {
    private static final long serialVersionUID = 3864336402689899384L;
    private int start = -1;
    private int end = -1;

    @Override
    public int compareTo(EntityIndex that) {
        long delta = this.start - that.start;
        if (delta < Integer.MIN_VALUE) {
            return Integer.MIN_VALUE;
        } else if (delta > Integer.MAX_VALUE) {
            return Integer.MAX_VALUE;
        }
        return (int) delta;
    }

    void setStart(int start) {
        this.start = start;
    }

    void setEnd(int end) {
        this.end = end;
    }

    int getStart() {
        return start;
    }

    int getEnd() {
        return end;
    }
}