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the hasor DataQL project.

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/*
 * Copyright 2008-2009 the original author or authors.
 *
 * 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 net.hasor.dataql.domain.compiler;
/**
 * Label
 * @author 赵永春([email protected])
 * @version : 2017-03-23
 */
public class Label {
    private String  labelID;
    private Integer index;
    Label(int labelID) {
        this.labelID = "label_" + labelID;
    }
    //
    public String getID() {
        return this.labelID;
    }
    public Integer getIndex() {
        return this.index;
    }
    //
    @Override
    public String toString() {
        return this.index == null ? "null" : this.index.toString();
    }
    void updateIndex(int index) {
        this.index = index;
    }
}