hyracks/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/datagen/SortedDoubleFieldValueGenerator.java

/*
 * Copyright 2009-2012 by The Regents of the University of California
 * 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 from
 * 
 *     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 edu.uci.ics.hyracks.storage.am.common.datagen;

public class SortedDoubleFieldValueGenerator implements IFieldValueGenerator<Double> {
    private double val;
    private final double startVal;
    
    public SortedDoubleFieldValueGenerator() {
        startVal = 0.0d;
        reset();
    }
    
    public SortedDoubleFieldValueGenerator(double startVal) {
        this.startVal = startVal;
        reset();
    }
    
    @Override
    public Double next() {
        return val++;
    }

    @Override
    public void reset() {
        val = startVal;        
    }
}