io.nosqlbench.engine.api.activityapi.cyclelog.buffers.results.CycleResultsIntervalSegment Maven / Gradle / Ivy

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The engine API for nosqlbench; Provides the interfaces needed to build internal modules for the nosqlbench core engine

There is a newer version: 5.17.0

/*
 *
 *    Copyright 2016 jshook
 *    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 io.nosqlbench.engine.api.activityapi.cyclelog.buffers.results;



import java.util.Arrays;
import java.util.Iterator;

/**
 * This is just a typed-data holder for efficient transfer of tracked data.
 * It holds a base cycle value, and a byte array view of result values.
 */
public class CycleResultsIntervalSegment implements CycleResultsSegment {

    /**
     * The base cycle value, the minimum cycle in the segment.
     */
    public long cycle;

    /**
     * A view of status codes in byte form.
     */
    public byte[] codes;

    public static CycleResultsIntervalSegment forData(long cycle, byte[] buffer, int offset, int len) {
        CycleResultsIntervalSegment s = new CycleResultsIntervalSegment();
        s.cycle = cycle;
        s.codes = Arrays.copyOfRange(buffer,offset,offset+len);
        return s;
    }

    public static CycleResultsIntervalSegment forData(long cycle, byte[] buffer) {
        CycleResultsIntervalSegment s = new CycleResultsIntervalSegment();
        s.cycle=cycle;
        s.codes = buffer;
        return s;
    }


    @Override
    public Iterator iterator() {
        return new CycleSegmentIterator();
    }

    @Override
    public long getCount() {
        return codes.length;
    }

    @Override
    public long getMinCycle() {
        return cycle;
    }


    private class CycleSegmentIterator implements Iterator {

        private int index=0;

        @Override
        public boolean hasNext() {
            return (index© 2015 - 2024 Weber Informatics LLC | Privacy Policy