com.analog.lyric.benchmarking.utils.doublespace.ListIndexer.java Source code

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Here is the source code for com.analog.lyric.benchmarking.utils.doublespace.ListIndexer.java

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/*******************************************************************************
 *   Copyright 2014 Analog Devices, Inc.
 *
 *   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 com.analog.lyric.benchmarking.utils.doublespace;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import com.google.common.collect.Iterables;
import com.google.common.primitives.Ints;

class ListIndexer implements Indexer {
    private final List<Integer> _indexes;

    public ListIndexer(int... indexes) {
        _indexes = Ints.asList(indexes);
    }

    public ListIndexer(Iterable<Integer> indexes) {
        _indexes = new ArrayList<Integer>();
        Iterables.addAll(_indexes, indexes);
    }

    @Override
    public int getCardinality() {
        return _indexes.size();
    }

    @Override
    public int getNth(int n) {
        return _indexes.get(n);
    }

    @Override
    public Iterator<Integer> iterator() {
        return _indexes.iterator();
    }

}