/*
 * Copyright 2009-2010 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.btree.multithread;

import java.util.ArrayList;

import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexMultiThreadTest;
import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType;
import edu.uci.ics.hyracks.storage.am.btree.util.BTreeTestHarness;
import edu.uci.ics.hyracks.storage.am.btree.util.BTreeUtils;
import edu.uci.ics.hyracks.storage.am.common.IIndexTestWorkerFactory;
import edu.uci.ics.hyracks.storage.am.common.TestOperationSelector.TestOperation;
import edu.uci.ics.hyracks.storage.am.common.TestWorkloadConf;
import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex;
import edu.uci.ics.hyracks.storage.am.common.api.TreeIndexException;
import edu.uci.ics.hyracks.storage.am.common.datagen.ProbabilityHelper;

public class BTreeMultiThreadTest extends OrderedIndexMultiThreadTest {

    private final BTreeTestHarness harness = new BTreeTestHarness();
    private final BTreeTestWorkerFactory workerFactory = new BTreeTestWorkerFactory();

    @Override
    protected void setUp() throws HyracksDataException {
        harness.setUp();
    }

    @Override
    protected void tearDown() throws HyracksDataException {
        harness.tearDown();
    }

    @Override
    protected ITreeIndex createIndex(ITypeTraits[] typeTraits, IBinaryComparatorFactory[] cmpFactories,
            int[] bloomFilterKeyFields) throws TreeIndexException {
        return BTreeUtils.createBTree(harness.getBufferCache(), harness.getFileMapProvider(), typeTraits, cmpFactories,
                BTreeLeafFrameType.REGULAR_NSM, harness.getFileReference());
    }

    @Override
    protected IIndexTestWorkerFactory getWorkerFactory() {
        return workerFactory;
    }

    @Override
    protected ArrayList<TestWorkloadConf> getTestWorkloadConf() {
        ArrayList<TestWorkloadConf> workloadConfs = new ArrayList<TestWorkloadConf>();

        // Insert only workload.
        TestOperation[] insertOnlyOps = new TestOperation[] { TestOperation.INSERT };
        workloadConfs.add(new TestWorkloadConf(insertOnlyOps, ProbabilityHelper
                .getUniformProbDist(insertOnlyOps.length)));

        // Inserts mixed with point searches and scans.
        TestOperation[] insertSearchOnlyOps = new TestOperation[] { TestOperation.INSERT, TestOperation.POINT_SEARCH,
                TestOperation.SCAN, TestOperation.DISKORDER_SCAN };
        workloadConfs.add(new TestWorkloadConf(insertSearchOnlyOps, ProbabilityHelper
                .getUniformProbDist(insertSearchOnlyOps.length)));

        // Inserts, updates, deletes, and upserts.        
        TestOperation[] insertDeleteUpdateUpsertOps = new TestOperation[] { TestOperation.INSERT, TestOperation.DELETE,
                TestOperation.UPDATE, TestOperation.UPSERT };
        workloadConfs.add(new TestWorkloadConf(insertDeleteUpdateUpsertOps, ProbabilityHelper
                .getUniformProbDist(insertDeleteUpdateUpsertOps.length)));

        // All operations mixed.
        TestOperation[] allOps = new TestOperation[] { TestOperation.INSERT, TestOperation.DELETE,
                TestOperation.UPDATE, TestOperation.UPSERT, TestOperation.POINT_SEARCH, TestOperation.SCAN,
                TestOperation.DISKORDER_SCAN };
        workloadConfs.add(new TestWorkloadConf(allOps, ProbabilityHelper.getUniformProbDist(allOps.length)));

        return workloadConfs;
    }

    @Override
    protected String getIndexTypeName() {
        return "BTree";
    }
}