hyracks/hyracks-storage-am-rtree/src/main/java/edu/uci/ics/hyracks/storage/am/rtree/dataflow/RTreeSearchOperatorDescriptor.java

/*
 * 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.rtree.dataflow;

import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
import edu.uci.ics.hyracks.api.dataflow.IOperatorNodePushable;
import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory;
import edu.uci.ics.hyracks.api.dataflow.value.IRecordDescriptorProvider;
import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits;
import edu.uci.ics.hyracks.api.dataflow.value.RecordDescriptor;
import edu.uci.ics.hyracks.api.job.IOperatorDescriptorRegistry;
import edu.uci.ics.hyracks.dataflow.std.file.IFileSplitProvider;
import edu.uci.ics.hyracks.storage.am.common.api.IIndexLifecycleManagerProvider;
import edu.uci.ics.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
import edu.uci.ics.hyracks.storage.am.common.dataflow.AbstractTreeIndexOperatorDescriptor;
import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexDataflowHelperFactory;
import edu.uci.ics.hyracks.storage.am.common.impls.NoOpOperationCallbackFactory;
import edu.uci.ics.hyracks.storage.common.IStorageManagerInterface;
import edu.uci.ics.hyracks.storage.common.file.NoOpLocalResourceFactoryProvider;

public class RTreeSearchOperatorDescriptor extends AbstractTreeIndexOperatorDescriptor {

    private static final long serialVersionUID = 1L;

    protected int[] keyFields; // fields in input tuple to be used as keys

    public RTreeSearchOperatorDescriptor(IOperatorDescriptorRegistry spec, RecordDescriptor recDesc,
            IStorageManagerInterface storageManager, IIndexLifecycleManagerProvider lifecycleManagerProvider,
            IFileSplitProvider fileSplitProvider, ITypeTraits[] typeTraits,
            IBinaryComparatorFactory[] comparatorFactories, int[] keyFields,
            IIndexDataflowHelperFactory dataflowHelperFactory, boolean retainInput,
            ISearchOperationCallbackFactory searchOpCallbackFactory) {
        super(spec, 1, 1, recDesc, storageManager, lifecycleManagerProvider, fileSplitProvider, typeTraits,
                comparatorFactories, null, dataflowHelperFactory, null, retainInput,
                NoOpLocalResourceFactoryProvider.INSTANCE, searchOpCallbackFactory,
                NoOpOperationCallbackFactory.INSTANCE);

        this.keyFields = keyFields;
    }

    @Override
    public IOperatorNodePushable createPushRuntime(final IHyracksTaskContext ctx,
            IRecordDescriptorProvider recordDescProvider, int partition, int nPartitions) {
        return new RTreeSearchOperatorNodePushable(this, ctx, partition, recordDescProvider, keyFields);
    }
}