| /* |
| * Copyright 2009-2013 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.lsm.rtree.util; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| import edu.uci.ics.hyracks.api.dataflow.value.IBinaryComparatorFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.api.dataflow.value.ITypeTraits; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| import edu.uci.ics.hyracks.api.io.FileReference; |
| import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils; |
| import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory; |
| import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex; |
| import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallback; |
| import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationScheduler; |
| import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMMergePolicy; |
| import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMOperationTracker; |
| import edu.uci.ics.hyracks.storage.am.lsm.common.api.IVirtualBufferCache; |
| import edu.uci.ics.hyracks.storage.am.lsm.rtree.impls.LSMRTree; |
| import edu.uci.ics.hyracks.storage.am.lsm.rtree.utils.LSMRTreeUtils; |
| import edu.uci.ics.hyracks.storage.am.rtree.AbstractRTreeTestContext; |
| import edu.uci.ics.hyracks.storage.am.rtree.RTreeCheckTuple; |
| import edu.uci.ics.hyracks.storage.am.rtree.frames.RTreePolicyType; |
| import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache; |
| import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider; |
| |
| @SuppressWarnings("rawtypes") |
| public final class LSMRTreeTestContext extends AbstractRTreeTestContext { |
| |
| public LSMRTreeTestContext(ISerializerDeserializer[] fieldSerdes, ITreeIndex treeIndex) throws HyracksDataException { |
| super(fieldSerdes, treeIndex); |
| } |
| |
| @Override |
| public int getKeyFieldCount() { |
| LSMRTree lsmTree = (LSMRTree) index; |
| return lsmTree.getComparatorFactories().length; |
| } |
| |
| /** |
| * Override to provide delete semantics for the check tuples. |
| */ |
| @Override |
| public void deleteCheckTuple(RTreeCheckTuple checkTuple, Collection<RTreeCheckTuple> checkTuples) { |
| while (checkTuples.remove(checkTuple)) { |
| } |
| } |
| |
| @Override |
| public IBinaryComparatorFactory[] getComparatorFactories() { |
| LSMRTree lsmTree = (LSMRTree) index; |
| return lsmTree.getComparatorFactories(); |
| } |
| |
| public static LSMRTreeTestContext create(List<IVirtualBufferCache> virtualBufferCaches, FileReference file, |
| IBufferCache diskBufferCache, IFileMapProvider diskFileMapProvider, ISerializerDeserializer[] fieldSerdes, |
| IPrimitiveValueProviderFactory[] valueProviderFactories, int numKeyFields, RTreePolicyType rtreePolicyType, |
| double bloomFilterFalsePositiveRate, ILSMMergePolicy mergePolicy, ILSMOperationTracker opTracker, |
| ILSMIOOperationScheduler ioScheduler, ILSMIOOperationCallback ioOpCallback) throws Exception { |
| ITypeTraits[] typeTraits = SerdeUtils.serdesToTypeTraits(fieldSerdes); |
| IBinaryComparatorFactory[] rtreeCmpFactories = SerdeUtils |
| .serdesToComparatorFactories(fieldSerdes, numKeyFields); |
| int numBtreeFields = fieldSerdes.length - numKeyFields; |
| ISerializerDeserializer[] btreeFieldSerdes = new ISerializerDeserializer[numBtreeFields]; |
| int[] btreeFields = new int[numBtreeFields]; |
| for (int i = 0; i < numBtreeFields; i++) { |
| btreeFields[i] = numKeyFields + i; |
| btreeFieldSerdes[i] = fieldSerdes[numKeyFields + i]; |
| } |
| IBinaryComparatorFactory[] btreeCmpFactories = SerdeUtils.serdesToComparatorFactories(btreeFieldSerdes, |
| numBtreeFields); |
| LSMRTree lsmTree = LSMRTreeUtils.createLSMTree(virtualBufferCaches, file, diskBufferCache, diskFileMapProvider, |
| typeTraits, rtreeCmpFactories, btreeCmpFactories, valueProviderFactories, rtreePolicyType, |
| bloomFilterFalsePositiveRate, mergePolicy, opTracker, ioScheduler, ioOpCallback, |
| LSMRTreeUtils.proposeBestLinearizer(typeTraits, rtreeCmpFactories.length), null, btreeFields, null, |
| null, null); |
| LSMRTreeTestContext testCtx = new LSMRTreeTestContext(fieldSerdes, lsmTree); |
| return testCtx; |
| } |
| } |