| /* |
| * 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.lsm.btree.util; |
| |
| import java.util.Collection; |
| |
| 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.io.FileReference; |
| import edu.uci.ics.hyracks.control.nc.io.IOManager; |
| import edu.uci.ics.hyracks.dataflow.common.util.SerdeUtils; |
| import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext; |
| import edu.uci.ics.hyracks.storage.am.common.CheckTuple; |
| import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex; |
| import edu.uci.ics.hyracks.storage.am.lsm.btree.impls.LSMBTree; |
| import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackProvider; |
| 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.common.buffercache.IBufferCache; |
| import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider; |
| |
| @SuppressWarnings("rawtypes") |
| public final class LSMBTreeTestContext extends OrderedIndexTestContext { |
| |
| public LSMBTreeTestContext(ISerializerDeserializer[] fieldSerdes, ITreeIndex treeIndex) { |
| super(fieldSerdes, treeIndex); |
| } |
| |
| @Override |
| public int getKeyFieldCount() { |
| LSMBTree lsmTree = (LSMBTree) index; |
| return lsmTree.getComparatorFactories().length; |
| } |
| |
| @Override |
| public IBinaryComparatorFactory[] getComparatorFactories() { |
| LSMBTree lsmTree = (LSMBTree) index; |
| return lsmTree.getComparatorFactories(); |
| } |
| |
| /** |
| * Override to provide upsert semantics for the check tuples. |
| */ |
| @Override |
| public void insertCheckTuple(CheckTuple checkTuple, Collection<CheckTuple> checkTuples) { |
| upsertCheckTuple(checkTuple, checkTuples); |
| } |
| |
| public static LSMBTreeTestContext create(IVirtualBufferCache virtualBufferCache, IOManager ioManager, |
| FileReference file, IBufferCache diskBufferCache, IFileMapProvider diskFileMapProvider, |
| ISerializerDeserializer[] fieldSerdes, int numKeyFields, double bloomFilterFalsePositiveRate, |
| ILSMMergePolicy mergePolicy, ILSMOperationTracker opTracker, ILSMIOOperationScheduler ioScheduler, |
| ILSMIOOperationCallbackProvider ioOpCallbackProvider, int ioDeviceId) throws Exception { |
| ITypeTraits[] typeTraits = SerdeUtils.serdesToTypeTraits(fieldSerdes); |
| IBinaryComparatorFactory[] cmpFactories = SerdeUtils.serdesToComparatorFactories(fieldSerdes, numKeyFields); |
| int[] bloomFilterKeyFields = new int[numKeyFields]; |
| for (int i = 0; i < numKeyFields; ++i) { |
| bloomFilterKeyFields[i] = i; |
| } |
| LSMBTree lsmTree = LSMBTreeUtils.createLSMTree(virtualBufferCache, ioManager, file, diskBufferCache, |
| diskFileMapProvider, typeTraits, cmpFactories, bloomFilterKeyFields, bloomFilterFalsePositiveRate, |
| mergePolicy, opTracker, ioScheduler, ioOpCallbackProvider, ioDeviceId); |
| LSMBTreeTestContext testCtx = new LSMBTreeTestContext(fieldSerdes, lsmTree); |
| return testCtx; |
| } |
| } |