| /* |
| * 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.util; |
| |
| 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.dataflow.common.util.SerdeUtils; |
| import edu.uci.ics.hyracks.storage.am.btree.OrderedIndexTestContext; |
| import edu.uci.ics.hyracks.storage.am.btree.frames.BTreeLeafFrameType; |
| import edu.uci.ics.hyracks.storage.am.btree.impls.BTree; |
| import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndex; |
| import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache; |
| import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider; |
| |
| @SuppressWarnings("rawtypes") |
| public class BTreeTestContext extends OrderedIndexTestContext { |
| |
| public BTreeTestContext(ISerializerDeserializer[] fieldSerdes, ITreeIndex treeIndex) { |
| super(fieldSerdes, treeIndex); |
| } |
| |
| @Override |
| public int getKeyFieldCount() { |
| BTree btree = (BTree) index; |
| return btree.getComparatorFactories().length; |
| } |
| |
| @Override |
| public IBinaryComparatorFactory[] getComparatorFactories() { |
| BTree btree = (BTree) index; |
| return btree.getComparatorFactories(); |
| } |
| |
| public static BTreeTestContext create(IBufferCache bufferCache, IFileMapProvider fileMapProvider, |
| FileReference file, ISerializerDeserializer[] fieldSerdes, int numKeyFields, BTreeLeafFrameType leafType) |
| throws Exception { |
| ITypeTraits[] typeTraits = SerdeUtils.serdesToTypeTraits(fieldSerdes); |
| IBinaryComparatorFactory[] cmpFactories = SerdeUtils.serdesToComparatorFactories(fieldSerdes, numKeyFields); |
| BTree btree = BTreeUtils.createBTree(bufferCache, fileMapProvider, typeTraits, cmpFactories, leafType, file); |
| BTreeTestContext testCtx = new BTreeTestContext(fieldSerdes, btree); |
| return testCtx; |
| } |
| } |