| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 at |
| * |
| * 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 org.apache.hyracks.storage.am.btree; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.TreeSet; |
| |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.storage.am.btree.impls.BTree.BTreeAccessor; |
| import org.apache.hyracks.storage.am.btree.impls.DiskBTree; |
| import org.apache.hyracks.storage.am.btree.util.BTreeTestHarness; |
| import org.apache.hyracks.storage.am.common.TestOperationCallback; |
| import org.apache.hyracks.storage.am.common.api.IMetadataPageManager; |
| import org.apache.hyracks.storage.am.common.freepage.LinkedMetaDataPageManager; |
| import org.apache.hyracks.storage.am.common.impls.IndexAccessParameters; |
| import org.apache.hyracks.storage.am.common.test.IIndexCursorTest; |
| import org.apache.hyracks.storage.common.IIndexAccessor; |
| import org.apache.hyracks.storage.common.IIndexCursor; |
| import org.apache.hyracks.storage.common.ISearchPredicate; |
| import org.apache.hyracks.storage.common.buffercache.IBufferCache; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| |
| public class DiskBTreePointSearchCursorTest extends IIndexCursorTest { |
| private static final BTreeTestHarness harness = new BTreeTestHarness(); |
| private static DiskBTree btree; |
| |
| @BeforeClass |
| public static void setup() throws HyracksDataException { |
| harness.setUp(); |
| IBufferCache bufferCache = harness.getBufferCache(); |
| IMetadataPageManager freePageManager = |
| new LinkedMetaDataPageManager(bufferCache, BTreeSearchCursorTest.META_FRAME_FACTORY); |
| btree = new DiskBTree(bufferCache, freePageManager, BTreeSearchCursorTest.INTERIOR_FRAME_FACTORY, |
| BTreeSearchCursorTest.LEAF_FRAME_FACTORY, BTreeSearchCursorTest.CMP_FACTORIES, |
| BTreeSearchCursorTest.FIELD_COUNT, harness.getFileReference()); |
| btree.create(); |
| btree.activate(); |
| |
| TreeSet<Integer> uniqueKeys = new TreeSet<>(); |
| ArrayList<Integer> keys = new ArrayList<>(); |
| // generate keys |
| int numKeys = 50; |
| int maxKey = 1000; |
| while (uniqueKeys.size() < numKeys) { |
| int key = BTreeSearchCursorTest.RANDOM.nextInt() % maxKey; |
| uniqueKeys.add(key); |
| } |
| for (Integer i : uniqueKeys) { |
| keys.add(i); |
| } |
| DiskBTreeSearchCursorTest.bulkLoadBTree(keys, btree); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws HyracksDataException { |
| try { |
| btree.deactivate(); |
| btree.destroy(); |
| } finally { |
| harness.tearDown(); |
| } |
| } |
| |
| @Override |
| protected List<ISearchPredicate> createSearchPredicates() throws HyracksDataException { |
| List<ISearchPredicate> predicates = new ArrayList<>(); |
| int minKey = -10; |
| int maxKey = 10; |
| for (int i = minKey; i < maxKey; i++) { |
| int lowKey = i; |
| int highKey = i; |
| predicates.add(BTreeSearchCursorTest.createRangePredicate(lowKey, highKey, true, true)); |
| } |
| return predicates; |
| } |
| |
| @Override |
| protected IIndexAccessor createAccessor() throws Exception { |
| IndexAccessParameters actx = |
| new IndexAccessParameters(TestOperationCallback.INSTANCE, TestOperationCallback.INSTANCE); |
| return btree.createAccessor(actx); |
| } |
| |
| @Override |
| protected IIndexCursor createCursor(IIndexAccessor accessor) { |
| return ((BTreeAccessor) accessor).createPointCursor(false, false); |
| } |
| } |