| /* |
| * 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.lsm.common.impls; |
| |
| import java.util.List; |
| import java.util.Set; |
| import java.util.function.Predicate; |
| |
| import org.apache.hyracks.api.exceptions.HyracksDataException; |
| import org.apache.hyracks.data.std.api.IValueReference; |
| import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor; |
| import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference; |
| import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference; |
| import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation; |
| import org.apache.hyracks.storage.am.lsm.common.api.IFrameOperationCallback; |
| import org.apache.hyracks.storage.am.lsm.common.api.IFrameTupleProcessor; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMDiskComponent; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor; |
| import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext; |
| import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType; |
| import org.apache.hyracks.storage.common.IIndexCursor; |
| import org.apache.hyracks.storage.common.ISearchPredicate; |
| |
| public class LSMTreeIndexAccessor implements ILSMIndexAccessor { |
| @FunctionalInterface |
| public interface ICursorFactory { |
| IIndexCursor create(ILSMIndexOperationContext ctx); |
| } |
| |
| protected final ILSMHarness lsmHarness; |
| protected final ILSMIndexOperationContext ctx; |
| protected final ICursorFactory cursorFactory; |
| private boolean destroyed = false; |
| |
| public LSMTreeIndexAccessor(ILSMHarness lsmHarness, ILSMIndexOperationContext ctx, ICursorFactory cursorFactory) { |
| this.lsmHarness = lsmHarness; |
| this.ctx = ctx; |
| this.cursorFactory = cursorFactory; |
| } |
| |
| public ILSMIndexOperationContext getCtx() { |
| return ctx; |
| } |
| |
| @Override |
| public void insert(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.INSERT); |
| lsmHarness.modify(ctx, false, tuple); |
| } |
| |
| @Override |
| public void update(ITupleReference tuple) throws HyracksDataException { |
| // Update is the same as insert. |
| ctx.setOperation(IndexOperation.UPDATE); |
| lsmHarness.modify(ctx, false, tuple); |
| } |
| |
| @Override |
| public void delete(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.DELETE); |
| lsmHarness.modify(ctx, false, tuple); |
| } |
| |
| @Override |
| public void upsert(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.UPSERT); |
| lsmHarness.modify(ctx, false, tuple); |
| } |
| |
| @Override |
| public boolean tryInsert(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.INSERT); |
| return lsmHarness.modify(ctx, true, tuple); |
| } |
| |
| @Override |
| public boolean tryDelete(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.DELETE); |
| return lsmHarness.modify(ctx, true, tuple); |
| } |
| |
| @Override |
| public boolean tryUpdate(ITupleReference tuple) throws HyracksDataException { |
| // Update is the same as insert. |
| ctx.setOperation(IndexOperation.UPDATE); |
| return lsmHarness.modify(ctx, true, tuple); |
| } |
| |
| @Override |
| public boolean tryUpsert(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.UPSERT); |
| return lsmHarness.modify(ctx, true, tuple); |
| } |
| |
| @Override |
| public void search(IIndexCursor cursor, ISearchPredicate searchPred) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.SEARCH); |
| lsmHarness.search(ctx, cursor, searchPred); |
| } |
| |
| @Override |
| public void flush(ILSMIOOperation operation) throws HyracksDataException { |
| lsmHarness.flush(operation); |
| } |
| |
| @Override |
| public void merge(ILSMIOOperation operation) throws HyracksDataException { |
| lsmHarness.merge(operation); |
| } |
| |
| @Override |
| public void physicalDelete(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.PHYSICALDELETE); |
| lsmHarness.modify(ctx, false, tuple); |
| } |
| |
| @Override |
| public ILSMIOOperation scheduleFlush() throws HyracksDataException { |
| ctx.setOperation(IndexOperation.FLUSH); |
| return lsmHarness.scheduleFlush(ctx); |
| } |
| |
| @Override |
| public ILSMIOOperation scheduleMerge(List<ILSMDiskComponent> components) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.MERGE); |
| ctx.getComponentsToBeMerged().clear(); |
| ctx.getComponentsToBeMerged().addAll(components); |
| return lsmHarness.scheduleMerge(ctx); |
| } |
| |
| @Override |
| public void scheduleReplication(List<ILSMDiskComponent> lsmComponents, LSMOperationType opType) |
| throws HyracksDataException { |
| ctx.setOperation(IndexOperation.REPLICATE); |
| ctx.getComponentsToBeReplicated().clear(); |
| ctx.getComponentsToBeReplicated().addAll(lsmComponents); |
| lsmHarness.scheduleReplication(ctx, lsmComponents, opType); |
| } |
| |
| @Override |
| public ILSMIOOperation scheduleFullMerge() throws HyracksDataException { |
| ctx.setOperation(IndexOperation.FULL_MERGE); |
| return lsmHarness.scheduleFullMerge(ctx); |
| } |
| |
| @Override |
| public void forcePhysicalDelete(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.PHYSICALDELETE); |
| lsmHarness.forceModify(ctx, tuple); |
| } |
| |
| @Override |
| public void forceInsert(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.INSERT); |
| lsmHarness.forceModify(ctx, tuple); |
| } |
| |
| @Override |
| public void forceUpsert(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.UPSERT); |
| lsmHarness.forceModify(ctx, tuple); |
| } |
| |
| @Override |
| public void forceDelete(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.DELETE); |
| lsmHarness.forceModify(ctx, tuple); |
| } |
| |
| @Override |
| public void updateMeta(IValueReference key, IValueReference value) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.UPSERT); |
| lsmHarness.updateMeta(ctx, key, value); |
| } |
| |
| @Override |
| public void forceUpdateMeta(IValueReference key, IValueReference value) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.UPSERT); |
| lsmHarness.forceUpdateMeta(ctx, key, value); |
| } |
| |
| @Override |
| public IIndexCursor createSearchCursor(boolean exclusive) { |
| return cursorFactory.create(ctx); |
| } |
| |
| @Override |
| public void updateFilter(ITupleReference tuple) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.UPSERT); |
| lsmHarness.updateFilter(ctx, tuple); |
| } |
| |
| public void batchOperate(FrameTupleAccessor accessor, FrameTupleReference tuple, IFrameTupleProcessor processor, |
| IFrameOperationCallback frameOpCallback, Set<Integer> tuples) throws HyracksDataException { |
| lsmHarness.batchOperate(ctx, accessor, tuple, processor, frameOpCallback, tuples); |
| } |
| |
| @Override |
| public void scanDiskComponents(IIndexCursor cursor) throws HyracksDataException { |
| ctx.setOperation(IndexOperation.DISK_COMPONENT_SCAN); |
| lsmHarness.scanDiskComponents(ctx, cursor); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + ':' + lsmHarness.toString(); |
| } |
| |
| @Override |
| public void deleteComponents(Predicate<ILSMComponent> predicate) throws HyracksDataException { |
| lsmHarness.deleteComponents(ctx, predicate); |
| } |
| |
| @Override |
| public ILSMIndexOperationContext getOpContext() { |
| return ctx; |
| } |
| |
| @Override |
| public void destroy() throws HyracksDataException { |
| if (destroyed) { |
| return; |
| } |
| destroyed = true; |
| ctx.destroy(); |
| } |
| } |