| /* |
| * Copyright 2009-2012 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.common.dataflow; |
| |
| import edu.uci.ics.hyracks.api.context.IHyracksTaskContext; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.IIndexOperatorDescriptor; |
| import edu.uci.ics.hyracks.storage.am.common.dataflow.IndexDataflowHelper; |
| 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.ILSMOperationTrackerFactory; |
| |
| public abstract class AbstractLSMIndexDataflowHelper extends IndexDataflowHelper { |
| |
| protected static int DEFAULT_MEM_PAGE_SIZE = 32768; |
| protected static int DEFAULT_MEM_NUM_PAGES = 1000; |
| |
| protected final int memPageSize; |
| protected final int memNumPages; |
| |
| protected final ILSMMergePolicy mergePolicy; |
| protected final ILSMIOOperationScheduler ioScheduler; |
| protected final ILSMOperationTrackerFactory opTrackerFactory; |
| protected final ILSMIOOperationCallbackProvider ioOpCallbackProvider; |
| |
| public AbstractLSMIndexDataflowHelper(IIndexOperatorDescriptor opDesc, IHyracksTaskContext ctx, int partition, |
| ILSMMergePolicy mergePolicy, ILSMOperationTrackerFactory opTrackerFactory, |
| ILSMIOOperationScheduler ioScheduler, ILSMIOOperationCallbackProvider ioOpCallbackProvider) { |
| this(opDesc, ctx, partition, DEFAULT_MEM_PAGE_SIZE, DEFAULT_MEM_NUM_PAGES, mergePolicy, opTrackerFactory, |
| ioScheduler, ioOpCallbackProvider); |
| } |
| |
| public AbstractLSMIndexDataflowHelper(IIndexOperatorDescriptor opDesc, IHyracksTaskContext ctx, int partition, |
| int memPageSize, int memNumPages, ILSMMergePolicy mergePolicy, |
| ILSMOperationTrackerFactory opTrackerFactory, ILSMIOOperationScheduler ioScheduler, |
| ILSMIOOperationCallbackProvider ioOpCallbackProvider) { |
| super(opDesc, ctx, partition); |
| this.memPageSize = memPageSize; |
| this.memNumPages = memNumPages; |
| this.mergePolicy = mergePolicy; |
| this.opTrackerFactory = opTrackerFactory; |
| this.ioScheduler = ioScheduler; |
| this.ioOpCallbackProvider = ioOpCallbackProvider; |
| } |
| } |