| /* |
| * 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.phoenix.index; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.hbase.client.Mutation; |
| import org.apache.phoenix.cache.IndexMetaDataCache; |
| import org.apache.phoenix.coprocessor.BaseScannerRegionObserver; |
| import org.apache.phoenix.coprocessor.BaseScannerRegionObserver.ReplayWrite; |
| import org.apache.phoenix.hbase.index.covered.IndexMetaData; |
| import org.apache.phoenix.transaction.PhoenixTransactionContext; |
| |
| public class PhoenixIndexMetaData implements IndexMetaData { |
| private final Map<String, byte[]> attributes; |
| private final IndexMetaDataCache indexMetaDataCache; |
| private final ReplayWrite replayWrite; |
| private final boolean isImmutable; |
| private final boolean hasNonPkColumns; |
| private final boolean hasLocalIndexes; |
| |
| public static boolean isIndexRebuild(Map<String,byte[]> attributes) { |
| return attributes.get(BaseScannerRegionObserver.REPLAY_WRITES) |
| == BaseScannerRegionObserver.REPLAY_INDEX_REBUILD_WRITES; |
| } |
| |
| public static ReplayWrite getReplayWrite(Map<String,byte[]> attributes) { |
| return ReplayWrite.fromBytes(attributes.get(BaseScannerRegionObserver.REPLAY_WRITES)); |
| } |
| |
| public PhoenixIndexMetaData(IndexMetaDataCache indexMetaDataCache, Map<String, byte[]> attributes) throws IOException { |
| this.indexMetaDataCache = indexMetaDataCache; |
| boolean isImmutable = true; |
| boolean hasNonPkColumns = false; |
| boolean hasLocalIndexes = false; |
| for (IndexMaintainer maintainer : indexMetaDataCache.getIndexMaintainers()) { |
| isImmutable &= maintainer.isImmutableRows(); |
| hasNonPkColumns |= !maintainer.getIndexedColumns().isEmpty(); |
| hasLocalIndexes |= maintainer.isLocalIndex(); |
| } |
| this.isImmutable = isImmutable; |
| this.hasNonPkColumns = hasNonPkColumns; |
| this.attributes = attributes; |
| this.replayWrite = getReplayWrite(attributes); |
| this.hasLocalIndexes = hasLocalIndexes; |
| } |
| |
| public PhoenixTransactionContext getTransactionContext() { |
| return indexMetaDataCache.getTransactionContext(); |
| } |
| |
| public List<IndexMaintainer> getIndexMaintainers() { |
| return indexMetaDataCache.getIndexMaintainers(); |
| } |
| |
| public Map<String, byte[]> getAttributes() { |
| return attributes; |
| } |
| |
| public int getClientVersion() { |
| return indexMetaDataCache.getClientVersion(); |
| } |
| |
| @Override |
| public ReplayWrite getReplayWrite() { |
| return replayWrite; |
| } |
| |
| public boolean isImmutableRows() { |
| return isImmutable; |
| } |
| |
| public boolean hasLocalIndexes() { |
| return hasLocalIndexes; |
| } |
| |
| @Override |
| public boolean requiresPriorRowState(Mutation m) { |
| return !isImmutable || (indexMetaDataCache.getIndexMaintainers().get(0).isRowDeleted(m) && hasNonPkColumns); |
| } |
| } |