| /* |
| * 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.accumulo.core.client.impl; |
| |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| |
| import org.apache.accumulo.core.client.BatchDeleter; |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.BatchWriterConfig; |
| import org.apache.accumulo.core.client.IteratorSetting; |
| import org.apache.accumulo.core.client.MutationsRejectedException; |
| import org.apache.accumulo.core.client.TableNotFoundException; |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.core.iterators.SortedKeyIterator; |
| import org.apache.accumulo.core.security.Authorizations; |
| import org.apache.accumulo.core.security.ColumnVisibility; |
| |
| public class TabletServerBatchDeleter extends TabletServerBatchReader implements BatchDeleter { |
| |
| private final ClientContext context; |
| private Table.ID tableId; |
| private BatchWriterConfig bwConfig; |
| |
| public TabletServerBatchDeleter(ClientContext context, Table.ID tableId, |
| Authorizations authorizations, int numQueryThreads, BatchWriterConfig bwConfig) |
| throws TableNotFoundException { |
| super(context, tableId, authorizations, numQueryThreads); |
| this.context = context; |
| this.tableId = tableId; |
| this.bwConfig = bwConfig; |
| super.addScanIterator(new IteratorSetting(Integer.MAX_VALUE, |
| BatchDeleter.class.getName().replaceAll("[.]", "_") + "_NOVALUE", SortedKeyIterator.class)); |
| } |
| |
| @Override |
| public void delete() throws MutationsRejectedException, TableNotFoundException { |
| BatchWriter bw = null; |
| try { |
| bw = new BatchWriterImpl(context, tableId, bwConfig); |
| Iterator<Entry<Key,Value>> iter = super.iterator(); |
| while (iter.hasNext()) { |
| Entry<Key,Value> next = iter.next(); |
| Key k = next.getKey(); |
| Mutation m = new Mutation(k.getRow()); |
| m.putDelete(k.getColumnFamily(), k.getColumnQualifier(), |
| new ColumnVisibility(k.getColumnVisibility()), k.getTimestamp()); |
| bw.addMutation(m); |
| } |
| } finally { |
| if (bw != null) |
| bw.close(); |
| } |
| } |
| |
| } |