| /* |
| * 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.testing.randomwalk; |
| |
| import org.apache.accumulo.core.client.AccumuloException; |
| import org.apache.accumulo.core.client.AccumuloSecurityException; |
| import org.apache.accumulo.core.client.MultiTableBatchWriter; |
| import org.apache.accumulo.testing.TestEnv; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The test environment that is available for randomwalk tests. This includes configuration |
| * properties that are available to any randomwalk test and facilities for creating client-side |
| * objects. This class is not thread-safe. |
| */ |
| public class RandWalkEnv extends TestEnv { |
| |
| private static final Logger log = LoggerFactory.getLogger(RandWalkEnv.class); |
| |
| private MultiTableBatchWriter mtbw = null; |
| |
| public RandWalkEnv(String testPropsPath, String clientPropsPath) { |
| super(testPropsPath, clientPropsPath); |
| } |
| |
| /** |
| * Gets a multitable batch writer. The same object is reused after the first call unless it is |
| * reset. |
| * |
| * @return multitable batch writer |
| * @throws NumberFormatException |
| * if any of the numeric batch writer configuration properties cannot be parsed |
| * @throws NumberFormatException |
| * if any configuration property cannot be parsed |
| */ |
| public MultiTableBatchWriter getMultiTableBatchWriter() |
| throws AccumuloException, AccumuloSecurityException { |
| if (mtbw == null) { |
| mtbw = getAccumuloClient().createMultiTableBatchWriter(); |
| } |
| return mtbw; |
| } |
| |
| /** |
| * Checks if a multitable batch writer has been created by this wrapper. |
| * |
| * @return true if multitable batch writer is already created |
| */ |
| public boolean isMultiTableBatchWriterInitialized() { |
| return mtbw != null; |
| } |
| |
| /** |
| * Clears the multitable batch writer previously created and remembered by this wrapper. |
| */ |
| public void resetMultiTableBatchWriter() { |
| if (mtbw == null) |
| return; |
| if (!mtbw.isClosed()) { |
| log.warn("Setting non-closed MultiTableBatchWriter to null (leaking resources)"); |
| } |
| mtbw = null; |
| } |
| } |