/* * 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.harness; import org.apache.accumulo.minicluster.impl.MiniAccumuloConfigImpl; import org.apache.hadoop.conf.Configuration; /** * Callback interface to inject configuration into the MiniAccumuloCluster or Hadoop core-site.xml file used by the MiniAccumuloCluster */ public interface MiniClusterConfigurationCallback { public static class NoCallback implements MiniClusterConfigurationCallback { private NoCallback() {} @Override public void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration coreSite) { return; } } public static final MiniClusterConfigurationCallback NO_CALLBACK = new NoCallback(); void configureMiniCluster(MiniAccumuloConfigImpl cfg, Configuration coreSite); }