AbstractMasterNodeZkTest.java

/**
 * Copyright 2008 the original author or authors.
 *
 * 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 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 net.sf.katta.operation.master;

import java.io.File;
import java.util.Collections;
import java.util.List;
import java.util.Set;

import net.sf.katta.AbstractZkTest;
import net.sf.katta.master.DefaultDistributionPolicy;
import net.sf.katta.master.Master;
import net.sf.katta.master.MasterContext;
import net.sf.katta.node.Node;
import net.sf.katta.operation.node.ShardDeployOperation;
import net.sf.katta.protocol.InteractionProtocol;
import net.sf.katta.protocol.NodeQueue;
import net.sf.katta.testutil.Mocks;
import net.sf.katta.testutil.TestResources;
import net.sf.katta.util.ZkConfiguration;

public abstract class AbstractMasterNodeZkTest extends AbstractZkTest {

  protected static final List EMPTY_LIST = Collections.EMPTY_LIST;

  protected InteractionProtocol _protocol = _zk.getInteractionProtocol();
  protected Master _master = Mocks.mockMaster();
  protected MasterContext _context = new MasterContext(_protocol, _master, new DefaultDistributionPolicy(), _protocol
          .publishMaster(_master));

  protected File _indexFile = TestResources.INDEX1;
  protected String _indexName = _indexFile.getName();
  protected String _indexPath = _indexFile.getAbsolutePath();
  protected int _shardCount = _indexFile.listFiles().length;

  protected ZkConfiguration getZkConf() {
    return _protocol.getZkConfiguration();
  }

  protected void deployIndexWithError() throws Exception {
    IndexDeployOperation deployOperation = new IndexDeployOperation(_indexName, _indexPath, 3);
    deployOperation.execute(_context, EMPTY_LIST);
    deployOperation.nodeOperationsComplete(_context, Collections.EMPTY_LIST);
  }

  protected void deployIndex(List<Node> nodes, List<NodeQueue> nodeQueues) throws Exception {
    IndexDeployOperation deployOperation = new IndexDeployOperation(_indexName, _indexPath, 3);
    deployOperation.execute(_context, EMPTY_LIST);
    publisShards(nodes, nodeQueues);
    deployOperation.nodeOperationsComplete(_context, Collections.EMPTY_LIST);
  }

  protected void publisShards(List<Node> nodes, List<NodeQueue> nodeQueues) throws InterruptedException {
    for (int i = 0; i < nodes.size(); i++) {
      publisShard(nodes.get(i), nodeQueues.get(i));
    }
  }

  protected void publisShard(Node node, NodeQueue nodeQueue) throws InterruptedException {
    Set<String> shardNames = ((ShardDeployOperation) nodeQueue.remove()).getShardNames();
    for (String shardName : shardNames) {
      _protocol.publishShard(node, shardName);
    }
  }

}