Java tutorial
package org.apache.helix.api.config; /* * 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. */ import java.util.Map; import java.util.Set; import org.apache.helix.api.id.PartitionId; import org.apache.helix.model.Message; import com.google.common.collect.ImmutableMap; public class SchedulerTaskConfig { // TODO refactor using Transition logical model private final Map<String, Integer> _transitionTimeoutMap; private final Map<PartitionId, Message> _innerMessageMap; public SchedulerTaskConfig(Map<String, Integer> transitionTimeoutMap, Map<PartitionId, Message> innerMsgMap) { _transitionTimeoutMap = ImmutableMap.copyOf(transitionTimeoutMap); _innerMessageMap = ImmutableMap.copyOf(innerMsgMap); } /** * Get inner message for a partition * @param partitionId * @return inner message */ public Message getInnerMessage(PartitionId partitionId) { return _innerMessageMap.get(partitionId); } /** * Get timeout for a transition * @param transition * @return timeout or -1 if not available */ public int getTransitionTimeout(String transition) { Integer timeout = _transitionTimeoutMap.get(transition); if (timeout == null) { return -1; } return timeout; } /** * Get timeout for an inner message * @param transition * @param partitionId * @return timeout or -1 if not available */ public int getTimeout(String transition, PartitionId partitionId) { Integer timeout = getTransitionTimeout(transition); if (timeout == null) { Message innerMessage = getInnerMessage(partitionId); timeout = innerMessage.getTimeout(); } return timeout; } /** * Get partition-id set * @return partition-id set */ public Set<PartitionId> getPartitionSet() { return _innerMessageMap.keySet(); } }