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Topologies.java
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Topologies.java
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/**
* 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 backtype.storm.scheduler;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
public class Topologies {
Map<String, TopologyDetails> topologies;
Map<String, String> nameToId;
public Topologies(Map<String, TopologyDetails> topologies) {
if(topologies==null) topologies = new HashMap();
this.topologies = new HashMap<String, TopologyDetails>(topologies.size());
this.topologies.putAll(topologies);
this.nameToId = new HashMap<String, String>(topologies.size());
for (String topologyId : topologies.keySet()) {
TopologyDetails topology = topologies.get(topologyId);
this.nameToId.put(topology.getName(), topologyId);
}
}
public TopologyDetails getById(String topologyId) {
return this.topologies.get(topologyId);
}
public TopologyDetails getByName(String topologyName) {
String topologyId = this.nameToId.get(topologyName);
if (topologyId == null) {
return null;
} else {
return this.getById(topologyId);
}
}
public Collection<TopologyDetails> getTopologies() {
return this.topologies.values();
}
}