/**
* 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 storm.trident.operation;
import java.util.HashMap;
import java.util.Map;
import com.alibaba.jstorm.utils.JStormUtils;
import backtype.storm.Config;
import backtype.storm.topology.ResourceDeclarer;
import backtype.storm.utils.Utils;
/**
* @param T Must always be the type of the extending class. i.e.
* public class SubResourceDeclarer extends DefaultResourceDeclarer<SubResourceDeclarer> {...}
*/
public class DefaultResourceDeclarer<T extends DefaultResourceDeclarer> implements ResourceDeclarer<T>, ITridentResource {
private Map<String, Number> resources = new HashMap<>();
private Map conf = Utils.readStormConfig();
@Override
public T setMemoryLoad(Number onHeap) {
return setMemoryLoad(onHeap, JStormUtils.parseDouble(conf.get(Config.TOPOLOGY_COMPONENT_RESOURCES_OFFHEAP_MEMORY_MB)));
}
@Override
public T setMemoryLoad(Number onHeap, Number offHeap) {
if (onHeap != null) {
onHeap = onHeap.doubleValue();
resources.put(Config.TOPOLOGY_COMPONENT_RESOURCES_ONHEAP_MEMORY_MB, onHeap);
}
if (offHeap!=null) {
offHeap = offHeap.doubleValue();
resources.put(Config.TOPOLOGY_COMPONENT_RESOURCES_OFFHEAP_MEMORY_MB, offHeap);
}
return (T)this;
}
@Override
public T setCPULoad(Number amount) {
if(amount != null) {
amount = amount.doubleValue();
resources.put(Config.TOPOLOGY_COMPONENT_CPU_PCORE_PERCENT, amount);
}
return (T)this;
}
@Override
public Map<String, Number> getResources() {
return new HashMap<String, Number>(resources);
}
}