/**
* 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 com.alibaba.jstorm.client;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.json.simple.JSONAware;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import backtype.storm.scheduler.WorkerSlot;
import backtype.storm.utils.Utils;
import com.alibaba.jstorm.utils.JStormUtils;
public class WorkerAssignment extends WorkerSlot implements Serializable, JSONAware {
private static final Logger LOG = LoggerFactory.getLogger(WorkerAssignment.class);
private static final long serialVersionUID = -3483047434535537861L;
private Map<String, Integer> componentToNum = new HashMap<>();
private long mem;
private int cpu;
private String hostName;
private String jvm;
private static final String COMPONENTTONUM_TAG = "componentToNum";
private static final String MEM_TAG = "mem";
private static final String CPU_TAG = "cpu";
private static final String HOSTNAME_TAG = "hostName";
private static final String JVM_TAG = "jvm";
private static final String NODEID_TAG = "nodeId";
private static final String PORT_TAG = "port";
public WorkerAssignment(String nodeId, Number port) {
super(nodeId, port);
}
public WorkerAssignment() {
}
public void addComponent(String componentName, Integer num) {
componentToNum.put(componentName, num);
}
public Map<String, Integer> getComponentToNum() {
return componentToNum;
}
public String getHostName() {
return hostName;
}
public void setHostName(String hostName) {
this.hostName = hostName;
}
public void setJvm(String jvm) {
this.jvm = jvm;
}
public String getJvm() {
return jvm;
}
public long getMem() {
return mem;
}
public void setMem(long mem) {
this.mem = mem;
}
public int getCpu() {
return cpu;
}
public void setCpu(int cpu) {
this.cpu = cpu;
}
@Override
public String toJSONString() {
Map<String, String> map = new HashMap<>();
map.put(COMPONENTTONUM_TAG, Utils.to_json(componentToNum));
map.put(MEM_TAG, String.valueOf(mem));
map.put(CPU_TAG, String.valueOf(cpu));
map.put(HOSTNAME_TAG, hostName);
map.put(JVM_TAG, jvm);
map.put(NODEID_TAG, getNodeId());
map.put(PORT_TAG, String.valueOf(getPort()));
return Utils.to_json(map);
}
public static WorkerAssignment parseFromObj(Object obj) {
if (obj == null) {
return null;
}
if (!(obj instanceof Map)) {
return null;
}
try {
Map<String, String> map = (Map<String, String>) obj;
String supervisorId = map.get(NODEID_TAG);
String hostname = map.get(HOSTNAME_TAG);
Integer port = JStormUtils.parseInt(map.get(PORT_TAG));
String jvm = map.get(JVM_TAG);
Long mem = JStormUtils.parseLong(map.get(MEM_TAG));
Integer cpu = JStormUtils.parseInt(map.get(CPU_TAG));
Map<String, Object> componentToNum = (Map<String, Object>) Utils.from_json(map.get(COMPONENTTONUM_TAG));
WorkerAssignment ret = new WorkerAssignment(supervisorId, port);
ret.hostName = hostname;
ret.setNodeId(supervisorId);
ret.setJvm(jvm);
if (port != null) {
ret.setPort(port);
}
if (mem != null) {
ret.setMem(mem);
}
if (cpu != null) {
ret.setCpu(cpu);
}
for (Entry<String, Object> entry : componentToNum.entrySet()) {
ret.addComponent(entry.getKey(), JStormUtils.parseInt(entry.getValue()));
}
return ret;
} catch (Exception e) {
LOG.error("Failed to convert to WorkerAssignment, raw:" + obj, e);
return null;
}
}
public static String getStringFromJson(String text) {
return text.equals("null") ? null : text;
}
@Override
public String toString() {
return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);
}
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((componentToNum == null) ? 0 : componentToNum.hashCode());
result = prime * result + cpu;
result = prime * result + ((hostName == null) ? 0 : hostName.hashCode());
result = prime * result + ((jvm == null) ? 0 : jvm.hashCode());
result = prime * result + (int) (mem ^ (mem >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!super.equals(obj))
return false;
if (getClass() != obj.getClass())
return false;
WorkerAssignment other = (WorkerAssignment) obj;
if (componentToNum == null) {
if (other.componentToNum != null)
return false;
} else if (!componentToNum.equals(other.componentToNum))
return false;
if (cpu != other.cpu)
return false;
if (hostName == null) {
if (other.hostName != null)
return false;
} else if (!hostName.equals(other.hostName))
return false;
if (jvm == null) {
if (other.jvm != null)
return false;
} else if (!jvm.equals(other.jvm))
return false;
if (mem != other.mem)
return false;
return true;
}
public static void main(String[] args) {
WorkerAssignment input = new WorkerAssignment();
input.setJvm("sb");
input.setCpu(1);
input.setMem(2);
input.addComponent("2b", 2);
String outString = Utils.to_json(input);
System.out.println(input);
// String outString =
// "[componentToNum={},mem=1610612736,cpu=1,hostName=mobilejstorm-60-1,jvm=<null>,nodeId=<null>,port=0]";
Object object = Utils.from_json(outString);
System.out.println(object);
System.out.println(parseFromObj(object));
System.out.print(input.equals(parseFromObj(object)));
}
}