/*
* Copyright 1999-2015 dangdang.com.
* <p>
* 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.
* </p>
*/
package com.dangdang.ddframe.job.lite.lifecycle.internal.operate;
import com.dangdang.ddframe.job.lite.internal.storage.JobNodePath;
import com.dangdang.ddframe.job.lite.lifecycle.api.JobOperateAPI;
import com.dangdang.ddframe.job.reg.base.CoordinatorRegistryCenter;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import java.util.List;
/**
* 操作作业的实现类.
*
* @author caohao
*/
public final class JobOperateAPIImpl implements JobOperateAPI {
private final CoordinatorRegistryCenter regCenter;
public JobOperateAPIImpl(final CoordinatorRegistryCenter regCenter) {
this.regCenter = regCenter;
}
@Override
public void trigger(final Optional<String> jobName, final Optional<String> serverIp) {
if (jobName.isPresent()) {
JobNodePath jobNodePath = new JobNodePath(jobName.get());
for (String each : regCenter.getChildrenKeys(jobNodePath.getInstancesNodePath())) {
regCenter.persist(jobNodePath.getInstanceNodePath(each), "TRIGGER");
}
}
}
@Override
public void disable(final Optional<String> jobName, final Optional<String> serverIp) {
disableOrEnableJobs(jobName, serverIp, true);
}
@Override
public void enable(final Optional<String> jobName, final Optional<String> serverIp) {
disableOrEnableJobs(jobName, serverIp, false);
}
private void disableOrEnableJobs(final Optional<String> jobName, final Optional<String> serverIp, final boolean disabled) {
Preconditions.checkArgument(jobName.isPresent() || serverIp.isPresent(), "At least indicate jobName or serverIp.");
if (jobName.isPresent() && serverIp.isPresent()) {
persistDisabledOrEnabledJob(jobName.get(), serverIp.get(), disabled);
} else if (jobName.isPresent()) {
JobNodePath jobNodePath = new JobNodePath(jobName.get());
for (String each : regCenter.getChildrenKeys(jobNodePath.getServerNodePath())) {
if (disabled) {
regCenter.persist(jobNodePath.getServerNodePath(each), "DISABLED");
} else {
regCenter.persist(jobNodePath.getServerNodePath(each), "");
}
}
} else if (serverIp.isPresent()) {
List<String> jobNames = regCenter.getChildrenKeys("/");
for (String each : jobNames) {
if (regCenter.isExisted(new JobNodePath(each).getServerNodePath(serverIp.get()))) {
persistDisabledOrEnabledJob(each, serverIp.get(), disabled);
}
}
}
}
private void persistDisabledOrEnabledJob(final String jobName, final String serverIp, final boolean disabled) {
JobNodePath jobNodePath = new JobNodePath(jobName);
String serverNodePath = jobNodePath.getServerNodePath(serverIp);
if (disabled) {
regCenter.persist(serverNodePath, "DISABLED");
} else {
regCenter.persist(serverNodePath, "");
}
}
@Override
public void shutdown(final Optional<String> jobName, final Optional<String> serverIp) {
Preconditions.checkArgument(jobName.isPresent() || serverIp.isPresent(), "At least indicate jobName or serverIp.");
if (jobName.isPresent() && serverIp.isPresent()) {
JobNodePath jobNodePath = new JobNodePath(jobName.get());
for (String each : regCenter.getChildrenKeys(jobNodePath.getInstancesNodePath())) {
if (serverIp.get().equals(each.split("@-@")[0])) {
regCenter.remove(jobNodePath.getInstanceNodePath(each));
}
}
} else if (jobName.isPresent()) {
JobNodePath jobNodePath = new JobNodePath(jobName.get());
for (String each : regCenter.getChildrenKeys(jobNodePath.getInstancesNodePath())) {
regCenter.remove(jobNodePath.getInstanceNodePath(each));
}
} else if (serverIp.isPresent()) {
List<String> jobNames = regCenter.getChildrenKeys("/");
for (String job : jobNames) {
JobNodePath jobNodePath = new JobNodePath(job);
List<String> instances = regCenter.getChildrenKeys(jobNodePath.getInstancesNodePath());
for (String each : instances) {
if (serverIp.get().equals(each.split("@-@")[0])) {
regCenter.remove(jobNodePath.getInstanceNodePath(each));
}
}
}
}
}
@Override
public void remove(final Optional<String> jobName, final Optional<String> serverIp) {
shutdown(jobName, serverIp);
if (jobName.isPresent() && serverIp.isPresent()) {
regCenter.remove(new JobNodePath(jobName.get()).getServerNodePath(serverIp.get()));
} else if (jobName.isPresent()) {
JobNodePath jobNodePath = new JobNodePath(jobName.get());
List<String> servers = regCenter.getChildrenKeys(jobNodePath.getServerNodePath());
for (String each : servers) {
regCenter.remove(jobNodePath.getServerNodePath(each));
}
} else if (serverIp.isPresent()) {
List<String> jobNames = regCenter.getChildrenKeys("/");
for (String each : jobNames) {
regCenter.remove(new JobNodePath(each).getServerNodePath(serverIp.get()));
}
}
}
}