You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
3.2 KiB
78 lines
3.2 KiB
|
|
package de.anomic.server;
|
|
|
|
import java.lang.reflect.*;
|
|
|
|
public class serverInstantThread extends serverAbstractThread implements serverThread {
|
|
|
|
private Method jobExecMethod, jobCountMethod;
|
|
private Object environment;
|
|
|
|
public serverInstantThread(Object env, String jobExec, String jobCount) {
|
|
// job is the name of a method of the object 'env'
|
|
try {
|
|
this.jobExecMethod = env.getClass().getMethod(jobExec, new Class[0]);
|
|
if (jobCount == null)
|
|
this.jobCountMethod = null;
|
|
else
|
|
this.jobCountMethod = env.getClass().getMethod(jobCount, new Class[0]);
|
|
this.environment = env;
|
|
this.setName(env.getClass().getName() + "." + jobExec);
|
|
} catch (NoSuchMethodException e) {
|
|
throw new RuntimeException("Internal Error in serverInstantThread, wrong declaration: " + e.getMessage());
|
|
}
|
|
}
|
|
|
|
public int getJobCount() {
|
|
if (this.jobCountMethod == null) return Integer.MAX_VALUE;
|
|
try {
|
|
Object result = jobCountMethod.invoke(environment, new Object[0]);
|
|
if (result instanceof Integer)
|
|
return ((Integer) result).intValue();
|
|
else
|
|
return -1;
|
|
} catch (IllegalAccessException e) {
|
|
return -1;
|
|
} catch (IllegalArgumentException e) {
|
|
return -1;
|
|
} catch (InvocationTargetException e) {
|
|
System.out.println("Runtime Error in serverInstantThread, thread '" + this.getName() + "': " + e.getMessage());
|
|
e.printStackTrace();
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
public boolean job() throws Exception {
|
|
boolean jobHasDoneSomething = false;
|
|
try {
|
|
Object result = jobExecMethod.invoke(environment, new Object[0]);
|
|
if (result == null) jobHasDoneSomething = true;
|
|
else if (result instanceof Boolean) jobHasDoneSomething = ((Boolean) result).booleanValue();
|
|
} catch (IllegalAccessException e) {
|
|
System.out.println("Internal Error in serverInstantThread: " + e.getMessage());
|
|
System.out.println("shutting down thread '" + this.getName() + "'");
|
|
this.terminate(false);
|
|
} catch (IllegalArgumentException e) {
|
|
System.out.println("Internal Error in serverInstantThread: " + e.getMessage());
|
|
System.out.println("shutting down thread '" + this.getName() + "'");
|
|
this.terminate(false);
|
|
} catch (InvocationTargetException e) {
|
|
System.out.println("Runtime Error in serverInstantThread, thread '" + this.getName() + "': " + e.getMessage());
|
|
e.printStackTrace();
|
|
}
|
|
return jobHasDoneSomething;
|
|
}
|
|
|
|
public static serverThread oneTimeJob(Object env, String jobExec, serverLog log, long startupDelay) {
|
|
// start the job and execute it once as background process
|
|
serverThread thread = new serverInstantThread(env, jobExec, null);
|
|
thread.setStartupSleep(startupDelay);
|
|
thread.setIdleSleep(-1);
|
|
thread.setBusySleep(-1);
|
|
thread.setLog(log);
|
|
thread.start();
|
|
return thread;
|
|
}
|
|
|
|
}
|