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* and Distribution License("CDDL") (collectively, the "License"). You
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*
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*/
/*
* RuntimeStatus.java
*
* Created on February 27, 2004, 12:26 PM
*/
package com.sun.enterprise.admin.servermgmt;
import com.sun.enterprise.admin.common.Status;
import java.io.Serializable;
import java.util.ArrayList;
/**
* This class holds a list of runtime status objects which corresponds to a list of server
* instances (e.g. in a cluster) or a list of node agents.
* @author kebbs
*/
public class RuntimeStatusList extends ArrayList implements Serializable {
public RuntimeStatusList() {
super();
}
public RuntimeStatusList(int capacity)
{
super(capacity);
}
/**
* Return the RuntimeStatus at the specified index
* @param index
* @throws IndexOutOfBoundsException
* @return
*/
public RuntimeStatus getStatus(int index) throws IndexOutOfBoundsException
{
return (RuntimeStatus)super.get(index);
}
/**
*
* @return true if at least one of the servers / node agents in the list is in a running state.
*/
public boolean anyRunning()
{
return numRunning() > 0 ? true : false;
}
/**
*
* @return true if all of the server or node agents in the list is in a running state.
* Note that there must be at least one server or node agent in the list.
*/
public boolean allRunning()
{
if (isEmpty()) {
return false;
} else {
return numRunning() == size() ? true : false;
}
}
/**
*
* @return the number of running instances / node agents.
*/
public int numRunning()
{
int count = 0;
for (int i = 0; i < size(); i++) {
if (((RuntimeStatus)get(i)).isRunning()) {
count++;
}
}
return count;
}
/**
*
* @return the number of instances / node agents needing a restart. Note that
* stopped instances (i.e. not running) will not be counted.
*/
public int numNeedingRestart()
{
int count = 0;
for (int i = 0; i < size(); i++) {
//Only running instances are considered for restart required
if (((RuntimeStatus)get(i)).isRunning() &&
((RuntimeStatus)get(i)).isRestartNeeded())
{
count++;
}
}
return count;
}
/**
*
* @return the number of stopped (not running) server instances
*/
public int numStopped()
{
return size() - numRunning();
}
/**
*
* @return true if there are no instances / agents in the list
*/
public boolean isEmpty()
{
return size() == 0 ? true : false;
}
/**
*
* @return a string version of the list which can be: "running" if allRunning(),
* "partially running" if anyRunning(), or "stopped" everywhere else.
*/
public String toString()
{
if (allRunning()) {
return Status.getStatusString(Status.kInstanceRunningCode);
} else if (anyRunning()) {
return Status.getStatusString(Status.kClusterPartiallyRunningCode);
} else {
return Status.getStatusString(Status.kInstanceNotRunningCode);
}
}
}
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