org.apache.turbine.modules
Class ScheduledJobLoader

java.lang.Object
  |
  +--java.util.Dictionary
        |
        +--java.util.Hashtable
              |
              +--org.apache.turbine.modules.GenericLoader
                    |
                    +--org.apache.turbine.modules.ScheduledJobLoader
All Implemented Interfaces:
java.lang.Cloneable, java.util.Map, java.io.Serializable

public class ScheduledJobLoader
extends GenericLoader

ScheduledJobs loader class.

Version:
$Id$
Author:
Dave Bryson
See Also:
Serialized Form

Inner classes inherited from class java.util.Map
java.util.Map.Entry
 
Field Summary
private static ScheduledJobLoader instance
          The single instance of this class.
 
Fields inherited from class org.apache.turbine.modules.GenericLoader
CACHE, reload, TURBINE_PACKAGE
 
Fields inherited from class java.util.Hashtable
count, emptyEnumerator, emptyIterator, ENTRIES, entrySet, KEYS, keySet, loadFactor, modCount, serialVersionUID, table, threshold, values, VALUES
 
Constructor Summary
private ScheduledJobLoader()
          These constructor's are private to force clients to use getInstance() to access this class.
private ScheduledJobLoader(int i)
          These constructor's are private to force clients to use getInstance() to access this class.
 
Method Summary
private  void addInstance(java.lang.String name, ScheduledJob job)
          Adds an instance of an object into the hashtable.
 void exec(JobEntry job, java.lang.String name)
          Attempts to load and execute the external ScheduledJob.
 void exec(RunData data, java.lang.String name)
          Attempts to load and execute the external ScheduledJob.
static ScheduledJobLoader getInstance()
          The method through which this class is accessed.
 ScheduledJob getInstance(java.lang.String name)
          Pulls out an instance of the object by name.
 
Methods inherited from class org.apache.turbine.modules.GenericLoader
cache, getBasePackage, reload, setReload
 
Methods inherited from class java.util.Hashtable
, clear, clone, contains, containsKey, containsValue, elements, entrySet, equals, get, getEnumeration, getIterator, hashCode, isEmpty, keys, keySet, put, putAll, readObject, rehash, remove, size, toString, values, writeObject
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, registerNatives, wait, wait, wait
 

Field Detail

instance

private static ScheduledJobLoader instance
The single instance of this class.
Constructor Detail

ScheduledJobLoader

private ScheduledJobLoader()
These constructor's are private to force clients to use getInstance() to access this class.

ScheduledJobLoader

private ScheduledJobLoader(int i)
These constructor's are private to force clients to use getInstance() to access this class.
Method Detail

addInstance

private void addInstance(java.lang.String name,
                         ScheduledJob job)
Adds an instance of an object into the hashtable.
Parameters:
name - Name of object.
job - Job to be associated with name.

exec

public void exec(JobEntry job,
                 java.lang.String name)
          throws java.lang.Exception
Attempts to load and execute the external ScheduledJob.
Parameters:
job - The JobEntry.
name - Name of object that will execute the job.
Throws:
java.lang.Exception - a generic exception.

exec

public void exec(RunData data,
                 java.lang.String name)
          throws java.lang.Exception
Attempts to load and execute the external ScheduledJob. HELP! - THIS IS UGLY! I want the cache stuff from GenericLoader, BUT, I don't think the scheduler needs the Rundata object. The scheduler runs independently of an HTTP request. This should not extend GenericLoader! Thoughts??
Overrides:
exec in class GenericLoader
Parameters:
data - Turbine information.
name - Name of object that will execute the job.
Throws:
java.lang.Exception - a generic exception.

getInstance

public ScheduledJob getInstance(java.lang.String name)
                         throws java.lang.Exception
Pulls out an instance of the object by name. Name is just the single name of the object.
Parameters:
name - Name of object instance.
Returns:
An ScheduledJob with the specified name, or null.
Throws:
java.lang.Exception - a generic exception.

getInstance

public static ScheduledJobLoader getInstance()
The method through which this class is accessed.
Returns:
The single instance of this class.


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