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## org.quartz.jobs.ee.ejb
Class EJBInvokerJob

    java.lang.Object
      org.quartz.jobs.ee.ejb.EJBInvokerJob

All Implemented Interfaces:
  Job

public class EJBInvokerJob
extends Object
implements Job

A `Job` that invokes a method on an EJB.

Expects the properties corresponding to the following keys to be in the `JobDataMap` when it executes:

- `EJB_JNDI_NAME_KEY`- the JNDI name (location) of the EJB's home interface.
- `EJB_METHOD_KEY`- the name of the method to invoke on the EJB.
- `EJB_ARGS_KEY`- an Object[] of the args to pass to the method (optional, if left out, there are no arguments).
- `EJB_ARG_TYPES_KEY`- an Class[] of the types of the args to pass to the method (optional, if left out, the types will be derived by calling getClass() on each of the arguments).

The following keys can also be used at need:

- `INITIAL_CONTEXT_FACTORY` - the context factory used to build the context.
- `PROVIDER_URL` - the name of the environment property for specifying configuration information for the service provider to use.

Author:
  Andrew Collins, James House, Joel Shellman, Chris Bonham

Field Summary
`static String` | `CREDENTIALS`
`static String` | `EJB_ARG_TYPES_KEY`
`static String` | `EJB_ARGS_KEY`
`static String` | `EJB_JNDI_NAME_KEY`
`static String` | `EJB_METHOD_KEY`
`static String` | `INITIAL_CONTEXT_FACTORY`
`static String` | `PRINCIPAL`
`static String` | `PROVIDER_URL`

Constructor Summary
`EJBInvokerJob()`

Method Summary
`void` | `execute(JobExecutionContext context)` Called by the ``Scheduler`` when a ``Trigger`` fires that is associated with the `Job`.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### EJB_JNDI_NAME_KEY

    public static final String EJB_JNDI_NAME_KEY

See Also:
  Constant Field Values

### EJB_METHOD_KEY

    public static final String EJB_METHOD_KEY

See Also:
  Constant Field Values

### EJB_ARG_TYPES_KEY

    public static final String EJB_ARG_TYPES_KEY

See Also:
  Constant Field Values

### EJB_ARGS_KEY

    public static final String EJB_ARGS_KEY

See Also:
  Constant Field Values

### INITIAL_CONTEXT_FACTORY

    public static final String INITIAL_CONTEXT_FACTORY

See Also:
  Constant Field Values

### PROVIDER_URL

    public static final String PROVIDER_URL

See Also:
  Constant Field Values

### PRINCIPAL

    public static final String PRINCIPAL

See Also:
  Constant Field Values

### CREDENTIALS

    public static final String CREDENTIALS

See Also:
  Constant Field Values

Constructor Detail

### EJBInvokerJob

    public EJBInvokerJob()

Method Detail

### execute

    public void execute(JobExecutionContext context)
                 throws JobExecutionException

  Description copied from interface: `Job`

  Called by the ``Scheduler`` when a ``Trigger`` fires that is associated with the `Job`.

  The implementation may wish to set a `result` object on the `JobExecutionContext` before this method exits. The result itself is meaningless to Quartz, but may be informative to ``JobListener`s` or ``TriggerListener`s` that are watching the job's execution.

  Specified by:
    `execute` in interface `Job`
  Returns:
    void (nothing) if job is successful.
  Throws:
    `JobExecutionException` - if there is an exception while executing the job.

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