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## org.drupal.project.async_command
Class AsyncCommand

    java.lang.Object
      org.drupal.project.async_command.AsyncCommand

All Implemented Interfaces:
  java.lang.Runnable

Direct Known Subclasses:
  PingMe

    public abstract class AsyncCommand

extends java.lang.Object
implements java.lang.Runnable

Individual command to be executed. Each command is also registered with a DrupalApp. A command doesn't necessarily know a DrupalConnection. If needed, it can get from DrupalApp. The Record inner class needs to know a DrupalConnection in order to do database operations.

Nested Class Summary
`static class` | `AsyncCommand.Status`

Field Summary
`protected GenericDrupalApp` | `drupalApp` The drupal application this command is associated with.
`protected static java.util.logging.Logger` | `logger`
`protected CommandRecord` | `record` The database record this command is associated with.

Constructor Summary
`AsyncCommand(CommandRecord record, GenericDrupalApp drupalApp)` Constructor should prepare the command to run "run()".

Method Summary
`AsyncCommand` | `evaluate(java.lang.String... params)` Override this if you want to evaluate the command from CLI or other ad-hoc approach.
`java.lang.String` | `getIdentifier()` Specifies the name this command is known as.
`abstract void` | `run()` Run this command.

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

Field Detail

### logger

    protected static java.util.logging.Logger logger

### drupalApp

    protected final GenericDrupalApp drupalApp

  The drupal application this command is associated with.

### record

    protected final CommandRecord record

  The database record this command is associated with.

Constructor Detail

### AsyncCommand

    public AsyncCommand(CommandRecord record,
                        GenericDrupalApp drupalApp)

  Constructor should prepare the command to run "run()". Set member fields by using data in "record"; don't use record directly in execution.

  Parameters:
    `record` -
    `drupalApp` -

Method Detail

### getIdentifier

    public java.lang.String getIdentifier()

  Specifies the name this command is known as. By default is the class name. You can override default value too. Deprecated because we don't want to use the default identifier. Instead, when register the command with an app, you can specify the identifier for this command on that specific

  Returns:
    The identifier of the command.

### run

    public abstract void run()

  Run this command. All parameters should be set before executing this command, preferably in the constructor. After execution, the field 'record' should have the final results. This method is not responsible to save status results back to the database. It's only responsible to run the command and set the command record.

  Specified by:
    `run` in interface `java.lang.Runnable`

### evaluate

    public AsyncCommand evaluate(java.lang.String... params)

  Override this if you want to evaluate the command from CLI or other ad-hoc approach.

  Parameters:
    `params` -
  Returns:
    The object of this AsyncCommand class. The caller is responsible to run/update the object.

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