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## org.jboss.txbridge.ba.execute
Class ServiceExecutor

    java.lang.Object
      org.jboss.txbridge.ba.execute.ServiceExecutor

Direct Known Subclasses:
  LocalServiceExecutor, RemoteServiceExecutor

    public abstract class ServiceExecutor

extends java.lang.Object

This is an abstract class that describes a basic ServiceExecutor. Service Executors are used for executing compensation actions.

Version:
  0.1
Author:
  Maciej P. Machulak (mmachulak@redhat.com)

Field Summary
`private static CompensationManagerProvider` | `cmp`
`(package private) DataProvider` | `dataProvider`
`(package private) ExecutionInterface` | `execution`
`private static org.apache.log4j.Logger` | `log`
`private TaskDescription` | `taskDescription`

Constructor Summary
`ServiceExecutor(TaskDescription taskDesc)` Main constructor.
`ServiceExecutor(TaskDescription taskDesc, ExecutionInterface execution, DataProvider dp)` Constructor.

Method Summary
`void` | `invokeService(ServiceDescription sd, CompensationDataProvider cdp)` This method invokes the compensation task which is specified in the service description.
`void` | `setExecutionType(ExecutionInterface execution)` This method sets a new execution type.

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

Field Detail

### log

    private static org.apache.log4j.Logger log

### cmp

    private static CompensationManagerProvider cmp

### taskDescription

    private TaskDescription taskDescription

### execution

    ExecutionInterface execution

### dataProvider

    DataProvider dataProvider

Constructor Detail

### ServiceExecutor

    ServiceExecutor(TaskDescription taskDesc)

  Main constructor.

  Parameters:
    `taskDesc` - is the task's description.

### ServiceExecutor

    public ServiceExecutor(TaskDescription taskDesc,
                           ExecutionInterface execution,
                           DataProvider dp)

  Constructor.

  Parameters:
    `taskDesc` - is the task's description.
    `execution` - is the execution interface that should be used.
    `dp` - is the data provider for arguments.

Method Detail

### setExecutionType

    public void setExecutionType(ExecutionInterface execution)

  This method sets a new execution type.

  Parameters:
    `execution` - is the execution type which should be set.

### invokeService

    public void invokeService(ServiceDescription sd,
                              CompensationDataProvider cdp)
                       throws CompensationActionUnsuccessfulException

  This method invokes the compensation task which is specified in the service description. It uses compensation data which are passed as a parameter.

  Parameters:
    `sd` - represents the service description.
    `cdp` - represents the compensation data provider.
  Throws:
    `CompensationActionUnsuccessfulException` - if it was not possible to execute compensation action.

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