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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 completion or compensation actions.

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

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

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

Method Summary
`abstract void` | `invoke(MethodDescription md, ExecutionDataProvider edp)` This method invokes the completion or compensation task which is specified in the service description.
`void` | `setExecutionType(Executable 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

    protected static DataManagerProvider cmp

### taskDescription

    protected TaskDescription taskDescription

### execution

    Executable execution

### dataProvider

    DataProvider dataProvider

Constructor Detail

### ServiceExecutor

    ServiceExecutor(TaskDescription taskDesc)

  Main constructor.

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

### ServiceExecutor

    public ServiceExecutor(TaskDescription taskDesc,
                           Executable 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(Executable execution)

  This method sets a new execution type.

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

### invoke

    public abstract void invoke(MethodDescription md,
                                ExecutionDataProvider edp)
                         throws ActionExecutionException

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

  Parameters:
    `md` - represents the service description.
    `edp` - represents the datamgmt data provider.
  Throws:
    `ActionExecutionException` - if it was not possible to execute datamgmt action.

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