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## org.fourthline.cling.support.avtransport.impl
Class AVTransportService<T extends AVTransport>

    java.lang.Object
      org.fourthline.cling.support.avtransport.AbstractAVTransportService
          org.fourthline.cling.support.avtransport.impl.AVTransportService<T>

All Implemented Interfaces:
  LastChangeDelegator

    public class AVTransportService<T extends AVTransport>

extends AbstractAVTransportService

State-machine based implementation of AVTransport service.

One logical AVTransport is represented by:

- One `AVTransportStateMachine` instance that accepts the action method call as a proxy.
- Each state machine holds several instances of `AbstractState`, created on instantation of the state machine. The "current" state will be the target of the action call. It is the state implementation that decides how to handle the call and what the next state is after a possible transition.
- Each state has a reference to an implementation of `AVTransport`, where the state can hold information about well, the state.

Simplified, this means that each AVTransport instance ID is typically handled by one state machine, and the internal state of that machine is stored in an `AVTransport`.

Override the `createTransport(org.fourthline.cling.model.types.UnsignedIntegerFourBytes, org.fourthline.cling.support.lastchange.LastChange)` method to utilize a subclass of `AVTransport` as your internal state holder.

Author:
  Christian Bauer

Field Summary

Fields inherited from class org.fourthline.cling.support.avtransport.AbstractAVTransportService
`propertyChangeSupport`

Constructor Summary
`AVTransportService(Class<? extends AVTransportStateMachine> stateMachineDefinition, Class<? extends AbstractState> initialState)`
`AVTransportService(Class<? extends AVTransportStateMachine> stateMachineDefinition, Class<? extends AbstractState> initialState, Class<T> transportClass)`

Method Summary
`protected AVTransportStateMachine` | `createStateMachine(UnsignedIntegerFourBytes instanceId)`
`protected AVTransport` | `createTransport(UnsignedIntegerFourBytes instanceId, LastChange lastChange)`
`protected AVTransportStateMachine` | `findStateMachine(UnsignedIntegerFourBytes instanceId)`
`protected AVTransportStateMachine` | `findStateMachine(UnsignedIntegerFourBytes instanceId, boolean createDefaultTransport)`
`UnsignedIntegerFourBytes[]` | `getCurrentInstanceIds()`
`protected TransportAction[]` | `getCurrentTransportActions(UnsignedIntegerFourBytes instanceId)`
`DeviceCapabilities` | `getDeviceCapabilities(UnsignedIntegerFourBytes instanceId)`
`MediaInfo` | `getMediaInfo(UnsignedIntegerFourBytes instanceId)`
`PositionInfo` | `getPositionInfo(UnsignedIntegerFourBytes instanceId)`
`TransportInfo` | `getTransportInfo(UnsignedIntegerFourBytes instanceId)`
`TransportSettings` | `getTransportSettings(UnsignedIntegerFourBytes instanceId)`
`void` | `next(UnsignedIntegerFourBytes instanceId)`
`void` | `pause(UnsignedIntegerFourBytes instanceId)`
`void` | `play(UnsignedIntegerFourBytes instanceId, String speed)`
`void` | `previous(UnsignedIntegerFourBytes instanceId)`
`void` | `record(UnsignedIntegerFourBytes instanceId)`
`void` | `seek(UnsignedIntegerFourBytes instanceId, String unit, String target)`
`void` | `setAVTransportURI(UnsignedIntegerFourBytes instanceId, String currentURI, String currentURIMetaData)`
`void` | `setNextAVTransportURI(UnsignedIntegerFourBytes instanceId, String nextURI, String nextURIMetaData)`
`void` | `setPlayMode(UnsignedIntegerFourBytes instanceId, String newPlayMode)`
`void` | `setRecordQualityMode(UnsignedIntegerFourBytes instanceId, String newRecordQualityMode)`
`void` | `stop(UnsignedIntegerFourBytes instanceId)`

Methods inherited from class org.fourthline.cling.support.avtransport.AbstractAVTransportService
`appendCurrentState, getCurrentTransportActionsString, getDefaultInstanceID, getLastChange, getPropertyChangeSupport`

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

Constructor Detail

### AVTransportService

    public AVTransportService(Class<? extends AVTransportStateMachine> stateMachineDefinition,
                              Class<? extends AbstractState> initialState)

### AVTransportService

    public AVTransportService(Class<? extends AVTransportStateMachine> stateMachineDefinition,
                              Class<? extends AbstractState> initialState,
                              Class<T> transportClass)

Method Detail

### setAVTransportURI

    public void setAVTransportURI(UnsignedIntegerFourBytes instanceId,
                                  String currentURI,
                                  String currentURIMetaData)
                           throws AVTransportException

  Specified by:
    `setAVTransportURI` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### setNextAVTransportURI

    public void setNextAVTransportURI(UnsignedIntegerFourBytes instanceId,
                                      String nextURI,
                                      String nextURIMetaData)
                               throws AVTransportException

  Specified by:
    `setNextAVTransportURI` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### setPlayMode

    public void setPlayMode(UnsignedIntegerFourBytes instanceId,
                            String newPlayMode)
                     throws AVTransportException

  Specified by:
    `setPlayMode` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### setRecordQualityMode

    public void setRecordQualityMode(UnsignedIntegerFourBytes instanceId,
                                     String newRecordQualityMode)
                              throws AVTransportException

  Specified by:
    `setRecordQualityMode` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### getMediaInfo

    public MediaInfo getMediaInfo(UnsignedIntegerFourBytes instanceId)
                           throws AVTransportException

  Specified by:
    `getMediaInfo` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### getTransportInfo

    public TransportInfo getTransportInfo(UnsignedIntegerFourBytes instanceId)
                                   throws AVTransportException

  Specified by:
    `getTransportInfo` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### getPositionInfo

    public PositionInfo getPositionInfo(UnsignedIntegerFourBytes instanceId)
                                 throws AVTransportException

  Specified by:
    `getPositionInfo` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### getDeviceCapabilities

    public DeviceCapabilities getDeviceCapabilities(UnsignedIntegerFourBytes instanceId)
                                             throws AVTransportException

  Specified by:
    `getDeviceCapabilities` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### getTransportSettings

    public TransportSettings getTransportSettings(UnsignedIntegerFourBytes instanceId)
                                           throws AVTransportException

  Specified by:
    `getTransportSettings` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### stop

    public void stop(UnsignedIntegerFourBytes instanceId)
              throws AVTransportException

  Specified by:
    `stop` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### play

    public void play(UnsignedIntegerFourBytes instanceId,
                     String speed)
              throws AVTransportException

  Specified by:
    `play` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### pause

    public void pause(UnsignedIntegerFourBytes instanceId)
               throws AVTransportException

  Specified by:
    `pause` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### record

    public void record(UnsignedIntegerFourBytes instanceId)
                throws AVTransportException

  Specified by:
    `record` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### seek

    public void seek(UnsignedIntegerFourBytes instanceId,
                     String unit,
                     String target)
              throws AVTransportException

  Specified by:
    `seek` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### next

    public void next(UnsignedIntegerFourBytes instanceId)
              throws AVTransportException

  Specified by:
    `next` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### previous

    public void previous(UnsignedIntegerFourBytes instanceId)
                  throws AVTransportException

  Specified by:
    `previous` in class `AbstractAVTransportService`
  Throws:
    `AVTransportException`

### getCurrentTransportActions

    protected TransportAction[] getCurrentTransportActions(UnsignedIntegerFourBytes instanceId)
                                                    throws Exception

  Specified by:
    `getCurrentTransportActions` in class `AbstractAVTransportService`
  Throws:
    `Exception`

### getCurrentInstanceIds

    public UnsignedIntegerFourBytes[] getCurrentInstanceIds()

### findStateMachine

    protected AVTransportStateMachine findStateMachine(UnsignedIntegerFourBytes instanceId)
                                                throws AVTransportException

  Throws:
    `AVTransportException`

### findStateMachine

    protected AVTransportStateMachine findStateMachine(UnsignedIntegerFourBytes instanceId,
                                                       boolean createDefaultTransport)
                                                throws AVTransportException

  Throws:
    `AVTransportException`

### createStateMachine

    protected AVTransportStateMachine createStateMachine(UnsignedIntegerFourBytes instanceId)

### createTransport

    protected AVTransport createTransport(UnsignedIntegerFourBytes instanceId,
                                          LastChange lastChange)

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