org.eclipse.emf.emfstore.internal.server.model.versioning.impl.persistent
Class OperationEmitter

java.lang.Object
  org.eclipse.emf.emfstore.internal.server.model.versioning.impl.persistent.OperationEmitter

All Implemented Interfaces:

Closeable

public class OperationEmitter
extends Object
implements Closeable

Type for emitting AbstractOperations when given an ReadLineCapable type.

Author:

emueller

Constructor Summary

OperationEmitter(Direction direction, File file)
Constructor.

Method Summary

void	close() Closes the emitter.
long	getOffset() Returns the current offset.
com.google.common.base.Optional<AbstractOperation>	tryEmit() Tries to parse an operation in the reading directions and emits it, if parsing has been successful.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OperationEmitter

public OperationEmitter(Direction direction,
                        File file)

Constructor.

Parameters:

direction - the Direction that is used for reading

file - the operation file

Method Detail

getOffset

public long getOffset()

Returns the current offset.

Returns:

the current offset

tryEmit

public com.google.common.base.Optional<AbstractOperation> tryEmit()
                                                           throws IOException

Tries to parse an operation in the reading directions and emits it, if parsing has been successful.

Returns:

the successfully parsed operation

Throws:

IOException - in case reading from the ReadLineCapable fails

close

public void close()

Closes the emitter.

Specified by:

close in interface Closeable