things.data.impl
Class ThingsPropertyTrunkInMemory

java.lang.Object
  things.data.impl.ThingsPropertyTrunkInMemory

All Implemented Interfaces:

ThingsPropertyTrunk

public class ThingsPropertyTrunkInMemory
extends java.lang.Object
implements ThingsPropertyTrunk

An in-memory implementation for a property trunk. Basically, it's just a null implementation. The ID can be meaningless.

Version:

1.0

Version History

EPG - Initial - 5 JUN 05
 

Author:

Erich P. Gatejen

Nested Class Summary

Nested classes/interfaces inherited from interface things.data.ThingsPropertyTrunk

ThingsPropertyTrunk.Mode

Constructor Summary

ThingsPropertyTrunkInMemory()

Method Summary

void	endRead() End a read transfer.
void	endWrite() End a wrote transfer.
ThingsPropertyTrunk.Mode	getMode() Get the current Mode.
void	init(java.lang.String id, Accessor accessItem) Sets the ID.
NV	readNext() Read the next property.
void	startRead() Start a read.
void	startWrite() Start a write transfer.
void	writeNext(NVImmutable item) Write the next property
void	writeNext(java.lang.String name, java.lang.String value) Write the next property
void	writeNextMultivalue(java.lang.String name, java.lang.String... values) Write the next property that is a multivalue.

Methods inherited from class java.lang.Object

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

Constructor Detail

ThingsPropertyTrunkInMemory

public ThingsPropertyTrunkInMemory()

Method Detail

getMode

public ThingsPropertyTrunk.Mode getMode()

Get the current Mode.

Specified by:

getMode in interface ThingsPropertyTrunk

Returns:

the Mode.

init

public void init(java.lang.String id,
                 Accessor accessItem)
          throws ThingsException

Sets the ID. It's really up to the implementation as to what the ID means. It may be ignored and all will be transfered.

Specified by:

init in interface ThingsPropertyTrunk

Parameters:

id - An id

accessItem - A way to read and write the data.

Throws:

ThingsException

startRead

public void startRead()
               throws ThingsException

Start a read.

Specified by:

startRead in interface ThingsPropertyTrunk

Throws:

ThingsException

endRead

public void endRead()
             throws ThingsException

End a read transfer. If a read hasn't started, nothing bad will happen.

Specified by:

endRead in interface ThingsPropertyTrunk

Throws:

ThingsException

startWrite

public void startWrite()
                throws ThingsException

Start a write transfer.

Specified by:

startWrite in interface ThingsPropertyTrunk

Throws:

ThingsException

endWrite

public void endWrite()
              throws ThingsException

End a wrote transfer. If a write hasn't started, nothing bad will happen. It should flush and close the destination.

Specified by:

endWrite in interface ThingsPropertyTrunk

Throws:

ThingsException

writeNext

public void writeNext(java.lang.String name,
                      java.lang.String value)
               throws ThingsException

Write the next property

Specified by:

writeNext in interface ThingsPropertyTrunk

Parameters:

name - The property name as a string

value - The property value as a string

Throws:

ThingsException

writeNext

public void writeNext(NVImmutable item)
               throws ThingsException

Write the next property

Specified by:

writeNext in interface ThingsPropertyTrunk

Parameters:

item - the next property as an NVImmutable.

Throws:

ThingsException

See Also:

NVImmutable

writeNextMultivalue

public void writeNextMultivalue(java.lang.String name,
                                java.lang.String... values)
                         throws ThingsException

Write the next property that is a multivalue.

Specified by:

writeNextMultivalue in interface ThingsPropertyTrunk

Parameters:

name - The property name as a string

values - The property values

Throws:

ThingsException

readNext

public NV readNext()
            throws ThingsException

Read the next property. It will return null if there are non left.

Specified by:

readNext in interface ThingsPropertyTrunk

Returns:

NV

Throws:

ThingsException