org.fosstrak.ale.server.readers
Class LogicalReader

java.lang.Object
  java.util.Observable
      org.fosstrak.ale.server.readers.LogicalReader

Direct Known Subclasses:

BaseReader, CompositeReader

public abstract class LogicalReader
extends java.util.Observable

Represents the abstract interface for a reader. a reader can be either a composite of different readers or a basereader

Author:

sawielan

Field Summary

protected java.util.Map<java.lang.String,java.lang.String>	logicalReaderProperties property value pair for the reader configuration.
protected org.fosstrak.ale.xsd.ale.epcglobal.LRSpec	logicalReaderSpec LRSpec for the reader.
protected java.util.List<org.fosstrak.ale.xsd.ale.epcglobal.LRProperty>	properties LRpoperties for the reader.
protected java.lang.String	readerName name of the reader.
protected boolean	started indicates whether the reader is started or not.

Constructor Summary

LogicalReader()
constructor for the logical reader.

Method Summary

static LogicalReader	createReader(java.lang.String name, org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec) factory method to create a new reader. this can be a CompositeReader or a BaseReader.
org.fosstrak.ale.xsd.ale.epcglobal.LRSpec	getLRSpec() This method returns the spec.
java.lang.String	getName() This method returns the name of the logical reader.
java.util.List<org.fosstrak.ale.xsd.ale.epcglobal.LRProperty>	getProperties() This method returns the properties.
void	initialize(java.lang.String name, org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec) initializes a Logical Reader. this method must be called befor the Reader can be used.
protected boolean	isStarted() tells whether the reader is started or not.
void	setLRSpec(org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec) This method sets the LRSpec.
void	setName(java.lang.String name) This method sets the name of the logical reader.
void	setProperties(java.lang.String name, org.fosstrak.ale.xsd.ale.epcglobal.LRProperty property) This method sets the LRProperty property to the logical reader named name.
protected void	setStarted() flags the reader as started.
protected void	setStopped() flags the reader as stopped.
abstract void	start() starts a basereader to read tags.
abstract void	stop() stops a reader from reading tags.
abstract void	update(org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec) updates the specification of a logical reader.

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Field Detail

readerName

protected java.lang.String readerName

name of the reader.

logicalReaderProperties

protected java.util.Map<java.lang.String,java.lang.String> logicalReaderProperties

property value pair for the reader configuration.

logicalReaderSpec

protected org.fosstrak.ale.xsd.ale.epcglobal.LRSpec logicalReaderSpec

LRSpec for the reader.

properties

protected java.util.List<org.fosstrak.ale.xsd.ale.epcglobal.LRProperty> properties

LRpoperties for the reader.

started

protected boolean started

indicates whether the reader is started or not.

Constructor Detail

LogicalReader

public LogicalReader()

constructor for the logical reader.

Method Detail

initialize

public void initialize(java.lang.String name,
                       org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec)
                throws org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationExceptionResponse

initializes a Logical Reader. this method must be called befor the Reader can be used.

Parameters:

name - the name for the reader encapsulated by this reader.

spec - the specification that describes the current reader.

Throws:

org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationException - whenever an internal error occurs.

org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationExceptionResponse

setLRSpec

public void setLRSpec(org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec)

This method sets the LRSpec.

Parameters:

spec - The spec.

getLRSpec

public org.fosstrak.ale.xsd.ale.epcglobal.LRSpec getLRSpec()

This method returns the spec.

Returns:

This is the spec of the logical reader.

setProperties

public void setProperties(java.lang.String name,
                          org.fosstrak.ale.xsd.ale.epcglobal.LRProperty property)

This method sets the LRProperty property to the logical reader named name.

Parameters:

name - name of the property

property - The property.

getProperties

public java.util.List<org.fosstrak.ale.xsd.ale.epcglobal.LRProperty> getProperties()

This method returns the properties.

Returns:

returns a list of LRProperty

setStarted

protected void setStarted()

flags the reader as started.

setStopped

protected void setStopped()

flags the reader as stopped.

isStarted

protected boolean isStarted()

tells whether the reader is started or not.

Returns:

boolean true or false

createReader

public static LogicalReader createReader(java.lang.String name,
                                         org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec)
                                  throws org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationExceptionResponse

factory method to create a new reader. this can be a CompositeReader or a BaseReader.

Parameters:

name - name of the reader

spec - the specificationFile for a Reader

Returns:

a logical reader

Throws:

org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationException - when the LogicalReader could not be built by reflection

org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationExceptionResponse

getName

public java.lang.String getName()

This method returns the name of the logical reader.

Returns:

name of this logical reader

setName

public void setName(java.lang.String name)

This method sets the name of the logical reader.

Parameters:

name - name of this logical reader

update

public abstract void update(org.fosstrak.ale.xsd.ale.epcglobal.LRSpec spec)
                     throws org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationExceptionResponse

updates the specification of a logical reader.

Parameters:

spec - an LRSpec containing the changes of the reader

Throws:

org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationException - whenever an internal error occurs

org.fosstrak.ale.wsdl.ale.epcglobal.ImplementationExceptionResponse

stop

public abstract void stop()

stops a reader from reading tags.

start

public abstract void start()

starts a basereader to read tags.