org.evolvica.engine
Class AbstractElement

java.lang.Object
  org.evolvica.engine.AbstractElement

All Implemented Interfaces:

IElement

Direct Known Subclasses:

ConduitElement, ConnectorElement, ForkElement, JoinElement, SinkElement, SourceElement

public abstract class AbstractElement

extends java.lang.Object

implements IElement

Abstract algorithm element.

Since:

0.4.0

Version:

$Revision: 1.7 $ $Date: 2004/05/26 11:58:21 $

Author:

Andreas Rummler

Field Summary

protected IAlgorithm	algorithm The algorithm this element belongs to.
protected IConnection[]	incoming Incoming connections.
protected java.lang.Object[]	input Input data.
protected IConnection[]	outgoing Outgoing connections.
protected java.lang.Object[]	output Output data.

Constructor Summary

AbstractElement(int incomingSlots, int outgoingSlots)
Constructor.

Method Summary

void	addPropertyChangeListener(java.beans.PropertyChangeListener listener) Adds a property change listener to this element.
void	firePropertyChangeEvent(java.beans.PropertyChangeEvent event) Fires a property change event.
IAlgorithm	getAlgorithm() Returns the algorithm this element is contained in.
IConnection	getIncoming(int index) Gets an incoming connection.
int	getIncomingIndex(IConnection connection) Returns the index of the given incoming connection.
Metadata	getMetadata(java.lang.String path) Returns a metadata object for this element from the associated metadata store.
IConnection	getOutgoing(int index) Gets an outgoing connection.
int	getOutgoingIndex(IConnection connection) Returns the index of the given outgoing connection.
java.lang.Object[]	getOutput() Gets the output data
int	incomingSize() Returns the number of incoming connections.
int	outgoingSize() Returns the number of outgoing connections.
void	removeConnection(IConnection connection) Removes a connection from this element.
void	removePropertyChangeListener(java.beans.PropertyChangeListener listener) Removes a property change listener from this element.
void	setAlgorithm(IAlgorithm algorithm) Sets the algorithm this element belongs to.
void	setIncoming(IConnection connection, int index) Sets an incoming connection.
void	setInput(java.lang.Object[] input) Sets the input data.
void	setMetadata(Metadata data) Sets a metadata object for this element.
void	setOutgoing(IConnection connection, int index) Sets an outgoing connection.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.evolvica.engine.IElement

activate, getOperator, isActivatable, setIncomingSize, setOutgoingSize

Field Detail

algorithm

protected IAlgorithm algorithm

The algorithm this element belongs to.

incoming

protected IConnection[] incoming

Incoming connections.

outgoing

protected IConnection[] outgoing

Outgoing connections.

input

protected java.lang.Object[] input

Input data.

output

protected java.lang.Object[] output

Output data.

Constructor Detail

AbstractElement

public AbstractElement(int incomingSlots,
                       int outgoingSlots)

Constructor.

Parameters:

incomingSlots - number of input slots

outgoingSlots - number of output slots

Method Detail

getAlgorithm

public IAlgorithm getAlgorithm()

Description copied from interface: IElement

Returns the algorithm this element is contained in.

Specified by:

getAlgorithm in interface IElement

Returns:

algorithm this element is contained in

See Also:

IElement.getAlgorithm()

setAlgorithm

public void setAlgorithm(IAlgorithm algorithm)

Description copied from interface: IElement

Sets the algorithm this element belongs to.

Specified by:

setAlgorithm in interface IElement

Parameters:

algorithm - the algorithm this element belongs to

See Also:

IElement.setAlgorithm(org.evolvica.engine.IAlgorithm)

getMetadata

public Metadata getMetadata(java.lang.String path)

Description copied from interface: IElement

Returns a metadata object for this element from the associated metadata store. The metadata is stored in the associated algorithms metadata store.

Specified by:

getMetadata in interface IElement

Parameters:

path - metadata path

Returns:

metadata object or null if no such object exists

See Also:

IElement.getMetadata(java.lang.String)

setMetadata

public void setMetadata(Metadata data)

Description copied from interface: IElement

Sets a metadata object for this element. The metadata is stored in the associated algorithms metadata store.

Specified by:

setMetadata in interface IElement

Parameters:

data - metadata object

See Also:

IElement.setMetadata(org.evolvica.util.Metadata)

incomingSize

public int incomingSize()

Description copied from interface: IElement

Returns the number of incoming connections.

Specified by:

incomingSize in interface IElement

Returns:

number of incoming connections

See Also:

IElement.incomingSize()

outgoingSize

public int outgoingSize()

Description copied from interface: IElement

Returns the number of outgoing connections.

Specified by:

outgoingSize in interface IElement

Returns:

number of outgoing connections

See Also:

IElement.outgoingSize()

getIncoming

public IConnection getIncoming(int index)

Description copied from interface: IElement

Gets an incoming connection.

Specified by:

getIncoming in interface IElement

Parameters:

index - index of the connection

Returns:

incoming connection with the specified index

See Also:

IElement.getIncoming(int)

getIncomingIndex

public int getIncomingIndex(IConnection connection)

Description copied from interface: IElement

Returns the index of the given incoming connection.

Specified by:

getIncomingIndex in interface IElement

Parameters:

connection - incoming connection

Returns:

index of the connection or -1 if the connection is not an incoming connection for this element

See Also:

IElement.getIncomingIndex(org.evolvica.engine.IConnection)

setIncoming

public void setIncoming(IConnection connection,
                        int index)

Description copied from interface: IElement

Sets an incoming connection.

Specified by:

setIncoming in interface IElement

Parameters:

connection - connection to set

index - index of the coonection

See Also:

IElement.setIncoming(org.evolvica.engine.IConnection, int)

getOutgoing

public IConnection getOutgoing(int index)

Description copied from interface: IElement

Gets an outgoing connection.

Specified by:

getOutgoing in interface IElement

Parameters:

index - index of the connection

Returns:

outgoing connection with the specified index

See Also:

IElement.getOutgoing(int)

getOutgoingIndex

public int getOutgoingIndex(IConnection connection)

Description copied from interface: IElement

Returns the index of the given outgoing connection.

Specified by:

getOutgoingIndex in interface IElement

Parameters:

connection - outgoing connection

Returns:

index of the connection or -1 if the connection is not an outgoing connection for this element

See Also:

IElement.getOutgoingIndex(org.evolvica.engine.IConnection)

removeConnection

public void removeConnection(IConnection connection)

Description copied from interface: IElement

Removes a connection from this element.

Specified by:

removeConnection in interface IElement

Parameters:

connection - connection to be removed

See Also:

IElement.removeConnection(org.evolvica.engine.IConnection)

setOutgoing

public void setOutgoing(IConnection connection,
                        int index)

Description copied from interface: IElement

Sets an outgoing connection.

Specified by:

setOutgoing in interface IElement

Parameters:

connection - connection to set

index - index of the coonection

See Also:

IElement.setOutgoing(org.evolvica.engine.IConnection, int)

setInput

public void setInput(java.lang.Object[] input)

Sets the input data.

Parameters:

input - input data

getOutput

public java.lang.Object[] getOutput()

Gets the output data

Returns:

output data

addPropertyChangeListener

public void addPropertyChangeListener(java.beans.PropertyChangeListener listener)

Description copied from interface: IElement

Adds a property change listener to this element.

Specified by:

addPropertyChangeListener in interface IElement

Parameters:

listener - property change listener to be added

See Also:

IElement.addPropertyChangeListener(java.beans.PropertyChangeListener)

removePropertyChangeListener

public void removePropertyChangeListener(java.beans.PropertyChangeListener listener)

Description copied from interface: IElement

Removes a property change listener from this element.

Specified by:

removePropertyChangeListener in interface IElement

Parameters:

listener - property change listener to be removed

See Also:

IElement.removePropertyChangeListener(java.beans.PropertyChangeListener)

firePropertyChangeEvent

public void firePropertyChangeEvent(java.beans.PropertyChangeEvent event)

Description copied from interface: IElement

Fires a property change event.

Specified by:

firePropertyChangeEvent in interface IElement

Parameters:

event - event to be fired

See Also:

IElement.firePropertyChangeEvent(java.beans.PropertyChangeEvent)