Package org.esa.snap.core.gpf.graph

Class GraphProcessor

java.lang.Object

org.esa.snap.core.gpf.graph.GraphProcessor

public class GraphProcessor
extends Object

The GraphProcessor is responsible for executing processing graphs.

Since:

4.1

Constructor Summary

Constructors

Constructor	Description
GraphProcessor()	Creates a new instance og GraphProcessor.

Method Summary

Modifier and Type	Method	Description
void	addObserver(GraphProcessingObserver processingObserver)	Adds an observer to this graph popcessor.
Product[]	executeGraph(GraphContext graphContext, ProgressMonitor pm)	Executes the graph given by GraphContext.
void	executeGraph(Graph graph, ProgressMonitor pm)	Executes the graph using a new default GraphContext.
Logger	getLogger()	Gets the logger.
GraphProcessingObserver[]	getObservers()	Gets all observers currently attached to this GraphProcessor.
void	setLogger(Logger logger)	Sets a logger.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphProcessor

public GraphProcessor()

Creates a new instance og GraphProcessor.

Method Detail

getLogger

public Logger getLogger()

Gets the logger.

Returns:

the logger

setLogger

public void setLogger(Logger logger)

Sets a logger.

Parameters:

logger - a logger

addObserver

public void addObserver(GraphProcessingObserver processingObserver)

Adds an observer to this graph popcessor. GraphProcessingObservers are informed about processing steps of the currently running processing graph.

Parameters:

processingObserver - the observer

See Also:

GraphProcessingObserver

getObservers

public GraphProcessingObserver[] getObservers()

Gets all observers currently attached to this GraphProcessor.

Returns:

the observers

executeGraph

public void executeGraph(Graph graph,
                         ProgressMonitor pm)
                  throws GraphException

Executes the graph using a new default GraphContext.

Parameters:

graph - the Graph

pm - a progress monitor. Can be used to signal progress.

Throws:

GraphException - if any error occurs during execution

See Also:

executeGraph(GraphContext, com.bc.ceres.core.ProgressMonitor)

executeGraph

public Product[] executeGraph(GraphContext graphContext,
                              ProgressMonitor pm)

Executes the graph given by GraphContext.

Parameters:

graphContext - the GraphContext to execute

pm - a progress monitor. Can be used to signal progress.

Returns:

the output products of the executed graph