org.mapfish.print.processor

Class ProcessorGraphNode<In,Out>

java.lang.Object

org.mapfish.print.processor.ProcessorGraphNode<In,Out>

Type Parameters:

In - Same as Processor In parameter

Out - Same as Processor Out parameter

public final class ProcessorGraphNode<In,Out>
extends java.lang.Object

Represents one node in the Processor dependency graph (ProcessorDependencyGraph).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ProcessorGraphNode.ProcessorNodeForkJoinTask<In,Out> A ForkJoinTask that will run the processor and all of its dependencies.

Constructor Summary

Constructors

Constructor and Description
ProcessorGraphNode(Processor<In,Out> processor, com.codahale.metrics.MetricRegistry metricRegistry) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addDependency(ProcessorGraphNode node) Add a dependency to this node.
java.util.Optional<ProcessorGraphNode.ProcessorNodeForkJoinTask<In,Out>>	createTask(ProcessorExecutionContext execContext) Create a ForkJoinTask for running in a fork join pool.
java.util.Set<? extends Processor<?,?>>	getAllProcessors() Create a set containing all the processor at the current node and the entire subgraph.
protected java.util.Set<ProcessorGraphNode<?,?>>	getDependencies()
com.google.common.collect.BiMap<java.lang.String,java.lang.String>	getInputMapper() Return input mapper from processor.
java.lang.String	getName()
com.google.common.collect.BiMap<java.lang.String,java.lang.String>	getOutputMapper() Get the output mapper from processor.
Processor<?,?>	getProcessor()
protected java.util.Set<ProcessorGraphNode>	getRequirements()
boolean	hasRequirements() Returns true if the node has requirements, that is there are other nodes that should be run first.
java.lang.String	toString()
void	toString(java.lang.StringBuilder builder, int indent, java.lang.String parent) Create a string representing this node.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProcessorGraphNode

public ProcessorGraphNode(@Nonnull
                          Processor<In,Out> processor,
                          @Nonnull
                          com.codahale.metrics.MetricRegistry metricRegistry)

Constructor.

Parameters:

processor - The processor associated with this node.

metricRegistry - registry for timing the execution time of the processor.

Method Detail

getProcessor

public Processor<?,?> getProcessor()

addDependency

public void addDependency(ProcessorGraphNode node)

Add a dependency to this node.

Parameters:

node - the dependency to add.

getRequirements

protected java.util.Set<ProcessorGraphNode> getRequirements()

getDependencies

protected java.util.Set<ProcessorGraphNode<?,?>> getDependencies()

hasRequirements

public boolean hasRequirements()

Returns true if the node has requirements, that is there are other nodes that should be run first.

createTask

public java.util.Optional<ProcessorGraphNode.ProcessorNodeForkJoinTask<In,Out>> createTask(@Nonnull
                                                                                           ProcessorExecutionContext execContext)

Create a ForkJoinTask for running in a fork join pool.

Parameters:

execContext - the execution context, used for tracking certain aspects of the execution.

Returns:

a task ready to be submitted to a fork join pool.

getOutputMapper

@Nonnull
public com.google.common.collect.BiMap<java.lang.String,java.lang.String> getOutputMapper()

Get the output mapper from processor.

getInputMapper

@Nonnull
public com.google.common.collect.BiMap<java.lang.String,java.lang.String> getInputMapper()

Return input mapper from processor.

toString

public void toString(java.lang.StringBuilder builder,
                     int indent,
                     java.lang.String parent)

Create a string representing this node.

Parameters:

builder - the builder to add the string to.

indent - the number of steps of indent for this node

parent - the parent node

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getName

public java.lang.String getName()

getAllProcessors

public java.util.Set<? extends Processor<?,?>> getAllProcessors()

Create a set containing all the processor at the current node and the entire subgraph.