org.drools.core.reteoo.compiled
Class DeclarationsHandler

java.lang.Object
  org.drools.core.reteoo.compiled.NetworkHandlerAdaptor
      org.drools.core.reteoo.compiled.DeclarationsHandler

All Implemented Interfaces:

NetworkHandler

public class DeclarationsHandler
extends NetworkHandlerAdaptor

This handler is used to create the member declarations section of a generated subclass of a CompiledNetwork. Currently we only create member variables for the following types of nodes:

Non-hashed AlphaNodes

LeftInputAdapterNodes

BetaNodes

A Map for each set of hashed AlphaNodes. The keys are the hashed values, and the values are the IDs of the alphas

Field Summary

protected static String

NEWLINE

Constructor Summary

DeclarationsHandler(StringBuilder builder)

Method Summary

protected String	getContextVariableName(AlphaNode alphaNode)
Collection<HashedAlphasDeclaration>	getHashedAlphaDeclarations()
protected String	getVariableName(AlphaNode alphaNode)
protected String	getVariableName(ClassFieldReader fieldReader)
protected String	getVariableName(Sink sink)
protected Class<?>	getVariableType(AlphaNode alphaNode)
protected Class<?>	getVariableType(Sink sink)
void	startBetaNode(BetaNode betaNode)
void	startHashedAlphaNode(AlphaNode hashedAlpha, Object hashedValue)
void	startHashedAlphaNodes(ClassFieldReader hashedFieldReader) Receive notification of the a group of hashed org.kie.reteoo.AlphaNodes.
void	startLeftInputAdapterNode(LeftInputAdapterNode leftInputAdapterNode)
void	startNonHashedAlphaNode(AlphaNode alphaNode) Receive notification of the a non-hashed org.kie.reteoo.AlphaNode.

Methods inherited from class org.drools.core.reteoo.compiled.NetworkHandlerAdaptor

endBetaNode, endHashedAlphaNode, endHashedAlphaNodes, endLeftInputAdapterNode, endNonHashedAlphaNode, endObjectTypeNode, startObjectTypeNode

Methods inherited from class java.lang.Object

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

Field Detail

NEWLINE

protected static final String NEWLINE

See Also:

Constant Field Values

Constructor Detail

DeclarationsHandler

public DeclarationsHandler(StringBuilder builder)

Method Detail

getHashedAlphaDeclarations

public Collection<HashedAlphasDeclaration> getHashedAlphaDeclarations()

startNonHashedAlphaNode

public void startNonHashedAlphaNode(AlphaNode alphaNode)

Description copied from interface: NetworkHandler

Receive notification of the a non-hashed org.kie.reteoo.AlphaNode.

The Parser will invoke this method at the beginning of every non-hashed Alpha in the Network; there will be a corresponding endNonHashedAlphaNode() event for every startNonHashedAlphaNode() event. All of the node's decendants will be reported, in order, before the corresponding endNonHashedAlphaNode() event.

Specified by:

startNonHashedAlphaNode in interface NetworkHandler

Overrides:

startNonHashedAlphaNode in class NetworkHandlerAdaptor

Parameters:

alphaNode - non-hashed AlphaNode

See Also:

NetworkHandler.endNonHashedAlphaNode(org.drools.core.reteoo.AlphaNode)

startBetaNode

public void startBetaNode(BetaNode betaNode)

Specified by:

startBetaNode in interface NetworkHandler

Overrides:

startBetaNode in class NetworkHandlerAdaptor

startLeftInputAdapterNode

public void startLeftInputAdapterNode(LeftInputAdapterNode leftInputAdapterNode)

Specified by:

startLeftInputAdapterNode in interface NetworkHandler

Overrides:

startLeftInputAdapterNode in class NetworkHandlerAdaptor

startHashedAlphaNodes

public void startHashedAlphaNodes(ClassFieldReader hashedFieldReader)

Description copied from interface: NetworkHandler

Receive notification of the a group of hashed org.kie.reteoo.AlphaNodes.

The Parser will invoke this method at the beginning of every groups of hashed Alphas in the Network; there will be a corresponding NetworkHandler.endHashedAlphaNodes(org.drools.core.base.ClassFieldReader) event for every startHashedAlphaNodes() event. The actual alpha nodes will be reported via the NetworkHandler.startHashedAlphaNode(org.drools.core.reteoo.AlphaNode, java.lang.Object) method, along with all of the node's decendants, in order, before the corresponding NetworkHandler.endHashedAlphaNode(org.drools.core.reteoo.AlphaNode, java.lang.Object) event.

Specified by:

startHashedAlphaNodes in interface NetworkHandler

Overrides:

startHashedAlphaNodes in class NetworkHandlerAdaptor

Parameters:

hashedFieldReader - field reader that is used to access the hashed attribute

See Also:

NetworkHandler.endHashedAlphaNodes(org.drools.core.base.ClassFieldReader), NetworkHandler.startHashedAlphaNode(org.drools.core.reteoo.AlphaNode, java.lang.Object)

startHashedAlphaNode

public void startHashedAlphaNode(AlphaNode hashedAlpha,
                                 Object hashedValue)

Specified by:

startHashedAlphaNode in interface NetworkHandler

Overrides:

startHashedAlphaNode in class NetworkHandlerAdaptor

getVariableType

protected Class<?> getVariableType(AlphaNode alphaNode)

getVariableType

protected Class<?> getVariableType(Sink sink)

getVariableName

protected String getVariableName(AlphaNode alphaNode)

getContextVariableName

protected String getContextVariableName(AlphaNode alphaNode)

getVariableName

protected String getVariableName(Sink sink)

getVariableName

protected String getVariableName(ClassFieldReader fieldReader)