Package org.drools.core.rule

Class QueryElement

java.lang.Object

org.drools.core.rule.ConditionalElement

org.drools.core.rule.QueryElement

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, RuleComponent, RuleConditionElement

public class QueryElement
extends ConditionalElement
implements java.io.Externalizable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
QueryElement()
QueryElement(Pattern resultPattern, java.lang.String queryName, QueryArgument[] arguments, int[] variableIndexes, Declaration[] requiredDeclarations, boolean openQuery, boolean abductive)

Method Summary

Modifier and Type	Method	Description
QueryElement	clone()	Returns a clone from itself
boolean	equals(java.lang.Object obj)
QueryArgument[]	getArguments()
java.util.Map<java.lang.String,Declaration>	getInnerDeclarations()	Returns a Map of declarations that are visible inside this conditional element
java.util.List<? extends RuleConditionElement>	getNestedElements()	Returs a list of RuleConditionElement's that are nested inside the current element
java.util.Map<java.lang.String,Declaration>	getOuterDeclarations()	Returns a Map of declarations that are visible outside this conditional element.
java.lang.String	getQueryName()
Declaration[]	getRequiredDeclarations()
Pattern	getResultPattern()
int[]	getVariableIndexes()
int	hashCode()
boolean	isAbductive()
boolean	isOpenQuery()
boolean	isPatternScopeDelimiter()	Returns true in case this RuleConditionElement delimits a pattern visibility scope.
void	readExternal(java.io.ObjectInput in)
Declaration	resolveDeclaration(java.lang.String identifier)	Resolves the given identifier in the current scope and returns the Declaration object for the declaration.
void	setVariableIndexes(int[] variableIndexes)
java.lang.String	toString()
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

QueryElement

public QueryElement()

QueryElement

public QueryElement(Pattern resultPattern,
                    java.lang.String queryName,
                    QueryArgument[] arguments,
                    int[] variableIndexes,
                    Declaration[] requiredDeclarations,
                    boolean openQuery,
                    boolean abductive)

Method Detail

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

getVariableIndexes

public int[] getVariableIndexes()

setVariableIndexes

public void setVariableIndexes(int[] variableIndexes)

getQueryName

public java.lang.String getQueryName()

getArguments

public QueryArgument[] getArguments()

getInnerDeclarations

public java.util.Map<java.lang.String,Declaration> getInnerDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible inside this conditional element

Specified by:

getInnerDeclarations in interface RuleConditionElement

Returns:

getOuterDeclarations

public java.util.Map<java.lang.String,Declaration> getOuterDeclarations()

Description copied from interface: RuleConditionElement

Returns a Map of declarations that are visible outside this conditional element.

Specified by:

getOuterDeclarations in interface RuleConditionElement

Returns:

getNestedElements

public java.util.List<? extends RuleConditionElement> getNestedElements()

Description copied from interface: RuleConditionElement

Returs a list of RuleConditionElement's that are nested inside the current element

Specified by:

getNestedElements in interface RuleConditionElement

Returns:

getResultPattern

public Pattern getResultPattern()

isPatternScopeDelimiter

public boolean isPatternScopeDelimiter()

Description copied from interface: RuleConditionElement

Returns true in case this RuleConditionElement delimits a pattern visibility scope. For instance, AND CE is not a scope delimiter, while NOT CE is a scope delimiter

Specified by:

isPatternScopeDelimiter in interface RuleConditionElement

Returns:

getRequiredDeclarations

public Declaration[] getRequiredDeclarations()

isOpenQuery

public boolean isOpenQuery()

isAbductive

public boolean isAbductive()

resolveDeclaration

public Declaration resolveDeclaration(java.lang.String identifier)

Description copied from interface: RuleConditionElement

Resolves the given identifier in the current scope and returns the Declaration object for the declaration. Returns null if identifier can not be resolved.

Specified by:

resolveDeclaration in interface RuleConditionElement

Returns:

clone

public QueryElement clone()

Description copied from interface: RuleConditionElement

Returns a clone from itself

Specified by:

clone in interface RuleConditionElement

Specified by:

clone in class ConditionalElement

Returns:

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object