org.drools.core.rule
Class QueryElement

java.lang.Object
  org.drools.core.rule.ConditionalElement
      org.drools.core.rule.QueryElement

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, RuleConditionElement, RuleComponent

public class QueryElement
extends ConditionalElement
implements Externalizable

See Also:

Serialized Form

Constructor Summary

QueryElement()

QueryElement(Pattern resultPattern, String queryName, Object[] argTemplate, Declaration[] requiredDeclarations, int[] declIndexes, int[] variableIndexes, boolean openQuery, boolean abductive)

Method Summary

QueryElement	clone() Returns a clone from itself
boolean	equals(Object obj)
Object[]	getArgTemplate()
int[]	getDeclIndexes()
Map	getInnerDeclarations() Returns a Map of declarations that are visible inside this conditional element
List	getNestedElements() Returs a list of RuleConditionElement's that are nested inside the current element
Map	getOuterDeclarations() Returns a Map of declarations that are visible outside this conditional element.
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(ObjectInput in)
Declaration	resolveDeclaration(String identifier) Resolves the given identifier in the current scope and returns the Declaration object for the declaration.
void	setVariableIndexes(int[] varIndexes)
String	toString()
void	writeExternal(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,
                    String queryName,
                    Object[] argTemplate,
                    Declaration[] requiredDeclarations,
                    int[] declIndexes,
                    int[] variableIndexes,
                    boolean openQuery,
                    boolean abductive)

Method Detail

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

getQueryName

public String getQueryName()

getArgTemplate

public Object[] getArgTemplate()

getDeclIndexes

public int[] getDeclIndexes()

setVariableIndexes

public void setVariableIndexes(int[] varIndexes)

getVariableIndexes

public int[] getVariableIndexes()

getInnerDeclarations

public Map 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 Map 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 List 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(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 String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object