org.drools.rule
Class QueryElement

java.lang.Object
  extended by org.drools.rule.ConditionalElement
      extended by org.drools.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)
           
 
Method Summary
 Object clone()
          Returns a clone from itself
 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()
           
 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
equals, finalize, getClass, hashCode, 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)
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()

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 Object 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


Copyright © 2001-2013 JBoss Inc.. All Rights Reserved.