net.sourceforge.nrl.parser.ast.constraints.impl
Class SelectionExpressionImpl

java.lang.Object
  extended by org.antlr.runtime.tree.BaseTree
      extended by org.antlr.runtime.tree.CommonTree
          extended by net.sourceforge.nrl.parser.ast.impl.Antlr3NRLBaseAst
              extended by net.sourceforge.nrl.parser.ast.constraints.impl.ConstraintImpl
                  extended by net.sourceforge.nrl.parser.ast.constraints.impl.SelectionExpressionImpl
All Implemented Interfaces:
IConstraint, IExpression, ISelectionExpression, INRLAstNode, org.antlr.runtime.tree.Tree

public class SelectionExpressionImpl
extends ConstraintImpl
implements ISelectionExpression


Field Summary
 
Fields inherited from class org.antlr.runtime.tree.CommonTree
childIndex, parent, startIndex, stopIndex, token
 
Fields inherited from class org.antlr.runtime.tree.BaseTree
children
 
Fields inherited from interface net.sourceforge.nrl.parser.ast.INRLAstNode
NEWLINE
 
Fields inherited from interface org.antlr.runtime.tree.Tree
INVALID_NODE
 
Constructor Summary
SelectionExpressionImpl(org.antlr.runtime.Token token)
           
 
Method Summary
 void accept(INRLAstVisitor visitor)
          Accept a visitor to this node.
 IConstraint getConstraint()
          Get the constraint that must hold for an element to be selected.
 IModelReference getModelReference()
          Return the model reference from which the selection is being made.
 boolean isSingleElementSelection()
          Return true if this selection is supposed to get a single element, false if it's selecting a list.
 
Methods inherited from class net.sourceforge.nrl.parser.ast.constraints.impl.ConstraintImpl
getNRLDataType, setNRLDataType
 
Methods inherited from class net.sourceforge.nrl.parser.ast.impl.Antlr3NRLBaseAst
doIndent, dump, getColumn, getLine, getUserData, initialisePositionFromChild, setColumn, setLine, setUserData
 
Methods inherited from class org.antlr.runtime.tree.CommonTree
dupNode, getCharPositionInLine, getChildIndex, getParent, getText, getToken, getTokenStartIndex, getTokenStopIndex, getType, isNil, setChildIndex, setParent, setTokenStartIndex, setTokenStopIndex, setUnknownTokenBoundaries, toString
 
Methods inherited from class org.antlr.runtime.tree.BaseTree
addChild, addChildren, createChildrenList, deleteChild, freshenParentAndChildIndexes, freshenParentAndChildIndexes, getAncestor, getAncestors, getChild, getChildCount, getChildren, getFirstChildWithType, hasAncestor, replaceChildren, sanityCheckParentAndChildIndexes, sanityCheckParentAndChildIndexes, setChild, toStringTree
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface net.sourceforge.nrl.parser.ast.constraints.IConstraint
getNRLDataType, setNRLDataType
 
Methods inherited from interface net.sourceforge.nrl.parser.ast.INRLAstNode
dump, getColumn, getLine, getUserData, setUserData
 

Constructor Detail

SelectionExpressionImpl

public SelectionExpressionImpl(org.antlr.runtime.Token token)
Method Detail

accept

public void accept(INRLAstVisitor visitor)
Description copied from interface: INRLAstNode
Accept a visitor to this node.

Specified by:
accept in interface INRLAstNode
Overrides:
accept in class Antlr3NRLBaseAst
Parameters:
visitor - the visitor

getModelReference

public IModelReference getModelReference()
Description copied from interface: ISelectionExpression
Return the model reference from which the selection is being made. This must be a collection.

Specified by:
getModelReference in interface ISelectionExpression
Returns:
the reference

getConstraint

public IConstraint getConstraint()
Description copied from interface: ISelectionExpression
Get the constraint that must hold for an element to be selected.

Specified by:
getConstraint in interface ISelectionExpression
Returns:
the constraint

isSingleElementSelection

public boolean isSingleElementSelection()
Description copied from interface: ISelectionExpression
Return true if this selection is supposed to get a single element, false if it's selecting a list.

Specified by:
isSingleElementSelection in interface ISelectionExpression
Returns:
true if single element


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