com.fatdog.xmlEngine
Class Variables

java.lang.Object
  com.fatdog.xmlEngine.Variables

public class Variables

extends java.lang.Object

Maintains the values of XQuery variables.

Version:

0.66

Author:

Howard Katz, howardk@fatdog.com

Field Summary

static int	FOR_INDEX
static int	LET_INDEX

Constructor Summary

Variables(TreeWalker walker)

Method Summary

void	advanceForIndex(int variableId)
ResultList	evalVariableValue(java.lang.String variableName)
int	findNamedForVariable(java.lang.String varName)
java.lang.String	getVariableName(int varId)
ResultList	getVariableValue(int varId)
int	newVariable(java.lang.String name, ResultList value, int forLetIndex)
void	unbindFollowing(int variableIx)

Methods inherited from class java.lang.Object

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

Field Detail

LET_INDEX

public static final int LET_INDEX

See Also:

Constant Field Values

FOR_INDEX

public static final int FOR_INDEX

See Also:

Constant Field Values

Constructor Detail

Variables

public Variables(TreeWalker walker)

Method Detail

newVariable

public int newVariable(java.lang.String name,
                       ResultList value,
                       int forLetIndex)

evalVariableValue

public ResultList evalVariableValue(java.lang.String variableName)
                             throws InvalidQueryException

Throws:

InvalidQueryException

findNamedForVariable

public int findNamedForVariable(java.lang.String varName)

getVariableValue

public ResultList getVariableValue(int varId)

getVariableName

public java.lang.String getVariableName(int varId)

advanceForIndex

public void advanceForIndex(int variableId)

unbindFollowing

public void unbindFollowing(int variableIx)