com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc

Class VariableTable

java.lang.Object

com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc.VariableTable

public class VariableTable
extends Object

The variable table

Version:

0.1

Author:

Michael Bouschen

Field Summary

Fields

Modifier and Type	Field and Description
protected static ResourceBundle	messages I18N support

Constructor Summary

Constructors

Constructor and Description
VariableTable(ErrorMsg errorMsg) Create an empty variable table
VariableTable(VariableTable other) Create a variable table initialized with the entries of the other variable table.

Method Summary

Modifier and Type	Method and Description
void	add(String name) Creates a new entry in the variable table with the specified name as key and an empty value.
protected void	attachConstraintToUsedAST(com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc.VariableTable.VarInfo info)
protected void	checkConstraint(String variable, com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc.VariableTable.VarInfo info)
void	checkConstraints()
void	markConstraint(JQLAST variable, JQLAST expr) Mark the specified variable as constaint with the specified expr.
void	markUsed(JQLAST variable, String dependendVar) Mark the specified variable as used.
void	merge(VariableTable other) Merges the specified variable table (other) into this variable table.

Methods inherited from class java.lang.Object

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

Field Detail

messages

protected static final ResourceBundle messages

I18N support

Constructor Detail

VariableTable

public VariableTable(ErrorMsg errorMsg)

Create an empty variable table

VariableTable

public VariableTable(VariableTable other)

Create a variable table initialized with the entries of the other variable table. The constructor creates copies of the values stored in the map (instances of class VarInfo).

Method Detail

add

public void add(String name)

Creates a new entry in the variable table with the specified name as key and an empty value.

markUsed

public void markUsed(JQLAST variable,
                     String dependendVar)

Mark the specified variable as used. The method sets the info field of the VarInfo object to true.

markConstraint

public void markConstraint(JQLAST variable,
                           JQLAST expr)

Mark the specified variable as constaint with the specified expr. The method sets the constraint field of the VarInfo object to true.

merge

public void merge(VariableTable other)

Merges the specified variable table (other) into this variable table.

checkConstraints

public void checkConstraints()

checkConstraint

protected void checkConstraint(String variable,
                               com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc.VariableTable.VarInfo info)

attachConstraintToUsedAST

protected void attachConstraintToUsedAST(com.sun.jdo.spi.persistence.support.sqlstore.query.jqlc.VariableTable.VarInfo info)