Package jadex.javaparser.javaccimpl

Class SelectNode

java.lang.Object

jadex.javaparser.javaccimpl.SimpleNode

jadex.javaparser.javaccimpl.ExpressionNode

jadex.javaparser.javaccimpl.SelectNode

All Implemented Interfaces:

IParsedExpression, Node, java.io.Serializable

public class SelectNode
extends ExpressionNode

Node for OQL like select statements.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static int	ALL	The selection mode for returning a set of elements (default).
static int	ANY	The selection mode for returning the first matching element.
static int	ASC	The ascending order direction.
static int	DESC	The descending order direction.
static int	IOTA	The selection mode for returning a single matching element.
protected int	mode	The selection mode.
protected int	order	The order direction.
protected boolean	orderby	The flag indicating presence of an order by clause.
protected java.lang.String[]	vars	The variable names.
protected boolean	where	The flag indicating presence of a where clause.

Fields inherited from class jadex.javaparser.javaccimpl.ExpressionNode

constant, constant_value, expressiontext, imports, static_type, text

Fields inherited from class jadex.javaparser.javaccimpl.SimpleNode

children, id, parent

Constructor Summary

Constructors

Constructor	Description
SelectNode(jadex.javaparser.javaccimpl.ParserImpl p, int id)	Create a node.

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)	Test if two nodes are equal.
static int	fromString(java.lang.String mode)	Convert a selection mode from a string representation.
ParameterNode[]	getUnboundParameterNodes()	Get unbound parameter nodes.
java.lang.Object	getValue(IValueFetcher fetcher)	Evaluate the expression in the given state with respect to given parameters.
int	hashCode()	Get the hash code for the node.
static int	orderFromString(java.lang.String order)	Convert an ordering direction from a string representation.
static java.lang.String	orderToString(int order)	Convert an ordering direction to a string representation.
void	precompile()	Precompile the node.
void	setOrder(java.lang.String order)	Set the ordering direction.
void	setOrderBy(boolean orderby)	Set the where order by flag.
void	setText(java.lang.String text)	Set the token text.
void	setVariables(java.lang.String[] vars)	Set the variable names.
void	setWhere(boolean where)	Set the where clause flag.
java.lang.String	toPlainString()	Create a string representation of this node and its subnodes.
static java.lang.String	toString(int mode)	Convert a selection mode to a string representation.

Methods inherited from class jadex.javaparser.javaccimpl.ExpressionNode

appendText, getConstantValue, getExpressionText, getParameters, getStaticType, getText, isConstant, precompileTree, setConstant, setConstantValue, setExpressionText, setStaticType, subnodeToString, throwEvaluationException, throwParseException, toString, toString

Methods inherited from class jadex.javaparser.javaccimpl.SimpleNode

dump, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ALL

public static final int ALL

The selection mode for returning a set of elements (default).

See Also:

Constant Field Values

ANY

public static final int ANY

The selection mode for returning the first matching element.

See Also:

Constant Field Values

IOTA

public static final int IOTA

The selection mode for returning a single matching element.

See Also:

Constant Field Values

ASC

public static final int ASC

The ascending order direction.

See Also:

Constant Field Values

DESC

public static final int DESC

The descending order direction.

See Also:

Constant Field Values

mode

protected int mode

The selection mode.

vars

protected java.lang.String[] vars

The variable names.

where

protected boolean where

The flag indicating presence of a where clause.

orderby

protected boolean orderby

The flag indicating presence of an order by clause.

order

protected int order

The order direction.

Constructor Detail

SelectNode

public SelectNode(jadex.javaparser.javaccimpl.ParserImpl p,
                  int id)

Create a node.

Parameters:

p - The parser.

id - The id.

Method Detail

setText

public void setText(java.lang.String text)

Set the token text.

Overrides:

setText in class ExpressionNode

Parameters:

text - The token text.

setVariables

public void setVariables(java.lang.String[] vars)

Set the variable names.

setWhere

public void setWhere(boolean where)

Set the where clause flag.

setOrderBy

public void setOrderBy(boolean orderby)

Set the where order by flag.

setOrder

public void setOrder(java.lang.String order)

Set the ordering direction.

precompile

public void precompile()

Precompile the node.

Overrides:

precompile in class ExpressionNode

getValue

public java.lang.Object getValue(IValueFetcher fetcher)

Evaluate the expression in the given state with respect to given parameters.

Specified by:

getValue in interface IParsedExpression

Specified by:

getValue in class ExpressionNode

Parameters:

params - The parameters (string, value pairs), if any.

Returns:

The value of the term.

toPlainString

public java.lang.String toPlainString()

Create a string representation of this node and its subnodes.

Specified by:

toPlainString in interface Node

Overrides:

toPlainString in class ExpressionNode

Returns:

A string representation of this node.

getUnboundParameterNodes

public ParameterNode[] getUnboundParameterNodes()

Get unbound parameter nodes.

Overrides:

getUnboundParameterNodes in class ExpressionNode

Returns:

The unbound parameter nodes.

toString

public static java.lang.String toString(int mode)

Convert a selection mode to a string representation.

Parameters:

mode - The mode

Returns:

A string representation of the mode.

orderToString

public static java.lang.String orderToString(int order)

Convert an ordering direction to a string representation.

Parameters:

order - The ordering direction

Returns:

A string representation of the ordering direction.

fromString

public static int fromString(java.lang.String mode)

Convert a selection mode from a string representation.

Parameters:

mode - The mode as string.

Returns:

The int value of the mode.

orderFromString

public static int orderFromString(java.lang.String order)

Convert an ordering direction from a string representation.

Parameters:

order - The ordering direction as string.

Returns:

The int value of the ordering direction.

equals

public boolean equals(java.lang.Object o)

Test if two nodes are equal.

Overrides:

equals in class ExpressionNode

hashCode

public int hashCode()

Get the hash code for the node.

Overrides:

hashCode in class ExpressionNode