org.mule.common.query
Class DefaultOperatorVisitor

java.lang.Object
  org.mule.common.query.DefaultOperatorVisitor

All Implemented Interfaces:

OperatorVisitor

public class DefaultOperatorVisitor
extends Object
implements OperatorVisitor

Operator visitor intended to translate DSQL query operators to your native ones. The behaviour is similar to DefaultQueryVisitor. With the difference that translation must be atomic (ie, the visit methods must return an string).

Field Summary

static String	EQUALS
static String	GREATER
static String	GREATER_OR_EQUALS
static String	LESS
static String	LESS_OR_EQUALS
static String	LIKE
static String	NOT_EQUALS

Constructor Summary

DefaultOperatorVisitor()

Method Summary

void	_dont_implement_OperatorVisitor___instead_extend_DefaultOperatorVisitor() This method simply acts a friendly reminder not to implement OperatorVisitor directly and instead extend DefaultOperatorVisitor.
String	equalsOperator()
String	greaterOperator()
String	greaterOrEqualsOperator()
String	lessOperator()
String	lessOrEqualsOperator()
String	likeOperator()
String	notEqualsOperator()

Methods inherited from class java.lang.Object

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

Field Detail

LIKE

public static final String LIKE

See Also:

Constant Field Values

GREATER_OR_EQUALS

public static final String GREATER_OR_EQUALS

See Also:

Constant Field Values

NOT_EQUALS

public static final String NOT_EQUALS

See Also:

Constant Field Values

EQUALS

public static final String EQUALS

See Also:

Constant Field Values

LESS_OR_EQUALS

public static final String LESS_OR_EQUALS

See Also:

Constant Field Values

GREATER

public static final String GREATER

See Also:

Constant Field Values

LESS

public static final String LESS

See Also:

Constant Field Values

Constructor Detail

DefaultOperatorVisitor

public DefaultOperatorVisitor()

Method Detail

lessOperator

public String lessOperator()

Specified by:

lessOperator in interface OperatorVisitor

greaterOperator

public String greaterOperator()

Specified by:

greaterOperator in interface OperatorVisitor

lessOrEqualsOperator

public String lessOrEqualsOperator()

Specified by:

lessOrEqualsOperator in interface OperatorVisitor

equalsOperator

public String equalsOperator()

Specified by:

equalsOperator in interface OperatorVisitor

notEqualsOperator

public String notEqualsOperator()

Specified by:

notEqualsOperator in interface OperatorVisitor

greaterOrEqualsOperator

public String greaterOrEqualsOperator()

Specified by:

greaterOrEqualsOperator in interface OperatorVisitor

likeOperator

public String likeOperator()

Specified by:

likeOperator in interface OperatorVisitor

_dont_implement_OperatorVisitor___instead_extend_DefaultOperatorVisitor

public void _dont_implement_OperatorVisitor___instead_extend_DefaultOperatorVisitor()

Description copied from interface: OperatorVisitor

This method simply acts a friendly reminder not to implement OperatorVisitor directly and instead extend DefaultOperatorVisitor.

Specified by:

_dont_implement_OperatorVisitor___instead_extend_DefaultOperatorVisitor in interface OperatorVisitor