Package org.ofbiz.core.entity

Class EntityExpr

java.lang.Object

org.ofbiz.core.entity.EntityCondition

org.ofbiz.core.entity.EntityExpr

All Implemented Interfaces:

Serializable

public class EntityExpr
extends EntityCondition

Encapsulates simple expressions used for specifying queries

Since:

2.0

Version:

$Revision: 1.1 $

Author:

David E. Jones

See Also:

• Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EntityExpr()
	EntityExpr(String lhs, boolean leftUpper, EntityOperator operator, Object rhs, boolean rightUpper)
	EntityExpr(String lhs, EntityOperator operator, Object rhs)
	EntityExpr(EntityCondition lhs, EntityOperator operator, EntityCondition rhs)

Method Summary

Modifier and Type	Method	Description
void	checkCondition(ModelEntity modelEntity)	Checks this condition against the given entity.
Object	getLhs()
EntityOperator	getOperator()
int	getParameterCount(ModelEntity modelEntity, SqlEscapeHelper sqlEscapeHelper)	Returns the number of SQL parameters that would be generated for this condition.
Object	getRhs()
boolean	isLUpper()
boolean	isRUpper()
String	makeWhereString(ModelEntity modelEntity, List<? super EntityConditionParam> entityConditionParams, SqlEscapeHelper sqlEscapeHelper)	Creates a string for use in a WHERE clause, based on this condition.
void	setLUpper(boolean upper)
void	setRUpper(boolean upper)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

EntityExpr

protected EntityExpr()

EntityExpr

public EntityExpr(String lhs,
 EntityOperator operator,
 Object rhs)

EntityExpr

public EntityExpr(String lhs,
 boolean leftUpper,
 EntityOperator operator,
 Object rhs,
 boolean rightUpper)

EntityExpr

public EntityExpr(EntityCondition lhs,
 EntityOperator operator,
 EntityCondition rhs)

Method Details

setLUpper

public void setLUpper(boolean upper)

isLUpper

public boolean isLUpper()

isRUpper

public boolean isRUpper()

setRUpper

public void setRUpper(boolean upper)

getLhs

public Object getLhs()

getOperator

public EntityOperator getOperator()

getRhs

public Object getRhs()

makeWhereString

public String makeWhereString(ModelEntity modelEntity,
 List<? super EntityConditionParam> entityConditionParams,
 SqlEscapeHelper sqlEscapeHelper)

Description copied from class: EntityCondition

Creates a string for use in a WHERE clause, based on this condition.

Specified by:

makeWhereString in class EntityCondition

Parameters:

modelEntity - the entity being queried for (required)

entityConditionParams - a non-null list to which this method will add any required bind values

Returns:

a non-null string

checkCondition

public void checkCondition(ModelEntity modelEntity)
                    throws GenericModelException

Description copied from class: EntityCondition

Checks this condition against the given entity.

Specified by:

checkCondition in class EntityCondition

Parameters:

modelEntity - the entity being queried for (required)

Throws:

GenericModelException - if the condition is not met

getParameterCount

public int getParameterCount(ModelEntity modelEntity,
 SqlEscapeHelper sqlEscapeHelper)

Description copied from class: EntityCondition

Returns the number of SQL parameters that would be generated for this condition.

Overrides:

getParameterCount in class EntityCondition

Parameters:

modelEntity - the entity being queried for (required)

Returns:

the number of SQL parameters.

toString

public String toString()

Overrides:

toString in class Object