Package org.apache.ofbiz.entity.condition

Class EntityOperator<L,R>

java.lang.Object

org.apache.ofbiz.entity.condition.EntityOperator<L,R>

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

EntityComparisonOperator, EntityJoinOperator

public abstract class EntityOperator<L,R>
extends Object
implements Serializable

Base class for operators (less than, greater than, equals, etc).

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	EntityOperator.CollectionEntityComparisonOperator<E>	Comparison operator for Collection types.
static class	EntityOperator.ComparableEntityComparisonOperator<E>	Comparison operator for Comparable types.

Field Summary

Fields

Modifier and Type	Field	Description
static final EntityJoinOperator	AND
static final EntityComparisonOperator<?,?>	BETWEEN
static final EntityComparisonOperator<?,?>	EQUALS
static final EntityComparisonOperator<?,?>	GREATER_THAN
static final EntityComparisonOperator<?,?>	GREATER_THAN_EQUAL_TO
static final int	ID_AND
static final int	ID_BETWEEN
static final int	ID_EQUALS
static final int	ID_GREATER_THAN
static final int	ID_GREATER_THAN_EQUAL_TO
static final int	ID_IN
static final int	ID_LESS_THAN
static final int	ID_LESS_THAN_EQUAL_TO
static final int	ID_LIKE
static final int	ID_NOT
static final int	ID_NOT_EQUAL
static final int	ID_NOT_IN
static final int	ID_NOT_LIKE
static final int	ID_OR
static final EntityComparisonOperator<?,?>	IN
static final EntityComparisonOperator<?,?>	LESS_THAN
static final EntityComparisonOperator<?,?>	LESS_THAN_EQUAL_TO
static final EntityComparisonOperator<?,?>	LIKE
static final EntityComparisonOperator<?,?>	NOT
static final EntityComparisonOperator<?,?>	NOT_EQUAL
static final EntityComparisonOperator<?,?>	NOT_IN
static final EntityComparisonOperator<?,?>	NOT_LIKE
static final EntityJoinOperator	OR
static final Comparable<?>	WILDCARD

Constructor Summary

Constructors

Constructor	Description
EntityOperator(int id, String code)

Method Summary

Modifier and Type	Method	Description
abstract void	addSqlValue(StringBuilder sql, ModelEntity entity, List<EntityConditionParam> entityConditionParams, boolean compat, L lhs, R rhs, Datasource datasourceInfo)
void	addSqlValue(StringBuilder sql, ModelEntity entity, List<EntityConditionParam> entityConditionParams, L lhs, R rhs, Datasource datasourceInfo)	Add sql value.
protected <X> void	appendRHSBetweenList(List<EntityConditionParam> entityConditionParams, StringBuilder whereStringBuilder, ModelField field, X rhs)	Append rhs between list.
protected void	appendRHSList(List<EntityConditionParam> entityConditionParams, StringBuilder whereStringBuilder, ModelField field, R rhs)	Append rhs list.
boolean	entityMatches(GenericEntity entity, L lhs, R rhs)	Entity matches boolean.
boolean	equals(Object obj)
abstract EntityCondition	freeze(L lhs, R rhs)
String	getCode()	Gets code.
int	getId()	Gets id.
int	hashCode()
abstract boolean	isEmpty(L lhs, R rhs)
static <L, R> EntityOperator<L,R>	lookup(String name)
static <L, R> EntityComparisonOperator<L,R>	lookupComparison(String name)
static EntityJoinOperator	lookupJoin(String name)
abstract boolean	mapMatches(Delegator delegator, Map<String,? extends Object> map, L lhs, R rhs)
static <L, R> void	register(String name, EntityOperator<L,R> operator)
String	toString()
abstract void	validateSql(ModelEntity entity, L lhs, R rhs)

Methods inherited from class java.lang.Object

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

Field Details

ID_EQUALS

public static final int ID_EQUALS

See Also:

• Constant Field Values

ID_NOT_EQUAL

public static final int ID_NOT_EQUAL

See Also:

• Constant Field Values

ID_LESS_THAN

public static final int ID_LESS_THAN

See Also:

• Constant Field Values

ID_GREATER_THAN

public static final int ID_GREATER_THAN

See Also:

• Constant Field Values

ID_LESS_THAN_EQUAL_TO

public static final int ID_LESS_THAN_EQUAL_TO

See Also:

• Constant Field Values

ID_GREATER_THAN_EQUAL_TO

public static final int ID_GREATER_THAN_EQUAL_TO

See Also:

• Constant Field Values

ID_IN

public static final int ID_IN

See Also:

• Constant Field Values

ID_BETWEEN

public static final int ID_BETWEEN

See Also:

• Constant Field Values

ID_NOT

public static final int ID_NOT

See Also:

• Constant Field Values

ID_AND

public static final int ID_AND

See Also:

• Constant Field Values

ID_OR

public static final int ID_OR

See Also:

• Constant Field Values

ID_LIKE

public static final int ID_LIKE

See Also:

• Constant Field Values

ID_NOT_IN

public static final int ID_NOT_IN

See Also:

• Constant Field Values

ID_NOT_LIKE

public static final int ID_NOT_LIKE

See Also:

• Constant Field Values

EQUALS

public static final EntityComparisonOperator<?,?> EQUALS

NOT_EQUAL

public static final EntityComparisonOperator<?,?> NOT_EQUAL

LESS_THAN

public static final EntityComparisonOperator<?,?> LESS_THAN

GREATER_THAN

public static final EntityComparisonOperator<?,?> GREATER_THAN

LESS_THAN_EQUAL_TO

public static final EntityComparisonOperator<?,?> LESS_THAN_EQUAL_TO

GREATER_THAN_EQUAL_TO

public static final EntityComparisonOperator<?,?> GREATER_THAN_EQUAL_TO

IN

public static final EntityComparisonOperator<?,?> IN

BETWEEN

public static final EntityComparisonOperator<?,?> BETWEEN

NOT

public static final EntityComparisonOperator<?,?> NOT

AND

public static final EntityJoinOperator AND

OR

public static final EntityJoinOperator OR

LIKE

public static final EntityComparisonOperator<?,?> LIKE

NOT_LIKE

public static final EntityComparisonOperator<?,?> NOT_LIKE

NOT_IN

public static final EntityComparisonOperator<?,?> NOT_IN

WILDCARD

public static final Comparable<?> WILDCARD

Constructor Details

EntityOperator

public EntityOperator(int id,
 String code)

Method Details

register

public static <L,
R> void register(String name,
 EntityOperator<L,R> operator)

lookup

public static <L,
R> EntityOperator<L,R> lookup(String name)

lookupComparison

public static <L,
R> EntityComparisonOperator<L,R> lookupComparison(String name)

lookupJoin

public static EntityJoinOperator lookupJoin(String name)

getCode

public String getCode()

Gets code.

Returns:

the code

getId

public int getId()

Gets id.

Returns:

the id

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

entityMatches

public boolean entityMatches(GenericEntity entity,
 L lhs,
 R rhs)

Entity matches boolean.

Parameters:

entity - the entity

lhs - the lhs

rhs - the rhs

Returns:

the boolean

appendRHSList

protected void appendRHSList(List<EntityConditionParam> entityConditionParams,
 StringBuilder whereStringBuilder,
 ModelField field,
 R rhs)

Append rhs list.

Parameters:

entityConditionParams - the entity condition params

whereStringBuilder - the where string builder

field - the field

rhs - the rhs

appendRHSBetweenList

protected <X> void appendRHSBetweenList(List<EntityConditionParam> entityConditionParams,
 StringBuilder whereStringBuilder,
 ModelField field,
 X rhs)

Append rhs between list.

Type Parameters:

X - the type parameter

Parameters:

entityConditionParams - the entity condition params

whereStringBuilder - the where string builder

field - the field

rhs - the rhs

isEmpty

public abstract boolean isEmpty(L lhs,
 R rhs)

mapMatches

public abstract boolean mapMatches(Delegator delegator,
 Map<String,? extends Object> map,
 L lhs,
 R rhs)

validateSql

public abstract void validateSql(ModelEntity entity,
 L lhs,
 R rhs)
                          throws GenericModelException

Throws:

GenericModelException

addSqlValue

public void addSqlValue(StringBuilder sql,
 ModelEntity entity,
 List<EntityConditionParam> entityConditionParams,
 L lhs,
 R rhs,
 Datasource datasourceInfo)

Add sql value.

Parameters:

sql - the sql

entity - the entity

entityConditionParams - the entity condition params

lhs - the lhs

rhs - the rhs

datasourceInfo - the datasource info

addSqlValue

public abstract void addSqlValue(StringBuilder sql,
 ModelEntity entity,
 List<EntityConditionParam> entityConditionParams,
 boolean compat,
 L lhs,
 R rhs,
 Datasource datasourceInfo)

freeze

public abstract EntityCondition freeze(L lhs,
 R rhs)