BinaryExpressionPredicate (OpenJPA Parent POM 2.4.0 API)

java.lang.Object
- org.apache.openjpa.persistence.query.AbstractVisitable
- - org.apache.openjpa.persistence.query.BinaryExpressionPredicate

All Implemented Interfaces:

Serializable, Predicate, Visitable

Direct Known Subclasses:

BetweenExpression, EqualExpression, GreaterEqualExpression, GreaterThanExpression, InExpression, LessEqualExpression, LessThanExpression, LikeExpression, MemberOfExpression, NotEqualExpression
```
 class BinaryExpressionPredicate
extends AbstractVisitable
implements Predicate, Visitable
```
Binary predicate combines two expressions with an operator.

Author:

Pinaki Poddar

Field Summary

Fields
Modifier and Type Field and Description

protected Expression _e1

protected Expression _e2

protected BinaryConditionalOperator _op
- Fields inherited from class org.apache.openjpa.persistence.query.AbstractVisitable
  CLOSE_BRACE, COMMA, EMPTY, OPEN_BRACE

Fields
Modifier and Type	Field and Description
`protected Expression`	`_e1`
`protected Expression`	`_e2`
`protected BinaryConditionalOperator`	`_op`

Constructor Summary

Constructors
Constructor and Description
`BinaryExpressionPredicate(Expression e1, BinaryConditionalOperator op, BinaryConditionalOperator nop, Expression e2)`

Method Summary

Methods
Modifier and Type	Method and Description
`Predicate`	`and(Predicate predicate)` Creates an AND of the predicate with the argument.
`String`	`asExpression(AliasContext ctx)` Get a JPQL fragment as used in WHERE clause.
`(package private) String`	`asExpression(Visitable v, AliasContext ctx)`
`Expression`	`getOperand()`
`Expression`	`getOperand2()`
`BinaryConditionalOperator`	`getOperator()`
`Predicate`	`not()` Creates a negation of the predicate with the argument.
`Predicate`	`or(Predicate predicate)` Creates an OR of the predicate with the argument.

Methods inherited from class org.apache.openjpa.persistence.query.AbstractVisitable
asJoinable, asProjection, getAliasHint

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.openjpa.persistence.query.Visitable
asJoinable, asProjection, getAliasHint

- Field Detail
  - _e1
```
protected final Expression _e1
```
  - _e2
```
protected final Expression _e2
```
  - _op
```
protected final BinaryConditionalOperator _op
```
- Constructor Detail
  - BinaryExpressionPredicate
```
BinaryExpressionPredicate(Expression e1,
                         BinaryConditionalOperator op,
                         BinaryConditionalOperator nop,
                         Expression e2)
```
- Method Detail
  - getOperand
```
public final Expression getOperand()
```
  - getOperand2
```
public final Expression getOperand2()
```
  - getOperator
```
public final BinaryConditionalOperator getOperator()
```
  - and
```
public Predicate and(Predicate predicate)
```
    Description copied from interface: Predicate
    
    Creates an AND of the predicate with the argument.
    
    Specified by:
    
    and in interface Predicate
    
    Parameters:
    predicate - - A simple or compound predicate
    
    Returns:
    the predicate that is the AND of the original simple or compound predicate and the argument.
  - or
```
public Predicate or(Predicate predicate)
```
    Description copied from interface: Predicate
    
    Creates an OR of the predicate with the argument.
    
    Specified by:
    
    or in interface Predicate
    
    Parameters:
    predicate - - A simple or compound predicate
    
    Returns:
    the predicate that is the OR of the original simple or compound predicate and the argument.
  - not
```
public Predicate not()
```
    Description copied from interface: Predicate
    
    Creates a negation of the predicate with the argument.
    
    Specified by:
    
    not in interface Predicate
    
    Returns:
    the predicate that is the negation of the original simple or compound predicate.
  - asExpression
```
public String asExpression(AliasContext ctx)
```
    Description copied from interface: Visitable
    
    Get a JPQL fragment as used in WHERE clause.
    
    Specified by:
    
    asExpression in interface Visitable
    
    Overrides:
    
    asExpression in class AbstractVisitable
  - asExpression
```
String asExpression(Visitable v,
                  AliasContext ctx)
```

Class BinaryExpressionPredicate

Field Summary

Fields inherited from class org.apache.openjpa.persistence.query.AbstractVisitable

Constructor Summary

Method Summary

Methods inherited from class org.apache.openjpa.persistence.query.AbstractVisitable

Methods inherited from class java.lang.Object

Methods inherited from interface org.apache.openjpa.persistence.query.Visitable

Field Detail

_e1

_e2

_op

Constructor Detail

BinaryExpressionPredicate

Method Detail

getOperand

getOperand2

getOperator

and

or

not

asExpression

asExpression