org.apache.openjpa.persistence.query
Class BinaryOperatorExpression

java.lang.Object
  org.apache.openjpa.persistence.query.AbstractVisitable
      org.apache.openjpa.persistence.query.ExpressionImpl
          org.apache.openjpa.persistence.query.BinaryOperatorExpression

All Implemented Interfaces:

Serializable, Expression, OrderByItem, PredicateOperand, SelectItem, Visitable

Direct Known Subclasses:

DividedByExpression, LocateExpression, MinusExpression, ModExpression, PlusExpression, RangeExpression, TimesExpression

public class BinaryOperatorExpression
extends ExpressionImpl

An expression resulting from a binary operation on two expressions.

Author:

Pinaki Poddar

See Also:

Serialized Form

Field Summary

protected Expression	_e1
protected Expression	_e2
protected BinaryFunctionalOperator	_op

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

CLOSE_BRACE, COMMA, EMPTY, OPEN_BRACE, SPACE

Constructor Summary

BinaryOperatorExpression(Expression e1, BinaryFunctionalOperator op, Expression e2)

Method Summary

String	asExpression(AliasContext ctx) Get a JPQL fragment as used in WHERE clause.
String	asProjection(AliasContext ctx) Gets the string representation in SELECT projection.
Expression	getOperand1()
Expression	getOperand2()
BinaryFunctionalOperator	getOperator()

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

abs, asc, between, between, between, between, between, between, between, between, between, between, between, between, between, concat, concat, desc, dividedBy, dividedBy, equal, equal, equal, equal, equal, equal, equal, equal, getAliasHint, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterThan, greaterThan, greaterThan, greaterThan, greaterThan, in, in, in, in, in, in, isNull, length, lessEqual, lessEqual, lessEqual, lessEqual, lessEqual, lessThan, lessThan, lessThan, lessThan, lessThan, like, like, like, like, like, like, locate, locate, locate, locate, locate, locate, lower, member, minus, minus, minus, mod, mod, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, plus, plus, sqrt, substring, substring, substring, substring, substring, substring, times, times, trim, trim, trim, trim, trim, trim, upper

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

asJoinable

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

Field Detail

_e1

protected final Expression _e1

_e2

protected final Expression _e2

_op

protected final BinaryFunctionalOperator _op

Constructor Detail

BinaryOperatorExpression

public BinaryOperatorExpression(Expression e1,
                                BinaryFunctionalOperator op,
                                Expression e2)

Method Detail

getOperand1

public Expression getOperand1()

getOperand2

public Expression getOperand2()

getOperator

public BinaryFunctionalOperator getOperator()

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

asProjection

public String asProjection(AliasContext ctx)

Description copied from interface: Visitable

Gets the string representation in SELECT projection.

Specified by:

asProjection in interface Visitable

Overrides:

asProjection in class AbstractVisitable