org.apache.openjpa.persistence.query
Class LocateExpression

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

All Implemented Interfaces:

Serializable, Expression, OrderByItem, PredicateOperand, SelectItem, Visitable

public class LocateExpression
extends BinaryOperatorExpression

Denotes LOCATE(e1, e2, n) Expression. e1 : string to be located e2 : string to be searched n : starting poistion in e2, default is 1

Author:

Pinaki Poddar

See Also:

Serialized Form

Field Summary

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

_e1, _e2, _op

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

CLOSE_BRACE, COMMA, EMPTY, OPEN_BRACE, SPACE

Constructor Summary

LocateExpression(Expression key, Expression str, Expression start)

LocateExpression(Expression key, Expression str, int start)

LocateExpression(Expression key, String str, Expression start)

LocateExpression(Expression key, String str, int start)

Method Summary

String

asExpression(AliasContext ctx) Get a JPQL fragment as used in WHERE clause.

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

asProjection, getOperand1, getOperand2, 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

Constructor Detail

LocateExpression

public LocateExpression(Expression key,
                        String str,
                        int start)

LocateExpression

public LocateExpression(Expression key,
                        Expression str,
                        int start)

LocateExpression

public LocateExpression(Expression key,
                        String str,
                        Expression start)

LocateExpression

public LocateExpression(Expression key,
                        Expression str,
                        Expression start)

Method Detail

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 BinaryOperatorExpression