com.triactive.jdo.store.sql.expr
Class DecimalLiteral

java.lang.Object
  com.triactive.jdo.store.sql.expr.AbstractSqlExpression
      com.triactive.jdo.store.sql.expr.NumericExpression
          com.triactive.jdo.store.sql.expr.DecimalLiteral

All Implemented Interfaces:

SqlExpression, StatementTextGenerator

public class DecimalLiteral
extends NumericExpression

A decimal literal value. Used to represent numeric literals with exact decimal accuracy.

Author:

Mike Martin

Nested Class Summary

Nested classes/interfaces inherited from class com.triactive.jdo.store.sql.expr.AbstractSqlExpression

AbstractSqlExpression.Body, AbstractSqlExpression.CompoundExpression, AbstractSqlExpression.SimpleColumnReference, AbstractSqlExpression.SubqueryExpression

Field Summary

protected java.lang.Number

value

Fields inherited from class com.triactive.jdo.store.sql.expr.AbstractSqlExpression

body, qs

Constructor Summary

DecimalLiteral(QueryStatement qs, java.math.BigDecimal value)

Method Summary

SqlExpression	add(SqlExpression expr) Returns a new expression representing "this + expr".
java.math.BigDecimal	decimalValue() Returns the value of the literal as a BigDecimal.
SqlExpression	div(SqlExpression expr) Returns a new expression representing "this / expr".
double	doubleValue() Returns the value of the literal as a Java double.
BooleanExpression	eq(SqlExpression expr) Returns a new expression representing "this == expr".
BooleanExpression	gt(SqlExpression expr) Returns a new expression representing "this > expr".
BooleanExpression	gteq(SqlExpression expr) Returns a new expression representing "this >= expr".
BooleanExpression	lt(SqlExpression expr) Returns a new expression representing "this < expr".
BooleanExpression	lteq(SqlExpression expr) Returns a new expression representing "this <= expr".
SqlExpression	mod(SqlExpression expr) Returns a new expression representing "this % expr".
SqlExpression	mul(SqlExpression expr) Returns a new expression representing "this * expr".
SqlExpression	neg() Returns a new expression representing "-this".
BooleanExpression	noteq(SqlExpression expr) Returns a new expression representing "this != expr".
SqlExpression	sub(SqlExpression expr) Returns a new expression representing "this - expr".
StatementText	toStatementText() Returns the SQL statement text which this object generates.

Methods inherited from class com.triactive.jdo.store.sql.expr.NumericExpression

cast

Methods inherited from class com.triactive.jdo.store.sql.expr.AbstractSqlExpression

accessField, and, callMethod, com, eor, getColumnMapping, getJavaType, getMapping, getQueryStatement, getReferencedColumns, innermostQuery, innermostQuery, ior, newBody, newBody, newBody, newBody, newBody, newBody, newResultExpression, newSubqueryBody, not, select, setMapping, toString

Methods inherited from class java.lang.Object

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

Field Detail

value

protected final java.lang.Number value

Constructor Detail

DecimalLiteral

public DecimalLiteral(QueryStatement qs,
                      java.math.BigDecimal value)

Method Detail

decimalValue

public java.math.BigDecimal decimalValue()

Returns the value of the literal as a BigDecimal.

add

public SqlExpression add(SqlExpression expr)

Returns a new expression representing "this + expr".

Specified by:

add in interface SqlExpression

Parameters:

expr - The right-hand side of the operator.

sub

public SqlExpression sub(SqlExpression expr)

Returns a new expression representing "this - expr".

Specified by:

sub in interface SqlExpression

Parameters:

expr - The right-hand side of the operator.

mul

public SqlExpression mul(SqlExpression expr)

Returns a new expression representing "this * expr".

Specified by:

mul in interface SqlExpression

Parameters:

expr - The right-hand side of the operator.

neg

public SqlExpression neg()

Description copied from interface: SqlExpression

Returns a new expression representing "-this".

Specified by:

neg in interface SqlExpression

Overrides:

neg in class NumericExpression

doubleValue

public double doubleValue()

Returns the value of the literal as a Java double.

eq

public BooleanExpression eq(SqlExpression expr)

Returns a new expression representing "this == expr".

Specified by:

eq in interface SqlExpression

Overrides:

eq in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

noteq

public BooleanExpression noteq(SqlExpression expr)

Returns a new expression representing "this != expr".

Specified by:

noteq in interface SqlExpression

Overrides:

noteq in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

lt

public BooleanExpression lt(SqlExpression expr)

Returns a new expression representing "this < expr".

Specified by:

lt in interface SqlExpression

Overrides:

lt in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

lteq

public BooleanExpression lteq(SqlExpression expr)

Returns a new expression representing "this <= expr".

Specified by:

lteq in interface SqlExpression

Overrides:

lteq in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

gt

public BooleanExpression gt(SqlExpression expr)

Returns a new expression representing "this > expr".

Specified by:

gt in interface SqlExpression

Overrides:

gt in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

gteq

public BooleanExpression gteq(SqlExpression expr)

Returns a new expression representing "this >= expr".

Specified by:

gteq in interface SqlExpression

Overrides:

gteq in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

div

public SqlExpression div(SqlExpression expr)

Returns a new expression representing "this / expr".

Specified by:

div in interface SqlExpression

Overrides:

div in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

mod

public SqlExpression mod(SqlExpression expr)

Returns a new expression representing "this % expr".

Specified by:

mod in interface SqlExpression

Overrides:

mod in class NumericExpression

Parameters:

expr - The right-hand side of the operator.

toStatementText

public StatementText toStatementText()

Description copied from interface: StatementTextGenerator

Returns the SQL statement text which this object generates.

Specified by:

toStatementText in interface StatementTextGenerator

Overrides:

toStatementText in class AbstractSqlExpression