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

java.lang.Object
  com.triactive.jdo.store.sql.expr.AbstractSqlExpression
      com.triactive.jdo.store.sql.expr.SetExpression
          com.triactive.jdo.store.sql.expr.SetLiteral

All Implemented Interfaces:

SqlExpression, StatementTextGenerator

public class SetLiteral

extends SetExpression

A SetLiteral is a SQL expression that will test if a column of table falls within the given Set of values. This is used for Querys where a transient Set is passed in as a parameter.

Author:

Kelly Grizzle

Nested Class Summary

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

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

Field Summary

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

body, qs

Constructor Summary

SetLiteral(QueryStatement qs, java.util.Set value)

Method Summary

SqlExpression	containsMethod(SqlExpression expr) Return the BooleanExpression that results from SetLiteral.contains(SqlExpression).
SqlExpression	isEmptyMethod()
SqlExpression	sizeMethod()
StatementText	toStatementText() Returns the SQL statement text which this object generates.

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

accessField, add, and, callMethod, cast, com, div, eor, eq, getColumnMapping, getJavaType, getMapping, getQueryStatement, getReferencedColumns, gt, gteq, innermostQuery, innermostQuery, ior, lt, lteq, mod, mul, neg, newBody, newBody, newBody, newBody, newBody, newBody, newResultExpression, newSubqueryBody, not, noteq, select, setMapping, sub, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SetLiteral

public SetLiteral(QueryStatement qs,
                  java.util.Set value)

Method Detail

containsMethod

public SqlExpression containsMethod(SqlExpression expr)

Return the BooleanExpression that results from SetLiteral.contains(SqlExpression).

Overrides:

containsMethod in class SetExpression

Parameters:

expr - The SqlExpression that is checked for membership in the Set.

Returns:

The BooleanExpression that results from SetLiteral.contains(SqlExpression).

isEmptyMethod

public SqlExpression isEmptyMethod()

Specified by:

isEmptyMethod in class SetExpression

sizeMethod

public SqlExpression sizeMethod()

Specified by:

sizeMethod in class SetExpression

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