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

java.lang.Object
  extended bycom.triactive.jdo.store.sql.expr.AbstractSqlExpression
      extended bycom.triactive.jdo.store.sql.expr.NullLiteral
All Implemented Interfaces:
SqlExpression, StatementTextGenerator

public class NullLiteral
extends AbstractSqlExpression


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
NullLiteral(QueryStatement qs)
           
 
Method Summary
 BooleanExpression eq(SqlExpression expr)
          Returns a new expression representing "this == expr".
 BooleanExpression noteq(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.AbstractSqlExpression
accessField, add, and, callMethod, cast, com, div, eor, getColumnMapping, getJavaType, getMapping, getQueryStatement, getReferencedColumns, gt, gteq, innermostQuery, innermostQuery, ior, lt, lteq, mod, mul, neg, newBody, newBody, newBody, newBody, newBody, newBody, newResultExpression, newSubqueryBody, not, select, setMapping, sub, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

NullLiteral

public NullLiteral(QueryStatement qs)
Method Detail

eq

public BooleanExpression eq(SqlExpression expr)
Description copied from interface: SqlExpression
Returns a new expression representing "this == expr".

Specified by:
eq in interface SqlExpression
Overrides:
eq in class AbstractSqlExpression

noteq

public BooleanExpression noteq(SqlExpression expr)
Description copied from interface: SqlExpression
Returns a new expression representing "this != expr".

Specified by:
noteq in interface SqlExpression
Overrides:
noteq in class AbstractSqlExpression

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


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