org.d2rq.db.expr
Class BooleanToIntegerCaseExpression

java.lang.Object
  extended by org.d2rq.db.expr.Expression
      extended by org.d2rq.db.expr.BooleanToIntegerCaseExpression

public class BooleanToIntegerCaseExpression
extends Expression

A CASE statement that turns a BOOLEAN (TRUE, FALSE) into an INT (1, 0)

Author:
Richard Cyganiak (richard@cyganiak.de)

Field Summary
 
Fields inherited from class org.d2rq.db.expr.Expression
FALSE, TRUE
 
Constructor Summary
BooleanToIntegerCaseExpression(Expression base)
           
 
Method Summary
 boolean equals(Object other)
           
 Expression getBase()
           
 Set<ColumnName> getColumns()
           
 DataType getDataType(DatabaseOp table, Vendor vendor)
           
 int hashCode()
           
 boolean isFalse()
           
 boolean isTrue()
           
 Expression rename(Renamer columnRenamer)
           
 String toSQL(DatabaseOp table, Vendor vendor)
           
 String toString()
           
 
Methods inherited from class org.d2rq.db.expr.Expression
and, or
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

BooleanToIntegerCaseExpression

public BooleanToIntegerCaseExpression(Expression base)
Method Detail

getBase

public Expression getBase()

getColumns

public Set<ColumnName> getColumns()
Specified by:
getColumns in class Expression

isFalse

public boolean isFalse()
Specified by:
isFalse in class Expression

isTrue

public boolean isTrue()
Specified by:
isTrue in class Expression

rename

public Expression rename(Renamer columnRenamer)
Specified by:
rename in class Expression

toSQL

public String toSQL(DatabaseOp table,
                    Vendor vendor)
Specified by:
toSQL in class Expression

getDataType

public DataType getDataType(DatabaseOp table,
                            Vendor vendor)
Specified by:
getDataType in class Expression

toString

public String toString()
Overrides:
toString in class Object

equals

public boolean equals(Object other)
Overrides:
equals in class Object

hashCode

public int hashCode()
Overrides:
hashCode in class Object