org.verdictdb.core.sqlobject

Class ConstantColumn

java.lang.Object

org.verdictdb.core.sqlobject.ConstantColumn

All Implemented Interfaces:

Serializable, GroupingAttribute, SelectItem, UnnamedColumn

public class ConstantColumn
extends Object
implements UnnamedColumn, SelectItem

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ConstantColumn()

Method Summary

Modifier and Type	Method and Description
ConstantColumn	deepcopy()
boolean	equals(Object obj)
Object	getValue()
int	hashCode()
boolean	isAggregateColumn()
void	setValue(Object value)
String	toString()
static ConstantColumn	valueOf(double value)
static ConstantColumn	valueOf(int value)
static ConstantColumn	valueOf(String value)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ConstantColumn

public ConstantColumn()

Method Detail

setValue

public void setValue(Object value)

getValue

public Object getValue()

valueOf

public static ConstantColumn valueOf(int value)

valueOf

public static ConstantColumn valueOf(double value)

valueOf

public static ConstantColumn valueOf(String value)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

isAggregateColumn

public boolean isAggregateColumn()

Specified by:

isAggregateColumn in interface SelectItem

Returns:

True if a column is a non-subquery column and includes aggergate functions.

deepcopy

public ConstantColumn deepcopy()

Specified by:

deepcopy in interface SelectItem

Specified by:

deepcopy in interface UnnamedColumn