net.sf.farrago.fennel.tuple
Class FennelTupleAttributeDescriptor

java.lang.Object
  net.sf.farrago.fennel.tuple.FennelTupleAttributeDescriptor

All Implemented Interfaces:

Serializable

public class FennelTupleAttributeDescriptor
extends Object
implements Serializable

FennelTupleAttributeDescriptor holds metadata describing a particular entry in a tuple. These are contained in a FennelTupleDescriptor object to describe the layout of a tuple. This class is JDK 1.4 compatible.

Version:

$Id: //open/dev/farrago/src/net/sf/farrago/fennel/tuple/FennelTupleAttributeDescriptor.java#9 $

Author:

Mike Bennett

See Also:

Serialized Form

Field Summary

boolean	isNullable is this attribute nullable?
private static long	serialVersionUID SerialVersionUID created with JDK 1.5 serialver tool.
int	storageSize the amount of storage, in bytes, taken by this attribute.
FennelStoredTypeDescriptor	typeDescriptor the FennelStoredTypeDescriptor of this attribute.

Constructor Summary

FennelTupleAttributeDescriptor()
Default constructor -- shouldn't be used in normal situations.

FennelTupleAttributeDescriptor(FennelStoredTypeDescriptor typeDescriptor, boolean isNullable, int storageSizeInit)
Normal constructor

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

SerialVersionUID created with JDK 1.5 serialver tool.

See Also:

Constant Field Values

typeDescriptor

public FennelStoredTypeDescriptor typeDescriptor

the FennelStoredTypeDescriptor of this attribute.

isNullable

public boolean isNullable

is this attribute nullable?

storageSize

public int storageSize

the amount of storage, in bytes, taken by this attribute.

Constructor Detail

FennelTupleAttributeDescriptor

public FennelTupleAttributeDescriptor()

Default constructor -- shouldn't be used in normal situations.

FennelTupleAttributeDescriptor

public FennelTupleAttributeDescriptor(FennelStoredTypeDescriptor typeDescriptor,
                                      boolean isNullable,
                                      int storageSizeInit)

Normal constructor