org.apache.derby.iapi.sql.dictionary

Class TupleDescriptor

java.lang.Object

org.apache.derby.iapi.sql.dictionary.TupleDescriptor

Direct Known Subclasses:

ColumnDescriptor, PermissionsDescriptor, RoleGrantDescriptor, StatisticsDescriptor, UniqueTupleDescriptor, UserDescriptor

public class TupleDescriptor
extends java.lang.Object

This is the superclass of all Descriptors. Users of DataDictionary should use the specific descriptor.

Constructor Summary

Constructors

Constructor and Description
TupleDescriptor()
TupleDescriptor(DataDictionary dataDictionary)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDescriptorName()
java.lang.String	getDescriptorType() Each descriptor must identify itself with its type; i.e index, check constraint whatever.
boolean	isPersistent() Is this provider persistent? A stored dependency will be required if both the dependent and provider are persistent.

Methods inherited from class java.lang.Object

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

Constructor Detail

TupleDescriptor

public TupleDescriptor()

TupleDescriptor

public TupleDescriptor(DataDictionary dataDictionary)

Method Detail

isPersistent

public boolean isPersistent()

Is this provider persistent? A stored dependency will be required if both the dependent and provider are persistent.

Returns:

boolean Whether or not this provider is persistent.

getDescriptorType

public java.lang.String getDescriptorType()

Each descriptor must identify itself with its type; i.e index, check constraint whatever.

getDescriptorName

public java.lang.String getDescriptorName()