oracle.toplink.essentials.tools.schemaframework

Class SequenceDefinition

java.lang.Object

oracle.toplink.essentials.tools.schemaframework.DatabaseObjectDefinition

oracle.toplink.essentials.tools.schemaframework.SequenceDefinition

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

OracleSequenceDefinition, TableSequenceDefinition

public abstract class SequenceDefinition
extends DatabaseObjectDefinition

Purpose: Allow a generic way of creating sequences on the different platforms, and allow optional parameters to be specified.

See Also:

Serialized Form

Field Summary

Fields inherited from class oracle.toplink.essentials.tools.schemaframework.DatabaseObjectDefinition

name, qualifier

Constructor Summary

Constructors

Constructor and Description
SequenceDefinition(java.lang.String name)

Method Summary

Modifier and Type	Method and Description
void	alter(AbstractSession session, java.io.Writer writer) INTERNAL: Execute the SQL required to alter sequence.
void	alterOnDatabase(AbstractSession session) INTERNAL: By default does nothing.
TableDefinition	buildTableDefinition() INTERNAL: Return a TableDefinition
abstract boolean	checkIfExist(AbstractSession session) INTERAL: Verify whether the sequence exists.
void	createOnDatabase(AbstractSession session) INTERNAL:
boolean	isAlterSupported() INTERNAL: Indicates whether alter is supported

Methods inherited from class oracle.toplink.essentials.tools.schemaframework.DatabaseObjectDefinition

buildCreationWriter, buildDeletionWriter, clone, createObject, dropFromDatabase, dropObject, getFullName, getName, getQualifier, setName, setQualifier, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceDefinition

public SequenceDefinition(java.lang.String name)

Method Detail

checkIfExist

public abstract boolean checkIfExist(AbstractSession session)
                              throws DatabaseException

INTERAL: Verify whether the sequence exists.

Throws:

DatabaseException

isAlterSupported

public boolean isAlterSupported()

INTERNAL: Indicates whether alter is supported

alterOnDatabase

public void alterOnDatabase(AbstractSession session)
                     throws TopLinkException

INTERNAL: By default does nothing.

Throws:

TopLinkException

alter

public void alter(AbstractSession session,
                  java.io.Writer writer)
           throws ValidationException

INTERNAL: Execute the SQL required to alter sequence. By default does nothing.

Throws:

ValidationException

createOnDatabase

public void createOnDatabase(AbstractSession session)
                      throws TopLinkException

INTERNAL:

Overrides:

createOnDatabase in class DatabaseObjectDefinition

Throws:

TopLinkException

buildTableDefinition

public TableDefinition buildTableDefinition()

INTERNAL: Return a TableDefinition