org.eclipse.persistence.tools.schemaframework
Class SequenceDefinition

java.lang.Object
  org.eclipse.persistence.tools.schemaframework.DatabaseObjectDefinition
      org.eclipse.persistence.tools.schemaframework.SequenceDefinition

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

Direct Known Subclasses:

SequenceObjectDefinition, TableSequenceDefinition, UnaryTableSequenceDefinition

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

protected Sequence

sequence

Fields inherited from class org.eclipse.persistence.tools.schemaframework.DatabaseObjectDefinition

name, qualifier

Constructor Summary

SequenceDefinition(Sequence sequence)

SequenceDefinition(java.lang.String name)

Method Summary

void	alter(org.eclipse.persistence.internal.sessions.AbstractSession session, java.io.Writer writer) INTERNAL: Execute the SQL required to alter sequence.
void	alterOnDatabase(org.eclipse.persistence.internal.sessions.AbstractSession session) INTERNAL: By default does nothing.
TableDefinition	buildTableDefinition() INTERNAL: Return a TableDefinition
abstract boolean	checkIfExist(org.eclipse.persistence.internal.sessions.AbstractSession session) INTERAL: Verify whether the sequence exists.
void	createOnDatabase(org.eclipse.persistence.internal.sessions.AbstractSession session) INTERNAL: Creates this sequence definition on the database.
boolean	isAlterSupported(org.eclipse.persistence.internal.sessions.AbstractSession session) INTERNAL: Indicates whether alter is supported

Methods inherited from class org.eclipse.persistence.tools.schemaframework.DatabaseObjectDefinition

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

Methods inherited from class java.lang.Object

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

Field Detail

sequence

protected Sequence sequence

Constructor Detail

SequenceDefinition

public SequenceDefinition(java.lang.String name)

SequenceDefinition

public SequenceDefinition(Sequence sequence)

Method Detail

checkIfExist

public abstract boolean checkIfExist(org.eclipse.persistence.internal.sessions.AbstractSession session)
                              throws DatabaseException

INTERAL: Verify whether the sequence exists.

Throws:

DatabaseException

isAlterSupported

public boolean isAlterSupported(org.eclipse.persistence.internal.sessions.AbstractSession session)

INTERNAL: Indicates whether alter is supported

alterOnDatabase

public void alterOnDatabase(org.eclipse.persistence.internal.sessions.AbstractSession session)
                     throws EclipseLinkException

INTERNAL: By default does nothing.

Throws:

EclipseLinkException

alter

public void alter(org.eclipse.persistence.internal.sessions.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(org.eclipse.persistence.internal.sessions.AbstractSession session)
                      throws EclipseLinkException

INTERNAL: Creates this sequence definition on the database. If it already exists, the method will attempt to alter it based on what the platform supports.

Overrides:

createOnDatabase in class DatabaseObjectDefinition

Throws:

EclipseLinkException

buildTableDefinition

public TableDefinition buildTableDefinition()

INTERNAL: Return a TableDefinition