org.eclipse.persistence.tools.schemaframework
Class UnaryTableSequenceDefinition

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

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable

public class UnaryTableSequenceDefinition
extends SequenceDefinition

Purpose: Creates / drops an unary sequence table: the name of the table is sequence name; its only field is named unarySequenceCounterFieldName

See Also:

Serialized Form

Field Summary

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

sequence

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

name, qualifier

Constructor Summary

UnaryTableSequenceDefinition(Sequence sequence)
INTERNAL: Should be a sequence defining unary table sequence in the db: either UnaryTableSequence DefaultSequence (only if case platform.getDefaultSequence() is an UnaryTableSequence).

Method Summary

java.io.Writer	buildCreationWriter(org.eclipse.persistence.internal.sessions.AbstractSession session, java.io.Writer writer) INTERNAL: Return the SQL required to create the unary sequence table.
java.io.Writer	buildDeletionWriter(org.eclipse.persistence.internal.sessions.AbstractSession session, java.io.Writer writer) INTERNAL: Return the SQL to delete the unary sequence table.
TableDefinition	buildTableDefinition() INTERNAL: Return a TableDefinition specifying a unary sequence table.
boolean	checkIfExist(org.eclipse.persistence.internal.sessions.AbstractSession session) INTERAL: Verify whether the sequence exists.
java.lang.String	getSequenceCounterFieldName() PUBLIC: Return the name of the only field of this table
protected UnaryTableSequence	getUnaryTableSequence()

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

alter, alterOnDatabase, createOnDatabase, isAlterSupported

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

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

Constructor Detail

UnaryTableSequenceDefinition

public UnaryTableSequenceDefinition(Sequence sequence)

INTERNAL: Should be a sequence defining unary table sequence in the db: either UnaryTableSequence DefaultSequence (only if case platform.getDefaultSequence() is an UnaryTableSequence).

Method Detail

buildCreationWriter

public java.io.Writer buildCreationWriter(org.eclipse.persistence.internal.sessions.AbstractSession session,
                                          java.io.Writer writer)
                                   throws ValidationException

INTERNAL: Return the SQL required to create the unary sequence table.

Specified by:

buildCreationWriter in class DatabaseObjectDefinition

Throws:

ValidationException

buildDeletionWriter

public java.io.Writer buildDeletionWriter(org.eclipse.persistence.internal.sessions.AbstractSession session,
                                          java.io.Writer writer)
                                   throws ValidationException

INTERNAL: Return the SQL to delete the unary sequence table.

Specified by:

buildDeletionWriter in class DatabaseObjectDefinition

Throws:

ValidationException

checkIfExist

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

INTERAL: Verify whether the sequence exists. Assume that the unary sequence table exists.

Specified by:

checkIfExist in class SequenceDefinition

Throws:

DatabaseException

getSequenceCounterFieldName

public java.lang.String getSequenceCounterFieldName()

PUBLIC: Return the name of the only field of this table

buildTableDefinition

public TableDefinition buildTableDefinition()

INTERNAL: Return a TableDefinition specifying a unary sequence table.

Overrides:

buildTableDefinition in class SequenceDefinition

getUnaryTableSequence

protected UnaryTableSequence getUnaryTableSequence()