org.apache.openjpa.jdbc.schema
Class Schema

java.lang.Object
  org.apache.openjpa.jdbc.schema.Schema

All Implemented Interfaces:

Serializable, Comparable

public class Schema
extends Object
implements Comparable, Serializable

Represents a database schema.

Author:

Abe White

See Also:

Serialized Form

Constructor Summary

Schema()
Default constructor.

Schema(String name, SchemaGroup group)
Constructor.

Method Summary

Sequence	addSequence(String name) Add a sequence to the schema.
Table	addTable(String name) Add a table to the schema.
int	compareTo(Object other)
String	getName() Return the name of the schema, or null if none.
SchemaGroup	getSchemaGroup() Return the schema's group.
Sequence	getSequence(String name) Return the sequence with the given name, or null if none.
Sequence[]	getSequences() Return the schema's sequences.
Table	getTable(String name) Return the table with the given name, or null if none.
Table[]	getTables() Return the schema's tables.
Sequence	importSequence(Sequence seq) Import a sequence from another schema.
Table	importTable(Table table) Import a table from another schema.
boolean	removeSequence(Sequence seq) Remove the given sequence from the schema.
boolean	removeTable(Table tab) Remove the given table from the schema.
void	setName(String name) Set the name of the schema.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Schema

public Schema()

Default constructor.

Schema

public Schema(String name,
              SchemaGroup group)

Constructor.

Parameters:

name - the schema name, if any

group - the schema's owning group

Method Detail

getSchemaGroup

public SchemaGroup getSchemaGroup()

Return the schema's group.

getName

public String getName()

Return the name of the schema, or null if none.

setName

public void setName(String name)

Set the name of the schema. This method can only be used for schemas not attached to a group.

getTables

public Table[] getTables()

Return the schema's tables.

getTable

public Table getTable(String name)

Return the table with the given name, or null if none.

addTable

public Table addTable(String name)

Add a table to the schema.

removeTable

public boolean removeTable(Table tab)

Remove the given table from the schema.

Returns:

true if the table was removed, false if not in the schema

importTable

public Table importTable(Table table)

Import a table from another schema. Note that this method does not import foreign keys, indexes, or unique constraints.

getSequences

public Sequence[] getSequences()

Return the schema's sequences.

getSequence

public Sequence getSequence(String name)

Return the sequence with the given name, or null if none.

addSequence

public Sequence addSequence(String name)

Add a sequence to the schema.

removeSequence

public boolean removeSequence(Sequence seq)

Remove the given sequence from the schema.

Returns:

true if the sequence was removed, false if not in the schema

importSequence

public Sequence importSequence(Sequence seq)

Import a sequence from another schema.

compareTo

public int compareTo(Object other)

Specified by:

compareTo in interface Comparable

toString

public String toString()

Overrides:

toString in class Object