org.apache.openjpa.jdbc.schema
Class LazySchemaFactory

java.lang.Object
  org.apache.openjpa.jdbc.schema.NameSet
      org.apache.openjpa.jdbc.schema.SchemaGroup
          org.apache.openjpa.jdbc.schema.LazySchemaFactory

All Implemented Interfaces:

Serializable, Cloneable, SchemaFactory, Configurable

public class LazySchemaFactory
extends SchemaGroup
implements SchemaFactory, Configurable

Factory that uses database metadata to construct the system schema. The lazy schema factory only loads table data as it is requested. It does not properly support operations that require knowledge of the entire schema.

Author:

Abe White

See Also:

Serialized Form

Constructor Summary

LazySchemaFactory()

Method Summary

void	endConfiguration() Invoked upon completion of bean property configuration for this object.
Sequence	findSequence(String name) Find the sequence with the given name in the group, using '.' as the catalog separator.
Table	findTable(String name) Find the table with the given name in the group, using '.' as the catalog separator.
boolean	getForeignKeys()
boolean	getIndexes()
boolean	getPrimaryKeys()
SchemaGroup	readSchema() Return the schema group for the current object model and database.
void	setConfiguration(Configuration conf) Invoked prior to setting bean properties.
void	setForeignKeys(boolean fks)
void	setIndexes(boolean idx)
void	setPrimaryKeys(boolean pks)
void	startConfiguration() Invoked before bean property configuration is begun on this object.
void	storeSchema(SchemaGroup schema) Record the schema group after changes may have been made.

Methods inherited from class org.apache.openjpa.jdbc.schema.SchemaGroup

addSchema, addSchema, clone, copy, findExportedForeignKeys, findSequence, findTable, getSchema, getSchemas, importSchema, isKnownSequence, isKnownSequence, isKnownTable, isKnownTable, newColumn, newForeignKey, newIndex, newInstance, newPrimaryKey, newSchema, newSequence, newTable, newUnique, removeSchema, removeUnusedComponents

Methods inherited from class org.apache.openjpa.jdbc.schema.NameSet

addName, isNameTaken, removeName

Methods inherited from class java.lang.Object

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

Constructor Detail

LazySchemaFactory

public LazySchemaFactory()

Method Detail

getPrimaryKeys

public boolean getPrimaryKeys()

setPrimaryKeys

public void setPrimaryKeys(boolean pks)

getForeignKeys

public boolean getForeignKeys()

setForeignKeys

public void setForeignKeys(boolean fks)

getIndexes

public boolean getIndexes()

setIndexes

public void setIndexes(boolean idx)

readSchema

public SchemaGroup readSchema()

Description copied from interface: SchemaFactory

Return the schema group for the current object model and database.

Specified by:

readSchema in interface SchemaFactory

storeSchema

public void storeSchema(SchemaGroup schema)

Description copied from interface: SchemaFactory

Record the schema group after changes may have been made.

Specified by:

storeSchema in interface SchemaFactory

Parameters:

schema - the schema definition for the entire system

findTable

public Table findTable(String name)

Description copied from class: SchemaGroup

Find the table with the given name in the group, using '.' as the catalog separator. Returns null if no table found.

Overrides:

findTable in class SchemaGroup

findSequence

public Sequence findSequence(String name)

Description copied from class: SchemaGroup

Find the sequence with the given name in the group, using '.' as the catalog separator. Returns null if no sequence found.

Overrides:

findSequence in class SchemaGroup

setConfiguration

public void setConfiguration(Configuration conf)

Description copied from interface: Configurable

Invoked prior to setting bean properties.

Specified by:

setConfiguration in interface Configurable

startConfiguration

public void startConfiguration()

Description copied from interface: Configurable

Invoked before bean property configuration is begun on this object.

Specified by:

startConfiguration in interface Configurable

endConfiguration

public void endConfiguration()

Description copied from interface: Configurable

Invoked upon completion of bean property configuration for this object.

Specified by:

endConfiguration in interface Configurable