org.geotools.data.store

Class DiffTransactionState

Object

DiffTransactionState

All Implemented Interfaces:

Transaction.State

public class DiffTransactionState
extends Object
implements Transaction.State

Transaction state responsible for holding an in memory Diff of any modifications.

Field Summary

Fields

Modifier and Type	Field and Description
protected Diff	diff
protected ContentState	state ContentState for this transaction used to hold information for FeatureReader implementations
protected Transaction	transaction The transaction (ie session) associated with this state

Constructor Summary

Constructors

Modifier	Constructor and Description
	DiffTransactionState(ContentState state) Transaction state responsible for holding an in memory Diff.
protected	DiffTransactionState(ContentState state, Diff diff) Transaction state responsible for holding an in memory Diff.

Method Summary

Modifier and Type	Method and Description
void	addAuthorization(String AuthID) Call back used for Transaction.setAuthorization()
void	commit() Call back used for Transaction.commit()
FeatureWriter<SimpleFeatureType,SimpleFeature>	diffWriter(ContentFeatureStore contentFeatureStore, FeatureReader<SimpleFeatureType,SimpleFeature> reader) Provides a wrapper on the provided reader which gives a diff writer.
Diff	getDiff() Access the in memory Diff.
void	rollback() Call back used for Transaction.rollback()
void	setTransaction(Transaction transaction) Provides configuration information for Transaction.State setTransaction is called with non null transaction when Transaction.State is putState into a Transaction.

Methods inherited from class Object

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

Field Detail

diff

protected Diff diff

transaction

protected Transaction transaction

The transaction (ie session) associated with this state

state

protected ContentState state

ContentState for this transaction used to hold information for FeatureReader implementations

Constructor Detail

DiffTransactionState

public DiffTransactionState(ContentState state)

Transaction state responsible for holding an in memory Diff.

Parameters:

state - ContentState for the transaction

DiffTransactionState

protected DiffTransactionState(ContentState state,
                               Diff diff)

Transaction state responsible for holding an in memory Diff.

Parameters:

state - ContentState for the transaction

Method Detail

getDiff

public Diff getDiff()

Access the in memory Diff.

Returns:

in memory diff.

setTransaction

public void setTransaction(Transaction transaction)

Description copied from interface: Transaction.State

Provides configuration information for Transaction.State

setTransaction is called with non null transaction when Transaction.State is putState into a Transaction. This tranasction will be used to determine correct event notification.

setTransaction is called with null when removeState is called (usually during Transaction.close() ).

Specified by:

setTransaction in interface Transaction.State

commit

public void commit()
            throws IOException

Description copied from interface: Transaction.State

Call back used for Transaction.commit()

Specified by:

commit in interface Transaction.State

Throws:

IOException

rollback

public void rollback()
              throws IOException

Description copied from interface: Transaction.State

Call back used for Transaction.rollback()

Specified by:

rollback in interface Transaction.State

Throws:

IOException

addAuthorization

public void addAuthorization(String AuthID)
                      throws IOException

Description copied from interface: Transaction.State

Call back used for Transaction.setAuthorization()

Specified by:

addAuthorization in interface Transaction.State

Throws:

IOException

diffWriter

public FeatureWriter<SimpleFeatureType,SimpleFeature> diffWriter(ContentFeatureStore contentFeatureStore,
                                                                 FeatureReader<SimpleFeatureType,SimpleFeature> reader)

Provides a wrapper on the provided reader which gives a diff writer.

Parameters:

contentFeatureStore - ContentFeatureStore

reader - FeatureReader requiring diff support

Returns:

FeatureWriter with diff support