org.opendaylight.vtn.manager.internal.util

Class ChangedData<T extends org.opendaylight.yangtools.yang.binding.DataObject>

java.lang.Object

org.opendaylight.vtn.manager.internal.util.IdentifiedData<T>

org.opendaylight.vtn.manager.internal.util.ChangedData<T>

Type Parameters:

T - The type of the data object.

public final class ChangedData<T extends org.opendaylight.yangtools.yang.binding.DataObject>
extends IdentifiedData<T>

ChangedData describes a change of a data object in the MD-SAL datastore.

Constructor Summary

Constructors

Constructor and Description
ChangedData(org.opendaylight.yangtools.yang.binding.InstanceIdentifier<T> id, T data, T old) Construct a new instance.

Method Summary

Modifier and Type	Method and Description
<D extends org.opendaylight.yangtools.yang.binding.DataObject> ChangedData<D>	checkType(Class<D> type) Check whether the target type of this instance matches the given type or not.
T	getOldValue() Return the data object prior to the change.
void	unexpected(org.slf4j.Logger logger, VtnUpdateType type) Record a warning log message that indicates unexpected data was notified.

Methods inherited from class org.opendaylight.vtn.manager.internal.util.IdentifiedData

getIdentifier, getValue

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangedData

public ChangedData(org.opendaylight.yangtools.yang.binding.InstanceIdentifier<T> id,
                   T data,
                   T old)

Construct a new instance.

Parameters:

id - An instance identifier that specifies the data location in the MD-SAL datastore.

data - A data object that contains the current value.

old - A data object prior to the change.

Method Detail

getOldValue

public T getOldValue()

Return the data object prior to the change.

Returns:

A data object.

checkType

public <D extends org.opendaylight.yangtools.yang.binding.DataObject> ChangedData<D> checkType(Class<D> type)

Check whether the target type of this instance matches the given type or not.

Overrides:

checkType in class IdentifiedData<T extends org.opendaylight.yangtools.yang.binding.DataObject>

Type Parameters:

D - The expected target type.

Parameters:

type - A class which indicates the target type.

Returns:

This instance if the given type matches the target type of this instance. Otherwise null.

unexpected

public void unexpected(org.slf4j.Logger logger,
                       VtnUpdateType type)

Record a warning log message that indicates unexpected data was notified.

Overrides:

unexpected in class IdentifiedData<T extends org.opendaylight.yangtools.yang.binding.DataObject>

Parameters:

logger - A logger instance.

type - A VtnUpdateType instance that indicates the type of event.