org.opendaylight.sfc.genius.impl.handlers.readers

Class SfcGeniusRspReader

java.lang.Object

org.opendaylight.sfc.genius.impl.handlers.readers.SfcGeniusRspReader

public class SfcGeniusRspReader
extends Object

Helper class to the read information regarding a service function path state from the SFC operational data store asynchronous API.

See Also:

SfcGeniusReaderAbstract.doRead(LogicalDatastoreType, InstanceIdentifier)

Constructor Summary

Constructors

Constructor and Description
SfcGeniusRspReader(org.opendaylight.controller.md.sal.binding.api.ReadTransaction readTransaction, Executor executor) Constructs a SfcGeniusRspReader using the provided ReadTransaction and Executor.

Method Summary

Modifier and Type	Method and Description
protected <T extends org.opendaylight.yangtools.yang.binding.DataObject> CompletableFuture<T>	doRead(org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType logicalDatastoreType, org.opendaylight.yangtools.yang.binding.InstanceIdentifier<T> instanceIdentifier) Utility method to read a DataObject from the data store.
protected <T extends org.opendaylight.yangtools.yang.binding.DataObject> CompletableFuture<Optional<T>>	doReadOptional(org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType logicalDatastoreType, org.opendaylight.yangtools.yang.binding.InstanceIdentifier<T> instanceIdentifier) Utility method to read a {#DataObject} from the data store.
CompletableFuture<RenderedServicePath>	readRsp(RspName rspName) Read the rendered service path of the given name.

Methods inherited from class java.lang.Object

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

Constructor Detail

SfcGeniusRspReader

public SfcGeniusRspReader(org.opendaylight.controller.md.sal.binding.api.ReadTransaction readTransaction,
                          Executor executor)

Constructs a SfcGeniusRspReader using the provided ReadTransaction and Executor.

Parameters:

readTransaction - the read transaction.

executor - the callback executor.

Method Detail

readRsp

public CompletableFuture<RenderedServicePath> readRsp(RspName rspName)

Read the rendered service path of the given name.

Parameters:

rspName - the name of the rendered service path.

Returns:

completable future that will hold the rendered service path on completion.

doRead

protected <T extends org.opendaylight.yangtools.yang.binding.DataObject> CompletableFuture<T> doRead(org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType logicalDatastoreType,
                                                                                                     org.opendaylight.yangtools.yang.binding.InstanceIdentifier<T> instanceIdentifier)

Utility method to read a DataObject from the data store. If it does not exist, the future will be completed exceptionally with a SfcGeniusRuntimeException wrapping a NoSuchElementException.

Type Parameters:

T - the type of the object to read.

Parameters:

logicalDatastoreType - the data store type to read from..

instanceIdentifier - the instance identifier of the object to read.

Returns:

completable future to the data object.

doReadOptional

protected <T extends org.opendaylight.yangtools.yang.binding.DataObject> CompletableFuture<Optional<T>> doReadOptional(org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType logicalDatastoreType,
                                                                                                                       org.opendaylight.yangtools.yang.binding.InstanceIdentifier<T> instanceIdentifier)

Utility method to read a {#DataObject} from the data store.

Type Parameters:

T - the type of the data object to read.

Parameters:

logicalDatastoreType - to read from.

instanceIdentifier - of the data object to read.

Returns:

future to an optional data object.