public abstract class ForwardingDOMDataBroker extends com.google.common.collect.ForwardingObject implements DOMDataBroker
DOMDataBroker
implementation which forwards all interface
method invocation to a delegate instance.Constructor and Description |
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ForwardingDOMDataBroker() |
Modifier and Type | Method and Description |
---|---|
DOMTransactionChain |
createTransactionChain(TransactionChainListener listener)
Create a new transaction chain.
|
protected abstract DOMDataBroker |
delegate() |
Map<Class<? extends DOMDataBrokerExtension>,DOMDataBrokerExtension> |
getSupportedExtensions()
Return a map of currently-supported extensions, along with accessor services
which provide access to the specific functionality bound to this service.
|
DOMDataReadOnlyTransaction |
newReadOnlyTransaction()
Allocates a new read-only transaction which provides an immutable snapshot of the data tree.
|
DOMDataReadWriteTransaction |
newReadWriteTransaction()
Allocates new read-write transaction which provides a mutable view of the data
tree.
|
DOMDataWriteTransaction |
newWriteOnlyTransaction()
Allocates new write-only transaction based on latest state of data
tree.
|
@Nonnull protected abstract DOMDataBroker delegate()
delegate
in class com.google.common.collect.ForwardingObject
public DOMDataReadOnlyTransaction newReadOnlyTransaction()
AsyncDataTransactionFactory
The view of data tree is an immutable snapshot of current data tree state when transaction was allocated.
newReadOnlyTransaction
in interface AsyncDataBroker<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier,org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode<?,?>>
newReadOnlyTransaction
in interface AsyncDataTransactionFactory<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier,org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode<?,?>>
newReadOnlyTransaction
in interface DOMDataBroker
public DOMDataReadWriteTransaction newReadWriteTransaction()
AsyncDataTransactionFactory
Preconditions for mutation of data tree are captured from the snapshot of
data tree state, when the transaction is allocated. If data was
changed during transaction in an incompatible way then the commit of this transaction
will fail. See AsyncWriteTransaction.submit()
for more
details about conflicting and not-conflicting changes and
failure scenarios.
newReadWriteTransaction
in interface AsyncDataBroker<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier,org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode<?,?>>
newReadWriteTransaction
in interface AsyncDataTransactionFactory<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier,org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode<?,?>>
newReadWriteTransaction
in interface DOMDataBroker
public DOMDataWriteTransaction newWriteOnlyTransaction()
AsyncDataTransactionFactory
Preconditions for mutation of data tree are captured from the snapshot of
data tree state, when the transaction is allocated. If data was
changed during transaction in an incompatible way then the commit of this transaction
will fail. See AsyncWriteTransaction.submit()
for more
details about conflicting and not-conflicting changes and
failure scenarios.
Since this transaction does not provide a view of the data it SHOULD BE
used only by callers which are exclusive writers (exporters of data)
to the subtree they modify. This prevents optimistic
lock failures as described in AsyncWriteTransaction.submit()
.
Exclusivity of writers to particular subtree SHOULD BE enforced by external locking mechanism.
newWriteOnlyTransaction
in interface AsyncDataBroker<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier,org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode<?,?>>
newWriteOnlyTransaction
in interface AsyncDataTransactionFactory<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier,org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode<?,?>>
newWriteOnlyTransaction
in interface DOMDataBroker
public DOMTransactionChain createTransactionChain(TransactionChainListener listener)
TransactionChainFactory
createTransactionChain
in interface TransactionChainFactory<org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier,org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode<?,?>>
createTransactionChain
in interface DOMDataBroker
listener
- Transaction chain event listenerpublic Map<Class<? extends DOMDataBrokerExtension>,DOMDataBrokerExtension> getSupportedExtensions()
DOMExtensibleService
getSupportedExtensions
in interface DOMExtensibleService<DOMDataBroker,DOMDataBrokerExtension>
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