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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.v3po.data.impl;
import com.google.common.base.Preconditions;
import io.fd.honeycomb.v3po.data.ReadableVppDataTree;
import io.fd.honeycomb.v3po.data.VppDataTree;
import io.fd.honeycomb.v3po.data.VppDataTreeSnapshot;
import java.util.Collections;
import java.util.Map;
import javax.annotation.Nonnull;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
/**
* Data Broker which provides data transaction functionality for VPP using {@link NormalizedNode} data format.
*/
public class VppDataBroker implements DOMDataBroker {
private final ReadableVppDataTree operationalData;
private final VppDataTree configDataTree;
/**
* Creates VppDataBroker instance.
*
* @param operationalData VPP operational data
* @param configDataTree VPP configuration data
*/
public VppDataBroker(@Nonnull final ReadableVppDataTree operationalData,
@Nonnull final VppDataTree configDataTree) {
this.operationalData = Preconditions.checkNotNull(operationalData, "operationalData should not be null");
this.configDataTree = Preconditions.checkNotNull(configDataTree, "configDataProxy should not be null");
}
@Override
public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
return new VppReadOnlyTransaction(operationalData, configDataTree.takeSnapshot());
}
@Override
public DOMDataReadWriteTransaction newReadWriteTransaction() {
// todo use the same snapshot
final VppDataTreeSnapshot configSnapshot = configDataTree.takeSnapshot();
final DOMDataReadOnlyTransaction readOnlyTx = new VppReadOnlyTransaction(operationalData, configSnapshot);
final DOMDataWriteTransaction writeOnlyTx = new VppWriteTransaction(configDataTree, configSnapshot);
return new ReadWriteTransaction(readOnlyTx, writeOnlyTx);
}
@Override
public DOMDataWriteTransaction newWriteOnlyTransaction() {
return new VppWriteTransaction(configDataTree);
}
@Override
public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(final LogicalDatastoreType store,
final YangInstanceIdentifier path,
final DOMDataChangeListener listener,
final DataChangeScope triggeringScope) {
throw new UnsupportedOperationException("Not supported");
}
@Override
public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
throw new UnsupportedOperationException("Not supported");
}
@Nonnull
@Override
public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
return Collections.emptyMap();
}
}
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