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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.data.impl;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.FluentFuture;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.mdsal.common.api.CommitInfo;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
/**
* Composite DOM transaction that delegates reads to a {@link DOMDataTreeReadTransaction} delegate and writes to a {@link
* DOMDataTreeWriteTransaction} delegate.
*/
final class ReadWriteTransaction implements DOMDataTreeReadWriteTransaction, ValidableTransaction {
private final DOMDataTreeReadTransaction delegateReadTx;
private final ValidableTransaction delegateWriteTx;
ReadWriteTransaction(@Nonnull final DOMDataTreeReadTransaction delegateReadTx,
@Nonnull final ValidableTransaction delegateWriteTx) {
this.delegateReadTx = Preconditions.checkNotNull(delegateReadTx, "delegateReadTx should not be null");
this.delegateWriteTx = Preconditions.checkNotNull(delegateWriteTx, "delegateWriteTx should not be null");
}
@Override
public boolean cancel() {
delegateReadTx.close();
return delegateWriteTx.cancel();
}
@Override
public void put(final LogicalDatastoreType store, final YangInstanceIdentifier path,
final NormalizedNode<?, ?> data) {
delegateWriteTx.put(store, path, data);
}
@Override
public void merge(final LogicalDatastoreType store, final YangInstanceIdentifier path,
final NormalizedNode<?, ?> data) {
delegateWriteTx.merge(store, path, data);
}
@Override
public void delete(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
delegateWriteTx.delete(store, path);
}
@Override
public FluentFuture<? extends CommitInfo> commit() {
return delegateWriteTx.commit();
}
@Override
public FluentFuture<Optional<NormalizedNode<?, ?>>> read(final LogicalDatastoreType store,
final YangInstanceIdentifier path) {
return delegateReadTx.read(store, path);
}
@Override
public FluentFuture<Boolean> exists(final LogicalDatastoreType store,
final YangInstanceIdentifier path) {
return delegateReadTx.exists(store, path);
}
@Override
public Object getIdentifier() {
return this;
}
@Override
public FluentFuture<Void> validate() {
return delegateWriteTx.validate();
}
}
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