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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.Optional;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.ListenableFuture;
import javax.annotation.Nonnull;
import org.apache.commons.lang3.builder.RecursiveToStringStyle;
import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Composite DOM transaction that delegates reads to a {@link DOMDataReadTransaction} delegate and writes to a {@link
* DOMDataWriteTransaction} delegate.
*/
final class ReadWriteTransaction implements DOMDataReadWriteTransaction {
private static final Logger LOG = LoggerFactory.getLogger(ReadWriteTransaction.class);
private final DOMDataReadOnlyTransaction delegateReadTx;
private final DOMDataWriteTransaction delegateWriteTx;
ReadWriteTransaction(@Nonnull final DOMDataReadOnlyTransaction delegateReadTx,
@Nonnull final DOMDataWriteTransaction 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 CheckedFuture<Void, TransactionCommitFailedException> submit() {
//TODO - remove after https://bugs.opendaylight.org/show_bug.cgi?id=7791 resolved
if (LOG.isDebugEnabled()) {
LOG.debug("Submitting transaction {}", ReflectionToStringBuilder.toString(
delegateWriteTx,
RecursiveToStringStyle.MULTI_LINE_STYLE,
false,
false
));
}
return delegateWriteTx.submit();
}
@Override
public ListenableFuture<RpcResult<TransactionStatus>> commit() {
return delegateWriteTx.commit();
}
@Override
public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final LogicalDatastoreType store,
final YangInstanceIdentifier path) {
return delegateReadTx.read(store, path);
}
@Override
public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store,
final YangInstanceIdentifier path) {
return delegateReadTx.exists(store, path);
}
@Override
public Object getIdentifier() {
return this;
}
}
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