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/*
* Copyright (c) 2017 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 static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
/**
* Update to a normalized node identifiable by its {@link YangInstanceIdentifier}.
*/
final class NormalizedNodeUpdate {
@Nonnull
private final YangInstanceIdentifier id;
@Nullable
private final NormalizedNode<?, ?> dataBefore;
@Nullable
private final NormalizedNode<?, ?> dataAfter;
NormalizedNodeUpdate(@Nonnull final YangInstanceIdentifier id,
@Nullable final NormalizedNode<?, ?> dataBefore,
@Nullable final NormalizedNode<?, ?> dataAfter) {
this.id = checkNotNull(id);
this.dataAfter = dataAfter;
this.dataBefore = dataBefore;
}
@Nullable
public NormalizedNode<?, ?> getDataBefore() {
return dataBefore;
}
@Nullable
public NormalizedNode<?, ?> getDataAfter() {
return dataAfter;
}
@Nonnull
public YangInstanceIdentifier getId() {
return id;
}
static NormalizedNodeUpdate create(@Nonnull final Modification modification) {
final com.google.common.base.Optional<NormalizedNode<?, ?>> beforeData =
modification.getDataBefore();
final com.google.common.base.Optional<NormalizedNode<?, ?>> afterData =
modification.getDataAfter();
checkArgument(beforeData.isPresent() || afterData.isPresent(),
"Both before and after data are null for %s", modification.getId());
return NormalizedNodeUpdate.create(modification.getId(), beforeData.orNull(), afterData.orNull());
}
static NormalizedNodeUpdate create(@Nonnull final YangInstanceIdentifier id,
@Nullable final NormalizedNode<?, ?> dataBefore,
@Nullable final NormalizedNode<?, ?> dataAfter) {
return new NormalizedNodeUpdate(id, dataBefore, dataAfter);
}
@Override
public boolean equals(final Object other) {
if (this == other) {
return true;
}
if (other == null || getClass() != other.getClass()) {
return false;
}
final NormalizedNodeUpdate that = (NormalizedNodeUpdate) other;
return id.equals(that.id);
}
@Override
public int hashCode() {
return id.hashCode();
}
@Override
public String toString() {
return "NormalizedNodeUpdate{" + "id=" + id
+ ", dataBefore=" + dataBefore
+ ", dataAfter=" + dataAfter
+ '}';
}
}
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