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/*
* Copyright 2015 Open Networking Laboratory
*
* 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 org.onosproject.ovsdb.rfc.message;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Objects;
import org.onosproject.ovsdb.rfc.notation.Row;
import org.onosproject.ovsdb.rfc.notation.UUID;
/**
* A TableUpdate is an object that maps from the row's UUID to a RowUpdate object.
* A RowUpdate is an object with the following members: "old": row, "new": row.
* Refer to RFC 7047 Section 4.1.6.
*/
public final class RowUpdate {
private final UUID uuid;
private final Row oldRow;
private final Row newRow;
/**
* Constructs a RowUpdate object.
* @param uuid UUID
* @param oldRow present for "delete" and "modify" updates
* @param newRow present for "initial", "insert", and "modify" updates
*/
public RowUpdate(UUID uuid, Row oldRow, Row newRow) {
checkNotNull(uuid, "uuid cannot be null");
this.uuid = uuid;
this.oldRow = oldRow;
this.newRow = newRow;
}
/**
* Return uuid.
* @return uuid
*/
public UUID uuid() {
return this.uuid;
}
/**
* Return oldRow.
* @return oldRow
*/
public Row oldRow() {
return oldRow;
}
/**
* Return newRow.
* @return newRow
*/
public Row newRow() {
return newRow;
}
@Override
public int hashCode() {
return Objects.hash(uuid, oldRow, newRow);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof RowUpdate) {
final RowUpdate other = (RowUpdate) obj;
return Objects.equals(this.uuid, other.uuid)
&& Objects.equals(this.oldRow, other.oldRow)
&& Objects.equals(this.newRow, other.newRow);
}
return false;
}
@Override
public String toString() {
return toStringHelper(this).add("uuid", uuid).add("oldRow", oldRow)
.add("newRow", newRow).toString();
}
}
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