diff options
Diffstat (limited to 'framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java')
-rw-r--r-- | framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java deleted file mode 100644 index bb69b472..00000000 --- a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/MapValue.java +++ /dev/null @@ -1,158 +0,0 @@ -/* - * 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.store.ecmap; - -import org.onosproject.store.Timestamp; - -import com.google.common.base.MoreObjects; -import com.google.common.base.Objects; - -/** - * Representation of a value in EventuallyConsistentMap. - * - * @param <V> value type - */ -public class MapValue<V> implements Comparable<MapValue<V>> { - private final Timestamp timestamp; - private final V value; - - /** - * Creates a tombstone value with the specified timestamp. - * @param timestamp timestamp for tombstone - * @return tombstone MapValue - * - * @param <U> value type - */ - public static <U> MapValue<U> tombstone(Timestamp timestamp) { - return new MapValue<>(null, timestamp); - } - - public MapValue(V value, Timestamp timestamp) { - this.value = value; - this.timestamp = timestamp; - } - - public boolean isTombstone() { - return value == null; - } - - public boolean isAlive() { - return value != null; - } - - public Timestamp timestamp() { - return timestamp; - } - - public V get() { - return value; - } - - @Override - public int compareTo(MapValue<V> o) { - return this.timestamp.compareTo(o.timestamp); - } - - public boolean isNewerThan(MapValue<V> other) { - return timestamp.isNewerThan(other.timestamp); - } - - public boolean isNewerThan(Timestamp timestamp) { - return this.timestamp.isNewerThan(timestamp); - } - - public Digest digest() { - return new Digest(timestamp, isTombstone()); - } - - @Override - public int hashCode() { - return Objects.hashCode(timestamp, value); - } - - @SuppressWarnings("unchecked") - @Override - public boolean equals(Object other) { - if (other instanceof MapValue) { - MapValue<V> that = (MapValue<V>) other; - return Objects.equal(this.timestamp, that.timestamp) && - Objects.equal(this.value, that.value); - } - return false; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .add("timestamp", timestamp) - .add("value", value) - .toString(); - } - - @SuppressWarnings("unused") - private MapValue() { - this.timestamp = null; - this.value = null; - } - - /** - * Digest or summary of a MapValue for use during Anti-Entropy exchanges. - */ - public static class Digest { - private final Timestamp timestamp; - private final boolean isTombstone; - - public Digest(Timestamp timestamp, boolean isTombstone) { - this.timestamp = timestamp; - this.isTombstone = isTombstone; - } - - public Timestamp timestamp() { - return timestamp; - } - - public boolean isTombstone() { - return isTombstone; - } - - public boolean isNewerThan(Digest other) { - return timestamp.isNewerThan(other.timestamp); - } - - @Override - public int hashCode() { - return Objects.hashCode(timestamp, isTombstone); - } - - @Override - public boolean equals(Object other) { - if (other instanceof Digest) { - Digest that = (Digest) other; - return Objects.equal(this.timestamp, that.timestamp) && - Objects.equal(this.isTombstone, that.isTombstone); - } - return false; - } - - @Override - public String toString() { - return MoreObjects.toStringHelper(getClass()) - .add("timestamp", timestamp) - .add("isTombstone", isTombstone) - .toString(); - } - } -} |