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author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/UpdateEntry.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/UpdateEntry.java')
-rw-r--r-- | framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/UpdateEntry.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/UpdateEntry.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/UpdateEntry.java new file mode 100644 index 00000000..53683b98 --- /dev/null +++ b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/ecmap/UpdateEntry.java @@ -0,0 +1,80 @@ +/* + * 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 static com.google.common.base.Preconditions.checkNotNull; + +import com.google.common.base.MoreObjects; + +/** + * Describes a single update event in an EventuallyConsistentMap. + */ +final class UpdateEntry<K, V> { + private final K key; + private final MapValue<V> value; + + /** + * Creates a new update entry. + * + * @param key key of the entry + * @param value value of the entry + */ + public UpdateEntry(K key, MapValue<V> value) { + this.key = checkNotNull(key); + this.value = value; + } + + /** + * Returns the key. + * + * @return the key + */ + public K key() { + return key; + } + + /** + * Returns the value of the entry. + * + * @return the value + */ + public MapValue<V> value() { + return value; + } + + /** + * Returns if this entry is newer than other entry. + * @param other other entry + * @return true if this entry is newer; false otherwise + */ + public boolean isNewerThan(UpdateEntry<K, V> other) { + return other == null || other.value == null || (value != null && value.isNewerThan(other.value)); + } + + @Override + public String toString() { + return MoreObjects.toStringHelper(getClass()) + .add("key", key()) + .add("value", value) + .toString(); + } + + @SuppressWarnings("unused") + private UpdateEntry() { + this.key = null; + this.value = null; + } +} |