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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/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Mutation.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Mutation.java')
-rw-r--r-- | framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Mutation.java | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Mutation.java b/framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Mutation.java new file mode 100644 index 00000000..5b5293c2 --- /dev/null +++ b/framework/src/onos/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Mutation.java @@ -0,0 +1,124 @@ +/* + * 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.notation; + +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.json.MutationSerializer; + +import com.fasterxml.jackson.databind.annotation.JsonSerialize; + +/** + * Mutation is s 3-element JSON array of the form [column, mutator, value] that + * represents a change to a column value. + */ +@JsonSerialize(using = MutationSerializer.class) +public final class Mutation { + /** + * Mutator must be "+=", "-=", "*=", "/=", or (integer only) "%=". The value + * of column is changed to the sum, difference, product, quotient, or + * remainder, respectively, of column and value. + */ + public enum Mutator { + SUM("+="), DIFFERENCE("-="), PRODUCT("*="), QUOTIENT("/="), + REMAINDER("%="), INSERT("insert"), DELETE("delete"); + + private final String mutator; + + private Mutator(String mutator) { + this.mutator = mutator; + } + + /** + * Returns the mutator for Mutator. + * @return the mutator + */ + public String mutator() { + return mutator; + } + } + + private final String column; + private final Mutator mutator; + private final Object value; + + /** + * Mutation constructor. + * @param column the column name + * @param mutator Mutator + * @param value column data + */ + public Mutation(String column, Mutator mutator, Object value) { + checkNotNull(column, "column cannot be null"); + checkNotNull(mutator, "mutator cannot be null"); + checkNotNull(value, "value cannot be null"); + this.column = column; + this.mutator = mutator; + this.value = value; + } + + /** + * Returns column name. + * @return column name + */ + public String getColumn() { + return column; + } + + /** + * Returns Mutator. + * @return Mutator + */ + public Mutator getMutator() { + return mutator; + } + + /** + * Returns column data. + * @return column data + */ + public Object getValue() { + return value; + } + + @Override + public int hashCode() { + return Objects.hash(column, mutator, value); + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (obj instanceof Mutation) { + final Mutation other = (Mutation) obj; + return Objects.equals(this.column, other.column) + && Objects.equals(this.mutator, other.mutator) + && Objects.equals(this.value, other.value); + } + return false; + } + + @Override + public String toString() { + return toStringHelper(this).add("column", column) + .add("mutator", mutator).add("value", value).toString(); + } +} |