[ONOS-2408]Data model and utility class about RFC 7047 (ovsdb protocol).
The whole lib of ovsdb provides the function of encode to jasonRPC and
decode to Pojo to consumer, the bussiness of coordination of
communication is implemented by adapter.
Change-Id: I4c35426273394c1699207e5a4f2e98cead59f1e1
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Condition.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Condition.java
new file mode 100644
index 0000000..40aab68
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/notation/Condition.java
@@ -0,0 +1,123 @@
+/*
+ * 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.ConditionSerializer;
+
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+
+/**
+ * Condition is a 3-element JSON array of the form [column, function, value]
+ * that represents a test on a column value.
+ */
+@JsonSerialize(using = ConditionSerializer.class)
+public final class Condition {
+ /**
+ * Function of Notation. Refer to RFC 7047 Section 5.1.
+ */
+ public enum Function {
+ LESS_THAN("<"), LESS_THAN_OR_EQUALS("<="), EQUALS("=="),
+ NOT_EQUALS("!="), GREATER_THAN(">"), GREATER_THAN_OR_EQUALS(">="),
+ INCLUDES("includes"), EXCLUDES("excludes");
+
+ private final String function;
+
+ private Function(String function) {
+ this.function = function;
+ }
+
+ /**
+ * Returns the function for Function.
+ * @return the function
+ */
+ public String function() {
+ return function;
+ }
+ }
+
+ private final String column;
+ private final Function function;
+ private final Object value;
+
+ /**
+ * Constructs a Condition object.
+ * @param column the column name
+ * @param function Function
+ * @param value column data
+ */
+ public Condition(String column, Function function, Object value) {
+ checkNotNull(column, "column is not null");
+ checkNotNull(function, "function is not null");
+ checkNotNull(value, "value is not null");
+ this.column = column;
+ this.function = function;
+ this.value = value;
+ }
+
+ /**
+ * Returns column name.
+ * @return column name
+ */
+ public String getColumn() {
+ return column;
+ }
+
+ /**
+ * Returns Function.
+ * @return Function
+ */
+ public Function getFunction() {
+ return function;
+ }
+
+ /**
+ * Returns column data.
+ * @return column data
+ */
+ public Object getValue() {
+ return value;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(column, function, value);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof Condition) {
+ final Condition other = (Condition) obj;
+ return Objects.equals(this.column, other.column)
+ && Objects.equals(this.function, other.function)
+ && Objects.equals(this.value, other.value);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(this).add("column", column)
+ .add("function", function).add("value", value).toString();
+ }
+}