[ONOS-2447]RFC7047's API and its implementation and five main tables.
provide RFC7047's API and its implementation, and five main table which
contain Bridge, Controller, Interface, Open_vSwitch and Port
Change-Id: I9e995a056fd55c986f5866c85ac712f1792cff4f
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/tableservice/ColumnDescription.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/tableservice/ColumnDescription.java
new file mode 100644
index 0000000..910b329
--- /dev/null
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/tableservice/ColumnDescription.java
@@ -0,0 +1,117 @@
+/*
+ * 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.tableservice;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import org.onosproject.ovsdb.rfc.table.VersionNum;
+import org.onosproject.ovsdb.rfc.utils.VersionUtil;
+
+/**
+ * Column description.
+ */
+public class ColumnDescription {
+
+ // The column name
+ private final String name;
+ // The method name
+ private final String method;
+ // The initial version
+ private final String fromVersion;
+ // The end of the version
+ private final String untilVersion;
+
+ /**
+ * Constructs a MonitorRequest object.
+ * @param name column name
+ * @param method method name
+ */
+ public ColumnDescription(String name, String method) {
+ checkNotNull(name, "name cannot be null");
+ checkNotNull(method, "method cannot be null");
+ this.name = name;
+ this.method = method;
+ this.fromVersion = VersionUtil.DEFAULT_VERSION_STRING;
+ this.untilVersion = VersionUtil.DEFAULT_VERSION_STRING;
+ }
+
+ /**
+ * Constructs a MonitorRequest object.
+ * @param name column name
+ * @param method method name
+ * @param fromVersion the initial version
+ */
+ public ColumnDescription(String name, String method, VersionNum fromVersion) {
+ checkNotNull(name, "name cannot be null");
+ checkNotNull(method, "method cannot be null");
+ checkNotNull(fromVersion, "the initial version cannot be null");
+ this.name = name;
+ this.method = method;
+ this.fromVersion = fromVersion.versionNum();
+ this.untilVersion = VersionUtil.DEFAULT_VERSION_STRING;
+ }
+
+ /**
+ * Constructs a MonitorRequest object.
+ * @param name column name
+ * @param method method name
+ * @param fromVersion the initial version
+ * @param untilVersion the end of the version
+ */
+ public ColumnDescription(String name, String method, VersionNum fromVersion,
+ VersionNum untilVersion) {
+ checkNotNull(name, "name cannot be null");
+ checkNotNull(method, "method cannot be null");
+ checkNotNull(fromVersion, "the initial version cannot be null");
+ checkNotNull(untilVersion, "the end of the version cannot be null");
+ this.name = name;
+ this.method = method;
+ this.fromVersion = fromVersion.versionNum();
+ this.untilVersion = untilVersion.versionNum();
+ }
+
+ /**
+ * Returns the column name.
+ * @return the column name
+ */
+ public String name() {
+ return name;
+ }
+
+ /**
+ * Returns the method name.
+ * @return the method name
+ */
+ public String method() {
+ return method;
+ }
+
+ /**
+ * Returns the initial version.
+ * @return the initial version
+ */
+ public String fromVersion() {
+ return fromVersion;
+ }
+
+ /**
+ * Returns the end of the version.
+ * @return the end of the version
+ */
+ public String untilVersion() {
+ return untilVersion;
+ }
+}