[ONOS-3116] Port Pair interface for SFC
Change-Id: Iecb72132bb84f062c9696a3f46bd6617519f8f68
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/PortPair.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/PortPair.java
new file mode 100644
index 0000000..f6285e6
--- /dev/null
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/PortPair.java
@@ -0,0 +1,139 @@
+/*
+ * 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.vtnrsc;
+
+
+/**
+ * Abstraction of an entity providing Port Pair information.
+ * A port pair represents a service function instance.
+ */
+public interface PortPair {
+
+ /**
+ * Returns the ID of this port Pair.
+ *
+ * @return the port pair id
+ */
+ PortPairId portPairId();
+
+ /**
+ * Returns the tenant id of this port pair.
+ *
+ * @return an tenant id
+ */
+ TenantId tenantId();
+
+ /**
+ * Returns the description of this port pair.
+ *
+ * @return description of port pair
+ */
+ String name();
+
+ /**
+ * Returns the description of this port pair.
+ *
+ * @return description of port pair
+ */
+ String description();
+
+ /**
+ * Returns the ingress port of this port pair.
+ *
+ * @return ingress of port pair
+ */
+ String ingress();
+
+ /**
+ * Returns the egress port of this port pair.
+ *
+ * @return egress of port pair
+ */
+ String egress();
+
+ /**
+ * Returns whether this port pair is an exact match to the port pair given
+ * in the argument.
+ * <p>
+ * Exact match means the Port port pairs match with the given port pair.
+ * It does not consider the port pair id, name and description.
+ * </p>
+ * @param portPair other port pair to match against
+ * @return true if the port pairs are an exact match, otherwise false
+ */
+ boolean exactMatch(PortPair portPair);
+
+ /**
+ * A port pair builder..
+ */
+ interface Builder {
+
+ /**
+ * Assigns the port pair id to this object.
+ *
+ * @param portPairId the port pair id
+ * @return this the builder object
+ */
+ Builder setId(PortPairId portPairId);
+
+ /**
+ * Assigns tenant id to this object.
+ *
+ * @param tenantId tenant id of the port pair
+ * @return this the builder object
+ */
+ Builder setTenantId(TenantId tenantId);
+
+ /**
+ * Assigns the name to this object.
+ *
+ * @param name name of the port pair
+ * @return this the builder object
+ */
+ Builder setName(String name);
+
+ /**
+ * Assigns the description to this object.
+ *
+ * @param description description of the port pair
+ * @return this the builder object
+ */
+ Builder setDescription(String description);
+
+ /**
+ * Assigns the ingress port to this object.
+ *
+ * @param port ingress port of the port pair
+ * @return this the builder object
+ */
+ Builder setIngress(String port);
+
+ /**
+ * Assigns the egress port to this object.
+ *
+ * @param port egress port of the port pair
+ * @return this the builder object
+ */
+ Builder setEgress(String port);
+
+ /**
+ * Builds a port pair object.
+ *
+ * @return a port pair.
+ */
+ PortPair build();
+ }
+}