Implementing port update in trivial core.
diff --git a/net/api/src/main/java/org/onlab/onos/net/DefaultPort.java b/net/api/src/main/java/org/onlab/onos/net/DefaultPort.java
new file mode 100644
index 0000000..56a2979
--- /dev/null
+++ b/net/api/src/main/java/org/onlab/onos/net/DefaultPort.java
@@ -0,0 +1,70 @@
+package org.onlab.onos.net;
+
+import java.util.Objects;
+
+import static com.google.common.base.Objects.toStringHelper;
+
+/**
+ * Default port implementation.
+ */
+public class DefaultPort implements Port {
+
+ private final Element element;
+ private final PortNumber number;
+ private final boolean isEnabled;
+
+ /**
+ * Creates a network element attributed to the specified provider.
+ *
+ * @param element parent network element
+ * @param number port number
+ * @param isEnabled indicator whether the port is up and active
+ */
+ public DefaultPort(Element element, PortNumber number,
+ boolean isEnabled) {
+ this.element = element;
+ this.number = number;
+ this.isEnabled = isEnabled;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(number, isEnabled);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof DefaultPort) {
+ final DefaultPort other = (DefaultPort) obj;
+ return Objects.equals(this.element.id(), other.element.id()) &&
+ Objects.equals(this.number, other.number) &&
+ Objects.equals(this.isEnabled, other.isEnabled);
+ }
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return toStringHelper(this)
+ .add("element", element.id())
+ .add("number", number)
+ .add("isEnabled", isEnabled)
+ .toString();
+ }
+
+ @Override
+ public PortNumber number() {
+ return number;
+ }
+
+ @Override
+ public boolean isEnabled() {
+ return isEnabled;
+ }
+
+ @Override
+ public Element element() {
+ return element;
+ }
+
+}