Initial opendaylight infrastructure commit!!
[controller.git] / third-party / openflowj / src / main / java / org / openflow / protocol / queue / OFQueueProperty.java
diff --git a/third-party/openflowj/src/main/java/org/openflow/protocol/queue/OFQueueProperty.java b/third-party/openflowj/src/main/java/org/openflow/protocol/queue/OFQueueProperty.java
new file mode 100644 (file)
index 0000000..d9e8785
--- /dev/null
@@ -0,0 +1,100 @@
+package org.openflow.protocol.queue;
+
+import java.nio.ByteBuffer;
+
+import org.openflow.util.U16;
+
+/**
+ * Corresponds to the struct ofp_queue_prop_header OpenFlow structure
+ *
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ */
+public class OFQueueProperty implements Cloneable {
+    public static int MINIMUM_LENGTH = 8;
+
+    protected OFQueuePropertyType type;
+    protected short length;
+
+    /**
+     * @return the type
+     */
+    public OFQueuePropertyType getType() {
+        return type;
+    }
+
+    /**
+     * @param type the type to set
+     */
+    public void setType(OFQueuePropertyType type) {
+        this.type = type;
+    }
+
+    /**
+     * @return the length
+     */
+    public short getLength() {
+        return length;
+    }
+
+    /**
+     * Returns the unsigned length
+     *
+     * @return the length
+     */
+    public int getLengthU() {
+        return U16.f(length);
+    }
+
+    /**
+     * @param length the length to set
+     */
+    public void setLength(short length) {
+        this.length = length;
+    }
+
+    public void readFrom(ByteBuffer data) {
+        this.type = OFQueuePropertyType.valueOf(data.getShort());
+        this.length = data.getShort();
+        data.getInt(); // pad
+    }
+
+    public void writeTo(ByteBuffer data) {
+        data.putShort(this.type.getTypeValue());
+        data.putShort(this.length);
+        data.putInt(0); // pad
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 2777;
+        int result = 1;
+        result = prime * result + length;
+        result = prime * result + ((type == null) ? 0 : type.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (!(obj instanceof OFQueueProperty))
+            return false;
+        OFQueueProperty other = (OFQueueProperty) obj;
+        if (length != other.length)
+            return false;
+        if (type != other.type)
+            return false;
+        return true;
+    }
+
+    @Override
+    protected OFQueueProperty clone() {
+        try {
+            return (OFQueueProperty) super.clone();
+        } catch (CloneNotSupportedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}