initial import
Change-Id: Ief25aef0066ea96bd2c329ccef974c072b3a5a73
diff --git a/of/lib/src/main/java/org/projectfloodlight/openflow/types/TableId.java b/of/lib/src/main/java/org/projectfloodlight/openflow/types/TableId.java
new file mode 100644
index 0000000..950087d
--- /dev/null
+++ b/of/lib/src/main/java/org/projectfloodlight/openflow/types/TableId.java
@@ -0,0 +1,100 @@
+package org.projectfloodlight.openflow.types;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.projectfloodlight.openflow.exceptions.OFParseError;
+
+import com.google.common.hash.PrimitiveSink;
+import com.google.common.primitives.Shorts;
+
+public class TableId implements OFValueType<TableId>, Comparable<TableId> {
+
+ final static int LENGTH = 1;
+
+ private static final short VALIDATION_MASK = 0x00FF;
+
+ private static final short ALL_VAL = 0x00FF;
+ private static final short NONE_VAL = 0x0000;
+ public static final TableId NONE = new TableId(NONE_VAL);
+
+ public static final TableId ALL = new TableId(ALL_VAL);
+ public static final TableId ZERO = NONE;
+
+ private final short id;
+
+ private TableId(short id) {
+ this.id = id;
+ }
+
+ public static TableId of(short id) {
+ switch(id) {
+ case NONE_VAL:
+ return NONE;
+ case ALL_VAL:
+ return ALL;
+ default:
+ if ((id & VALIDATION_MASK) != id)
+ throw new IllegalArgumentException("Illegal Table id value: " + id);
+ return new TableId(id);
+ }
+ }
+
+ public static TableId of(int id) {
+ if((id & VALIDATION_MASK) != id)
+ throw new IllegalArgumentException("Illegal Table id value: "+id);
+ return of((short) id);
+ }
+
+ @Override
+ public String toString() {
+ return "0x" + Integer.toHexString(id);
+ }
+
+ public short getValue() {
+ return id;
+ }
+
+ @Override
+ public int getLength() {
+ return LENGTH;
+ }
+
+ public void writeByte(ChannelBuffer c) {
+ c.writeByte(this.id);
+ }
+
+ public static TableId readByte(ChannelBuffer c) throws OFParseError {
+ return TableId.of(c.readUnsignedByte());
+ }
+
+ @Override
+ public TableId applyMask(TableId mask) {
+ return TableId.of((short)(this.id & mask.id));
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (!(obj instanceof TableId))
+ return false;
+ TableId other = (TableId)obj;
+ if (other.id != this.id)
+ return false;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ int prime = 13873;
+ return this.id * prime;
+ }
+
+ @Override
+ public int compareTo(TableId other) {
+ return Shorts.compare(this.id, other.id);
+ }
+
+ @Override
+ public void putTo(PrimitiveSink sink) {
+ sink.putByte((byte) id);
+ }
+
+}