| package org.projectfloodlight.openflow.types; |
| |
| import org.projectfloodlight.openflow.annotations.Immutable; |
| import org.projectfloodlight.openflow.util.HexString; |
| |
| import com.google.common.hash.PrimitiveSink; |
| import com.google.common.primitives.Longs; |
| import com.google.common.primitives.UnsignedLongs; |
| |
| /** |
| * Abstraction of a datapath ID that can be set and/or accessed as either a |
| * long value or a colon-separated string. Immutable |
| * |
| * @author Rob Vaterlaus <rob.vaterlaus@bigswitch.com> |
| */ |
| @Immutable |
| public class DatapathId implements PrimitiveSinkable, Comparable<DatapathId> { |
| |
| public static final DatapathId NONE = new DatapathId(0); |
| |
| private final long rawValue; |
| |
| private DatapathId(long rawValue) { |
| this.rawValue = rawValue; |
| } |
| |
| public static DatapathId of(long rawValue) { |
| return new DatapathId(rawValue); |
| } |
| |
| public static DatapathId of(String s) { |
| return new DatapathId(HexString.toLong(s)); |
| } |
| |
| public static DatapathId of(byte[] bytes) { |
| return new DatapathId(Longs.fromByteArray(bytes)); |
| } |
| |
| public long getLong() { |
| return rawValue; |
| } |
| |
| public U64 getUnsignedLong() { |
| return U64.of(rawValue); |
| } |
| |
| public byte[] getBytes() { |
| return Longs.toByteArray(rawValue); |
| } |
| |
| @Override |
| public String toString() { |
| return HexString.toHexString(rawValue); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + (int) (rawValue ^ (rawValue >>> 32)); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| DatapathId other = (DatapathId) obj; |
| if (rawValue != other.rawValue) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public void putTo(PrimitiveSink sink) { |
| sink.putLong(rawValue); |
| } |
| |
| @Override |
| public int compareTo(DatapathId o) { |
| return UnsignedLongs.compare(rawValue, o.rawValue); |
| } |
| } |