package scd_micro;
/** CallSign (name) of the plane. Constructor runs and instance lives in the persistent
* detector scope, so that call signs can be linked in the (persistent) state - StateTable.
*/
public class CallSign {
final private byte[] val;
public CallSign(final byte[] v) {
val = v;
}
/** Returns a valid hash code for this object. */
public int hashCode() {
int h = 0;
for(int i=0; i<val.length; i++) {
h += val[i];
}
return h;
}
/** Performs a comparison between this object and another. */
public boolean equals(final Object other) {
if (other == this) return true;
else if (other instanceof CallSign) {
final byte[] cs = ((CallSign) other).val;
if (cs.length != val.length) return false;
for (int i = 0; i < cs.length; i++)
if (cs[i] != val[i]) return false;
return true;
} else return false;
}
/** Performs comparison with ordering taken into account. */
public int compareTo(final Object _other) throws ClassCastException {
final byte[] cs = ((CallSign) _other).val;
if (cs.length < val.length) return -1;
if (cs.length > val.length) return +1;
for (int i = 0; i < cs.length; i++)
if (cs[i] < val[i]) return -1;
else if (cs[i] > val[i]) return +1;
return 0;
}
}