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package org.statmt.hg4;
import java.util.HashMap;
public class VertexSignature extends HashMap<String,Comparable> implements Comparable<VertexSignature> {
private static final long serialVersionUID = 13434L;
@Override
public int hashCode() {
int hc = 0;
for (String x : this.keySet()) {
hc *= 37;
hc += x.hashCode();
}
for (Object o : this.values()) {
hc *= 37;
hc += o.hashCode();
}
return hc;
}
@Override
public boolean equals(Object o) {
VertexSignature v = (VertexSignature)o;
int cs = v.size();
for (String x : this.keySet()) {
Object ot = this.get(x);
if (!ot.equals(v.get(x)))
return false;
cs--;
}
return cs == 0;
}
public int compareTo(VertexSignature o) {
VertexSignature v = (VertexSignature)o;
int cs = v.size();
for (String x : this.keySet()) {
Comparable<Object> ot = this.get(x);
if (ot.compareTo(v.get(x)) != 0)
return ot.compareTo(v.get(x));
cs--;
}
return cs;
}
}
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