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package com.artifex.gsjava.util;
public class Reference<T> {
private volatile T value;
public Reference() {
this(null);
}
public Reference(T value) {
this.value = value;
}
public void setValue(T value) {
this.value = value;
}
public T getValue() {
return value;
}
@Override
public boolean equals(Object o) {
if (o == null)
return false;
if (o == this)
return true;
if (o instanceof Reference) {
Reference<?> ref = (Reference<?>)o;
return value == null ? ref.value == null : value.equals(ref.value);
}
return false;
}
@Override
public int hashCode() {
return value == null ? 0 : value.hashCode();
}
@Override
public String toString() {
return "Reference<" + (value == null ? "?" : value.getClass().getName()) + "> -> " + value.toString();
}
}
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