package org.rrd4j.core;
import java.io.IOException;
class RrdLong extends RrdPrimitive {
private long cache;
private boolean cached = false;
RrdLong(RrdUpdater updater, boolean isConstant) throws IOException {
super(updater, RrdPrimitive.RRD_LONG, isConstant);
}
RrdLong(RrdUpdater updater) throws IOException {
this(updater, false);
}
void set(long value) throws IOException {
if (!isCachingAllowed()) {
writeLong(value);
}
// caching allowed
else if (!cached || cache != value) {
// update cache
writeLong(cache = value);
cached = true;
}
}
long get() throws IOException {
if (!isCachingAllowed()) {
return readLong();
}
else {
if (!cached) {
cache = readLong();
cached = true;
}
return cache;
}
}
}