/** {@inheritDoc} */
@Override
protected void updateMinMax(Number min, Number max) {
// we always use the double values, because that way the response Object class is
// consistent regardless of whether we only have 1 value or many that we min/max
//
// TODO: would be nice to have subclasses for each type of Number ... breaks backcompat
if (computeMin) { // nested if to encourage JIT to optimize aware final var?
if (null != min) {
double minD = min.doubleValue();
if (null == this.min || minD < this.minD) {
// Double for result & cached primitive doulbe to minimize unboxing in future comparisons
this.min = this.minD = minD;
}
}
}
if (computeMax) { // nested if to encourage JIT to optimize aware final var?
if (null != max) {
double maxD = max.doubleValue();
if (null == this.max || this.maxD < maxD) {
// Double for result & cached primitive doulbe to minimize unboxing in future comparisons
this.max = this.maxD = maxD;
}
}
}
}
/** {@inheritDoc} */
@Override
public void updateTypeSpecificStats(Number v, int count) {
double value = v.doubleValue();
if (computeSumOfSquares) {
sumOfSquares += (value * value * count); // for std deviation
}
if (computeSum) {
sum += value * count;
}
if (computePercentiles) {
tdigest.add(value, count);
}
}
@Override
public long hash(Number v) {
// have to use a bit of reflection to ensure good hash values since
// we don't have truely type specific stats
if (v instanceof Long) {
return hasher.hashLong(v.longValue()).asLong();
} else if (v instanceof Integer) {
return hasher.hashInt(v.intValue()).asLong();
} else if (v instanceof Double) {
return hasher.hashLong(Double.doubleToRawLongBits(v.doubleValue())).asLong();
} else if (v instanceof Float) {
return hasher.hashInt(Float.floatToRawIntBits(v.floatValue())).asLong();
} else if (v instanceof Byte) {
return hasher.newHasher().putByte(v.byteValue()).hash().asLong();
} else if (v instanceof Short) {
return hasher.newHasher().putShort(v.shortValue()).hash().asLong();
}
// else...
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR,
"Unsupported Numeric Type (" + v.getClass() + ") for hashing: " + statsField);
}
/** {@inheritDoc} */
@Override
protected void updateMinMax(Number min, Number max) {
this.min = Math.min(this.min.doubleValue(), min.doubleValue());
this.max = Math.max(this.max.doubleValue(), max.doubleValue());
}
/** {@inheritDoc} */
@Override
public void updateTypeSpecificStats(Number v, int count) {
double value = v.doubleValue();
sumOfSquares += (value * value * count); // for std deviation
sum += value * count;
}