@Override
Object createArray(int length, Bits bits, int requiredBits) {
if (length == 0) {
return EMPTY_DOUBLE_ARRAY;
}
final double[] result = new double[length];
for (int i = 0; i < length; i++) {
result[i] = Double.longBitsToDouble(bits.getLong(requiredBits));
}
return result;
}
private void assertBitPackedArrayGetsCorrectlySerializedAndDeserialized(
Object array, PropertyType type, int expectedBitsUsedPerItem, int expectedRecordCount) {
Collection<DynamicRecord> records = storeArray(array);
Pair<byte[], byte[]> asBytes = loadArray(records);
assertArrayHeader(asBytes.first(), type, expectedBitsUsedPerItem);
Bits bits = Bits.bitsFromBytes(asBytes.other());
int length = Array.getLength(array);
for (int i = 0; i < length; i++)
assertEquals(
((Number) Array.get(array, i)).longValue(), bits.getLong(expectedBitsUsedPerItem));
}
@Override
Object createArray(int length, Bits bits, int requiredBits) {
if (length == 0) {
return EMPTY_LONG_ARRAY;
}
final long[] result = new long[length];
for (int i = 0; i < length; i++) {
result[i] = bits.getLong(requiredBits);
}
return result;
}
public static long versionStringToLong(String storeVersion) {
if (CommonAbstractStore.UNKNOWN_VERSION.equals(storeVersion)) {
return -1;
}
Bits bits = Bits.bits(8);
int length = storeVersion.length();
if (length == 0 || length > 7) {
throw new IllegalArgumentException(
String.format(
"The given string %s is not of proper size for a store version string",
storeVersion));
}
bits.put(length, 8);
for (int i = 0; i < length; i++) {
char c = storeVersion.charAt(i);
if (c < 0 || c >= 256)
throw new IllegalArgumentException(
String.format(
"Store version strings should be encode-able as Latin1 - %s is not", storeVersion));
bits.put(c, 8); // Just the lower byte
}
return bits.getLong();
}
