@Override
public void initialize() {
final String PURECRC32C = "org.apache.hadoop.util.PureJavaCrc32C";
LOG = LogFactory.getLog(ChecksumType.class);
try {
ctor = ChecksumFactory.newConstructor(PURECRC32C);
LOG.debug("Checksum can use " + PURECRC32C);
} catch (Exception e) {
LOG.trace(PURECRC32C + " not available.");
}
}
@Override
public void initialize() {
final String PURECRC32 = "org.apache.hadoop.util.PureJavaCrc32";
final String JDKCRC = "java.util.zip.CRC32";
LOG = LogFactory.getLog(ChecksumType.class);
// check if hadoop library is available
try {
ctor = ChecksumFactory.newConstructor(PURECRC32);
LOG.debug("Checksum using " + PURECRC32);
} catch (Exception e) {
LOG.trace(PURECRC32 + " not available.");
}
try {
// The default checksum class name is java.util.zip.CRC32.
// This is available on all JVMs.
if (ctor == null) {
ctor = ChecksumFactory.newConstructor(JDKCRC);
LOG.debug("Checksum can use " + JDKCRC);
}
} catch (Exception e) {
LOG.trace(JDKCRC + " not available.");
}
}
