/**
* Convert IGFS affinity block location into Hadoop affinity block location.
*
* @param block IGFS affinity block location.
* @return Hadoop affinity block location.
*/
private BlockLocation convert(IgfsBlockLocation block) {
Collection<String> names = block.names();
Collection<String> hosts = block.hosts();
return new BlockLocation(
names.toArray(new String[names.size()]) /* hostname:portNumber of data nodes */,
hosts.toArray(new String[hosts.size()]) /* hostnames of data nodes */,
block.start(),
block.length()) {
@Override
public String toString() {
try {
return "BlockLocation [offset="
+ getOffset()
+ ", length="
+ getLength()
+ ", hosts="
+ Arrays.asList(getHosts())
+ ", names="
+ Arrays.asList(getNames())
+ ']';
} catch (IOException e) {
throw new RuntimeException(e);
}
}
};
}
/**
* @param location HDFS block location.
* @param len New length.
*/
public IgfsBlockLocationImpl(IgfsBlockLocation location, long len) {
assert location != null;
start = location.start();
this.len = len;
nodeIds = location.nodeIds();
names = location.names();
hosts = location.hosts();
}