/**
* Build a block from the given string.
*
* @param s the string
* @return the block
*/
public static Chunk fromString(String s) {
HashMap<String, String> map = DataUtils.parseMap(s);
int id = Integer.parseInt(map.get("id"));
Chunk c = new Chunk(id);
c.start = Long.parseLong(map.get("start"));
c.length = Integer.parseInt(map.get("length"));
c.pageCount = Integer.parseInt(map.get("pageCount"));
c.maxLength = Long.parseLong(map.get("maxLength"));
c.maxLengthLive = Long.parseLong(map.get("maxLengthLive"));
c.metaRootPos = Long.parseLong(map.get("metaRoot"));
c.time = Long.parseLong(map.get("time"));
c.version = Long.parseLong(map.get("version"));
return c;
}
/**
* Read the header from the byte buffer.
*
* @param buff the source buffer
* @param start the start of the chunk in the file
* @return the chunk
*/
static Chunk fromHeader(ByteBuffer buff, long start) {
if (buff.get() != 'c') {
throw DataUtils.newIllegalStateException("File corrupt reading chunk at position {0}", start);
}
int length = buff.getInt();
int chunkId = buff.getInt();
int pageCount = buff.getInt();
long metaRootPos = buff.getLong();
long maxLength = buff.getLong();
long maxLengthLive = buff.getLong();
Chunk c = new Chunk(chunkId);
c.length = length;
c.pageCount = pageCount;
c.start = start;
c.metaRootPos = metaRootPos;
c.maxLength = maxLength;
c.maxLengthLive = maxLengthLive;
return c;
}
