// file, one from the top and the other from the bottom.
// Test bottom half first.
// Now test reading from the top.
boolean first = true;
ByteBuffer key = null;
HFileScanner topScanner = top.getScanner(false, false);
while ((!topScanner.isSeeked() && topScanner.seekTo()) ||
(topScanner.isSeeked() && topScanner.next())) {
key = topScanner.getKey();
assertTrue(topScanner.getReader().getComparator().compare(key.array(),
key.arrayOffset(), key.limit(), midkey, 0, midkey.length) >= 0);
if (first) {
first = false;
LOG.info("First in top: " + Bytes.toString(Bytes.toBytes(key)));
}
}
LOG.info("Last in top: " + Bytes.toString(Bytes.toBytes(key)));
first = true;
HFileScanner bottomScanner = bottom.getScanner(false, false);
while ((!bottomScanner.isSeeked() && bottomScanner.seekTo()) ||
bottomScanner.next()) {
previous = bottomScanner.getKey();
key = bottomScanner.getKey();
if (first) {
first = false;
LOG.info("First in bottom: " +
Bytes.toString(Bytes.toBytes(previous)));
}
assertTrue(key.compareTo(bbMidkeyBytes) < 0);
}
if (previous != null) {
LOG.info("Last in bottom: " + Bytes.toString(Bytes.toBytes(previous)));
}
// Remove references.
this.fs.delete(topPath, false);
this.fs.delete(bottomPath, false);
// Next test using a midkey that does not exist in the file.
// First, do a key that is < than first key. Ensure splits behave
// properly.
byte [] badmidkey = Bytes.toBytes(" .");
topPath = StoreFile.split(this.fs, topDir, f, badmidkey, Range.top);
bottomPath = StoreFile.split(this.fs, bottomDir, f, badmidkey,
Range.bottom);
top = new StoreFile(this.fs, topPath, true, conf,
StoreFile.BloomType.NONE, false).createReader();
bottom = new StoreFile(this.fs, bottomPath, true, conf,
StoreFile.BloomType.NONE, false).createReader();
bottomScanner = bottom.getScanner(false, false);
int count = 0;
while ((!bottomScanner.isSeeked() && bottomScanner.seekTo()) ||
bottomScanner.next()) {
count++;
}
// When badkey is < than the bottom, should return no values.
assertTrue(count == 0);
// Now read from the top.
first = true;
topScanner = top.getScanner(false, false);
while ((!topScanner.isSeeked() && topScanner.seekTo()) ||
topScanner.next()) {
key = topScanner.getKey();
assertTrue(topScanner.getReader().getComparator().compare(key.array(),
key.arrayOffset(), key.limit(), badmidkey, 0, badmidkey.length) >= 0);
if (first) {
first = false;
first = false;
KeyValue keyKV = KeyValue.createKeyValueFromKey(key);
LOG.info("First top when key < bottom: " + keyKV);
String tmp = Bytes.toString(keyKV.getRow());
for (int i = 0; i < tmp.length(); i++) {
assertTrue(tmp.charAt(i) == 'a');
}
}
}
KeyValue keyKV = KeyValue.createKeyValueFromKey(key);
LOG.info("Last top when key < bottom: " + keyKV);
String tmp = Bytes.toString(keyKV.getRow());
for (int i = 0; i < tmp.length(); i++) {
assertTrue(tmp.charAt(i) == 'z');
}
// Remove references.
this.fs.delete(topPath, false);
this.fs.delete(bottomPath, false);
// Test when badkey is > than last key in file ('||' > 'zz').
badmidkey = Bytes.toBytes("|||");
topPath = StoreFile.split(this.fs, topDir, f, badmidkey, Range.top);
bottomPath = StoreFile.split(this.fs, bottomDir, f, badmidkey,
Range.bottom);
top = new StoreFile(this.fs, topPath, true, conf,
StoreFile.BloomType.NONE, false).createReader();
bottom = new StoreFile(this.fs, bottomPath, true, conf,
StoreFile.BloomType.NONE, false).createReader();
first = true;
bottomScanner = bottom.getScanner(false, false);
while ((!bottomScanner.isSeeked() && bottomScanner.seekTo()) ||
bottomScanner.next()) {
key = bottomScanner.getKey();
if (first) {
first = false;
keyKV = KeyValue.createKeyValueFromKey(key);
LOG.info("First bottom when key > top: " + keyKV);
tmp = Bytes.toString(keyKV.getRow());