| java.lang.Object
 com.caucho.db.index.BTree
| BTree | | final public class BTree (Code) | | Structure of the table:
b4 - flags
b4 - length
b8 - parent
b8 - next
tuples*
Structure of a tuple:
b8 - ptr to the actual data
key - the tuple's key
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| Field Summary | |
| final public static long | FAIL
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| Constructor Summary | |
| public | BTree(Store store, long rootBlockId, int keySize, KeyCompare keyCompare)
Creates a new BTree with the given backing. |
| Method Summary | |
| public void | close()
| | public void | create()
Creates and initializes the btree. | | public static BTree | createStringTest(Path path, int keySize)
| | public static BTree | createTest(Path path, int keySize)
| | public ArrayList<String> | getBlockKeys(long blockIndex)
| | public long | getIndexRoot()
Returns the index root. | | public void | insert(byte[] keyBuffer, int keyOffset, int keyLength, long value, Transaction xa, boolean isOverride)
Inserts the new value for the given key. | | public long | lookup(byte[] keyBuffer, int keyOffset, int keyLength, Transaction xa)
| | public void | remove(byte[] keyBuffer, int keyOffset, int keyLength, Transaction xa)
| | public String | toString()
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| FAIL | | final public static long FAIL(Code) | | |
| BTree | | public BTree(Store store, long rootBlockId, int keySize, KeyCompare keyCompare) throws IOException(Code) | | Creates a new BTree with the given backing.
Parameters:
store - the underlying store containing the btree. |
| close | | public void close()(Code) | | |
| create | | public void create() throws IOException(Code) | | Creates and initializes the btree.
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| getIndexRoot | | public long getIndexRoot()(Code) | | Returns the index root.
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| insert | | public void insert(byte[] keyBuffer, int keyOffset, int keyLength, long value, Transaction xa, boolean isOverride) throws SQLException(Code) | | Inserts the new value for the given key.
false if the block needs to be split |
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