org.tmatesoft.sqljet.core.internal.table
Class SqlJetBtreeIndexTable
java.lang.Object
org.tmatesoft.sqljet.core.internal.table.SqlJetBtreeTable
org.tmatesoft.sqljet.core.internal.table.SqlJetBtreeIndexTable
- All Implemented Interfaces:
- ISqlJetBtreeIndexTable, ISqlJetBtreeTable
public class SqlJetBtreeIndexTable
- extends SqlJetBtreeTable
- implements ISqlJetBtreeIndexTable
Method Summary |
boolean |
checkKey(java.lang.Object... key)
Check current record against key. |
int |
compareKey(java.lang.Object[] key)
|
int |
compareKeys(java.lang.Object[] firstKey,
java.lang.Object[] lastKey)
|
boolean |
delete(long rowId,
java.lang.Object... key)
Delete entry which matches to key and point to given rowId. |
ISqlJetIndexDef |
getIndexDef()
|
long |
getKeyRowId()
|
void |
insert(long rowId,
boolean append,
java.lang.Object... key)
Writes key into the index. |
long |
lookup(boolean next,
java.lang.Object... values)
Lookup index entry by key values. |
long |
lookupLastNear(java.lang.Object[] key)
|
long |
lookupNear(boolean next,
java.lang.Object[] key)
|
void |
reindex(ISqlJetSchema schema)
|
Methods inherited from class org.tmatesoft.sqljet.core.internal.table.SqlJetBtreeTable |
checkField, clear, clearRecordCache, close, delete, eof, first, getBlob, getCursor, getEncoding, getFieldsCount, getFieldType, getFloat, getInteger, getKeyInfo, getKeySize, getRecord, getString, getValue, getValueMem, getValues, getValueUncached, hasMoved, insert, isNull, last, lock, lockTable, moveTo, newRowId, newRowId, next, popState, previous, pushState, unlock |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.tmatesoft.sqljet.core.internal.table.ISqlJetBtreeTable |
clear, close, delete, eof, first, getBlob, getEncoding, getFieldsCount, getFieldType, getFloat, getInteger, getKeySize, getRecord, getString, getValue, getValues, hasMoved, insert, isNull, last, lock, lockTable, moveTo, newRowId, newRowId, next, popState, previous, pushState, unlock |
SqlJetBtreeIndexTable
public SqlJetBtreeIndexTable(ISqlJetBtree btree,
java.lang.String indexName,
boolean write)
throws SqlJetException
- Open index by name
- Throws:
SqlJetException
SqlJetBtreeIndexTable
public SqlJetBtreeIndexTable(ISqlJetBtree btree,
java.lang.String indexName,
java.util.List<java.lang.String> columns,
boolean write)
throws SqlJetException
- Throws:
SqlJetException
getIndexDef
public ISqlJetIndexDef getIndexDef()
- Returns:
- the indexDef
lookup
public long lookup(boolean next,
java.lang.Object... values)
throws SqlJetException
- Description copied from interface:
ISqlJetBtreeIndexTable
- Lookup index entry by key values. If 'next' is true then just check next entry in index.
- Specified by:
lookup
in interface ISqlJetBtreeIndexTable
- Parameters:
next
- just check next index entryvalues
- the key values
- Returns:
-
- Throws:
SqlJetException
compareKeys
public int compareKeys(java.lang.Object[] firstKey,
java.lang.Object[] lastKey)
throws SqlJetException
- Specified by:
compareKeys
in interface ISqlJetBtreeIndexTable
- Returns:
-
- Throws:
SqlJetException
checkKey
public boolean checkKey(java.lang.Object... key)
throws SqlJetException
- Description copied from interface:
ISqlJetBtreeIndexTable
- Check current record against key.
- Specified by:
checkKey
in interface ISqlJetBtreeIndexTable
- Returns:
-
- Throws:
SqlJetException
insert
public void insert(long rowId,
boolean append,
java.lang.Object... key)
throws SqlJetException
- Description copied from interface:
ISqlJetBtreeIndexTable
- Writes key into the index. Data for the entry is nil.
Append flag that provides a hint to the b-tree layer that this insert is
likely to be an append.
- Specified by:
insert
in interface ISqlJetBtreeIndexTable
- Throws:
SqlJetException
delete
public boolean delete(long rowId,
java.lang.Object... key)
throws SqlJetException
- Description copied from interface:
ISqlJetBtreeIndexTable
- Delete entry which matches to key and point to given rowId.
- Specified by:
delete
in interface ISqlJetBtreeIndexTable
- Returns:
- true if there was deleted entry which matches to key.
- Throws:
SqlJetException
getKeyRowId
public long getKeyRowId()
throws SqlJetException
- Specified by:
getKeyRowId
in interface ISqlJetBtreeIndexTable
- Throws:
SqlJetException
reindex
public void reindex(ISqlJetSchema schema)
throws SqlJetException
- Throws:
SqlJetException
compareKey
public int compareKey(java.lang.Object[] key)
throws SqlJetException
- Specified by:
compareKey
in interface ISqlJetBtreeIndexTable
- Returns:
-
- Throws:
SqlJetException
lookupNear
public long lookupNear(boolean next,
java.lang.Object[] key)
throws SqlJetException
- Specified by:
lookupNear
in interface ISqlJetBtreeIndexTable
- Returns:
-
- Throws:
SqlJetException
lookupLastNear
public long lookupLastNear(java.lang.Object[] key)
throws SqlJetException
- Specified by:
lookupLastNear
in interface ISqlJetBtreeIndexTable
- Returns:
-
- Throws:
SqlJetException