org.apache.directory.server.core.partition.impl.btree.jdbm

Class JdbmMasterTable

java.lang.Object

org.apache.directory.server.xdbm.AbstractTable<K,V>

org.apache.directory.server.core.partition.impl.btree.jdbm.JdbmTable<String,org.apache.directory.api.ldap.model.entry.Entry>

org.apache.directory.server.core.partition.impl.btree.jdbm.JdbmMasterTable

All Implemented Interfaces:

org.apache.directory.server.xdbm.MasterTable, org.apache.directory.server.xdbm.Table<String,org.apache.directory.api.ldap.model.entry.Entry>

public class JdbmMasterTable
extends JdbmTable<String,org.apache.directory.api.ldap.model.entry.Entry>
implements org.apache.directory.server.xdbm.MasterTable

The master table used to store the Attributes of entries.

Author:

Apache Directory Project

Field Summary

Fields

Modifier and Type	Field and Description
protected JdbmTable<String,String>	adminTbl

Fields inherited from class org.apache.directory.server.xdbm.AbstractTable

allowsDuplicates, commitNumber, count, keyComparator, name, schemaManager, valueComparator

Fields inherited from interface org.apache.directory.server.xdbm.MasterTable

DBF, SEQPROP_KEY

Constructor Summary

Constructors

Modifier	Constructor and Description
	JdbmMasterTable(jdbm.RecordManager recMan, org.apache.directory.api.ldap.model.schema.SchemaManager schemaManager) Creates the master table using JDBM B+Trees for the backing store.
protected	JdbmMasterTable(jdbm.RecordManager recMan, org.apache.directory.api.ldap.model.schema.SchemaManager schemaManager, String dbName, jdbm.helper.Serializer serializer)

Method Summary

Methods

Modifier and Type	Method and Description
String	getNextId(org.apache.directory.api.ldap.model.entry.Entry entry) Get's the next value from this SequenceBDb.
void	resetCounter()

Methods inherited from class org.apache.directory.server.core.partition.impl.btree.jdbm.JdbmTable

close, count, cursor, cursor, get, getKeySerializer, getMarshaller, getValueSerializer, greaterThanCount, has, has, hasGreaterOrEqual, hasGreaterOrEqual, hasLessOrEqual, hasLessOrEqual, isDupsEnabled, lessThanCount, put, remove, remove, sync, valueCursor

Methods inherited from class org.apache.directory.server.xdbm.AbstractTable

count, getKeyComparator, getName, getValueComparator, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.directory.server.xdbm.Table

close, count, count, cursor, cursor, get, getKeyComparator, getName, getValueComparator, greaterThanCount, has, has, hasGreaterOrEqual, hasGreaterOrEqual, hasLessOrEqual, hasLessOrEqual, isDupsEnabled, lessThanCount, put, remove, remove, valueCursor

Field Detail

adminTbl

protected final JdbmTable<String,String> adminTbl

Constructor Detail

JdbmMasterTable

public JdbmMasterTable(jdbm.RecordManager recMan,
               org.apache.directory.api.ldap.model.schema.SchemaManager schemaManager)
                throws Exception

Creates the master table using JDBM B+Trees for the backing store.

Parameters:

recMan - the JDBM record manager

schemaManager - the schema manager

Throws:

Exception - if there is an error opening the Db file.

JdbmMasterTable

protected JdbmMasterTable(jdbm.RecordManager recMan,
               org.apache.directory.api.ldap.model.schema.SchemaManager schemaManager,
               String dbName,
               jdbm.helper.Serializer serializer)
                   throws Exception

Throws:

Exception

Method Detail

getNextId

public String getNextId(org.apache.directory.api.ldap.model.entry.Entry entry)
                 throws Exception

Get's the next value from this SequenceBDb. This has the side-effect of changing the current sequence values permanently in memory and on disk. Master table sequence begins at BigInteger.ONE. The BigInteger.ZERO is used for the fictitious parent of the suffix root entry.

Specified by:

getNextId in interface org.apache.directory.server.xdbm.MasterTable

Returns:

the current value incremented by one.

Throws:

Exception - if the admin table storing sequences cannot be read and written to.

resetCounter

public void resetCounter()
                  throws Exception

Throws:

Exception