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<java.lang.String,org.apache.directory.api.ldap.model.entry.Entry>

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

All Implemented Interfaces:

MasterTable, Table<java.lang.String,org.apache.directory.api.ldap.model.entry.Entry>

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

The master table used to store the Attributes of entries.

Field Summary

Fields

Modifier and Type	Field and Description
protected JdbmTable<java.lang.String,java.lang.String>	adminTbl
private static jdbm.helper.StringComparator	STRCOMP
private static org.apache.directory.api.ldap.model.schema.comparators.SerializableComparator<java.lang.String>	STRING_COMPARATOR

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

marshaller

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, java.lang.String dbName, jdbm.helper.Serializer serializer)

Method Summary

Modifier and Type	Method and Description
java.lang.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, getBTree, getBTree, getDupsContainer, getKeySerializer, getMarshaller, getValueSerializer, greaterThanCount, has, has, hasGreaterOrEqual, hasGreaterOrEqual, hasLessOrEqual, hasLessOrEqual, isDupsEnabled, isKeyUsingBTree, 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

STRCOMP

private static final jdbm.helper.StringComparator STRCOMP

STRING_COMPARATOR

private static final org.apache.directory.api.ldap.model.schema.comparators.SerializableComparator<java.lang.String> STRING_COMPARATOR

adminTbl

protected final JdbmTable<java.lang.String,java.lang.String> adminTbl

Constructor Detail

JdbmMasterTable

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

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

Parameters:

recMan - the JDBM record manager

schemaManager - the schema manager

Throws:

java.lang.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,
                          java.lang.String dbName,
                          jdbm.helper.Serializer serializer)
                   throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

getNextId

public java.lang.String getNextId(org.apache.directory.api.ldap.model.entry.Entry entry)
                           throws java.lang.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 MasterTable

Parameters:

entry - the entry in case the id is derived from the entry.

Returns:

the current value incremented by one.

Throws:

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

resetCounter

public void resetCounter()
                  throws java.lang.Exception

Throws:

java.lang.Exception