org.apache.directory.server.xdbm.search.impl
Class AndCursor<V,ID>

java.lang.Object
  org.apache.directory.shared.ldap.model.cursor.AbstractCursor<IndexEntry<V,ID>>
      org.apache.directory.server.xdbm.AbstractIndexCursor<V,org.apache.directory.shared.ldap.model.entry.Entry,ID>
          org.apache.directory.server.xdbm.search.impl.AndCursor<V,ID>

All Implemented Interfaces:

Iterable<IndexEntry<V,ID>>, IndexCursor<V,org.apache.directory.shared.ldap.model.entry.Entry,ID>, org.apache.directory.shared.ldap.model.cursor.Cursor<IndexEntry<V,ID>>

public class AndCursor<V,ID>
extends AbstractIndexCursor<V,org.apache.directory.shared.ldap.model.entry.Entry,ID>

A Cursor returning candidates satisfying a logical conjunction expression.

Author:

Apache Directory Project

Constructor Summary

AndCursor(IndexCursor<V,org.apache.directory.shared.ldap.model.entry.Entry,ID> wrapped, List<Evaluator<? extends org.apache.directory.shared.ldap.model.filter.ExprNode,org.apache.directory.shared.ldap.model.entry.Entry,ID>> evaluators)
Creates an instance of a AndCursor.

Method Summary

void	afterLast()
void	beforeFirst()
void	close()
boolean	first()
IndexEntry<V,ID>	get()
protected String	getUnsupportedMessage() Gets the message to return for operations that are not supported
boolean	last()
boolean	next()
boolean	previous()

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

after, afterValue, available, before, beforeValue, isAfterLast, isBeforeFirst, isFirst, isLast, iterator, setAvailable

Methods inherited from class org.apache.directory.shared.ldap.model.cursor.AbstractCursor

checkNotClosed, close, isClosed, setClosureMonitor

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.directory.shared.ldap.model.cursor.Cursor

close, isClosed, setClosureMonitor

Constructor Detail

AndCursor

public AndCursor(IndexCursor<V,org.apache.directory.shared.ldap.model.entry.Entry,ID> wrapped,
                 List<Evaluator<? extends org.apache.directory.shared.ldap.model.filter.ExprNode,org.apache.directory.shared.ldap.model.entry.Entry,ID>> evaluators)

Creates an instance of a AndCursor. It wraps an index cursor and the list of evaluators associated with all the elements connected by the And.

Parameters:

wrapped - The encapsulated IndexCursor

evaluators - The list of evaluators associated wth the elements

Method Detail

getUnsupportedMessage

protected String getUnsupportedMessage()

Gets the message to return for operations that are not supported

Specified by:

getUnsupportedMessage in class AbstractIndexCursor<V,org.apache.directory.shared.ldap.model.entry.Entry,ID>

Returns:

The Unsupported message

beforeFirst

public void beforeFirst()
                 throws Exception

Throws:

Exception

afterLast

public void afterLast()
               throws Exception

Throws:

Exception

first

public boolean first()
              throws Exception

Throws:

Exception

last

public boolean last()
             throws Exception

Throws:

Exception

previous

public boolean previous()
                 throws Exception

Throws:

Exception

next

public boolean next()
             throws Exception

Throws:

Exception

get

public IndexEntry<V,ID> get()
                     throws Exception

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.directory.shared.ldap.model.cursor.Cursor<IndexEntry<V,ID>>

Overrides:

close in class org.apache.directory.shared.ldap.model.cursor.AbstractCursor<IndexEntry<V,ID>>

Throws:

Exception