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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.api.ldap.aci.protectedItem;
import java.util.Collections;
import java.util.Iterator;
import java.util.Set;
import org.apache.directory.api.ldap.aci.ProtectedItem;
/**
* Restricts the maximum number of attribute values allowed for a specified
* attribute type. It is examined if the protected item is an attribute
* value of the specified type and the permission sought is add. Values of
* that attribute in the entry are counted without regard to context or
* access control and as though the operation which adds the values were
* successful. If the number of values in the attribute exceeds maxCount,
* the ACI item is treated as not granting add access.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class MaxValueCountItem extends ProtectedItem
{
/** The set of elements to protect */
private final Set<MaxValueCountElem> items;
/**
* Creates a new instance.
*
* @param items the collection of {@link MaxValueCountElem}s.
*/
public MaxValueCountItem( Set<MaxValueCountElem> items )
{
this.items = Collections.unmodifiableSet( items );
}
/**
* Gets an iterator of all {@link MaxValueCountElem}s.
*
* @return an iterator of all {@link MaxValueCountElem}s
*/
public Iterator<MaxValueCountElem> iterator()
{
return items.iterator();
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode()
{
int hash = 37;
if ( items != null )
{
for ( MaxValueCountElem item : items )
{
if ( item != null )
{
hash = hash * 17 + item.hashCode();
}
else
{
hash = hash * 17 + 37;
}
}
}
return hash;
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals( Object o )
{
if ( this == o )
{
return true;
}
if ( o instanceof MaxValueCountItem )
{
MaxValueCountItem that = ( MaxValueCountItem ) o;
return items.equals( that.items );
}
return false;
}
/**
* {@inheritDoc}
*/
@Override
public String toString()
{
StringBuilder buf = new StringBuilder();
buf.append( "maxValueCount {" );
boolean isFirst = true;
if ( items != null )
{
for ( MaxValueCountElem item : items )
{
if ( isFirst )
{
isFirst = false;
}
else
{
buf.append( ", " );
}
buf.append( item.toString() );
}
}
buf.append( "}" );
return buf.toString();
}
}