org.drools.conf.CompositeKeyDepthOption Maven / Gradle / Ivy
/**
* Copyright 2010 JBoss Inc
*
* Licensed 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
*
* http://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.drools.conf;
/**
* A class for the composite key depth configuration.
*
* @author etirelli
*/
public class CompositeKeyDepthOption implements SingleValueKnowledgeBaseOption {
private static final long serialVersionUID = 510l;
/**
* The property name for the default DIALECT
*/
public static final String PROPERTY_NAME = "drools.compositeKeyDepth";
/**
* dialect name
*/
private final int depth;
/**
* Private constructor to enforce the use of the factory method
* @param depth
*/
private CompositeKeyDepthOption( int depth ) {
this.depth = depth;
}
/**
* This is a factory method for this CompositeKeyDepth configuration.
* The factory method is a best practice for the case where the
* actual object construction is changed in the future.
*
* @param depth the composite key depth value
*
* @return the actual type safe CompositeKeyDepth configuration.
*/
public static CompositeKeyDepthOption get( int depth ) {
return new CompositeKeyDepthOption( depth );
}
/**
* {@inheritDoc}
*/
public String getPropertyName() {
return PROPERTY_NAME;
}
/**
* Returns the depth value for composite key indexing
*
* @return
*/
public int getDepth() {
return depth;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + depth;
return result;
}
@Override
public boolean equals(Object obj) {
if ( this == obj ) return true;
if ( obj == null ) return false;
if ( getClass() != obj.getClass() ) return false;
CompositeKeyDepthOption other = (CompositeKeyDepthOption) obj;
if ( depth != other.depth ) return false;
return true;
}
}