org.ldp4j.application.data.IndividualFinder Maven / Gradle / Ivy
/**
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* This file is part of the LDP4j Project:
* http://www.ldp4j.org/
*
* Center for Open Middleware
* http://www.centeropenmiddleware.com/
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* Copyright (C) 2014-2016 Center for Open Middleware.
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* 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.
* #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
* Artifact : org.ldp4j.framework:ldp4j-application-api:0.2.1
* Bundle : ldp4j-application-api-0.2.1.jar
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*/
package org.ldp4j.application.data;
import java.io.Serializable;
final class IndividualFinder implements IndividualVisitor {
private final DataSet dataSet;
private Individual found=null;
IndividualFinder(DataSet dataSet) {
this.dataSet = dataSet;
}
@SuppressWarnings("unchecked")
// TODO: fully generify when Vistor is generic
Individual findOrCreate(Individual individual) {
individual.accept(this);
return (Individual)this.found;
}
@Override
public void visitManagedIndividual(ManagedIndividual individual) {
this.found=this.dataSet.individual(individual.id(),ManagedIndividual.class);
}
@Override
public void visitLocalIndividual(LocalIndividual individual) {
this.found=this.dataSet.individual(individual.id(),LocalIndividual.class);
}
@Override
public void visitExternalIndividual(ExternalIndividual individual) {
this.found=this.dataSet.individual(individual.id(),ExternalIndividual.class);
}
@Override
public void visitRelativeIndividual(RelativeIndividual individual) {
this.found=this.dataSet.individual(individual.id(),RelativeIndividual.class);
}
@Override
public void visitNewIndividual(NewIndividual individual) {
this.found=this.dataSet.individual(individual.id(),NewIndividual.class);
}
}