org.semanticweb.elk.reasoner.tracing.AbstractTracingInference Maven / Gradle / Ivy
package org.semanticweb.elk.reasoner.tracing;
import java.util.AbstractList;
import java.util.List;
/*
* #%L
* ELK Reasoner
* $Id:$
* $HeadURL:$
* %%
* Copyright (C) 2011 - 2016 Department of Computer Science, University of Oxford
* %%
* 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.
* #L%
*/
/**
* A skeleton implementation of {@link TracingInference}
*
* @author Yevgeny Kazakov
*
*/
public abstract class AbstractTracingInference implements TracingInference {
private final static Conclusion.Factory CONCLUSION_FACTORY_ = ConclusionBaseFactory
.getInstance();
private final TracingInference.Visitor CONCLUSION_GETTER_ = new TracingInferenceConclusionGetter(
CONCLUSION_FACTORY_);
public abstract int getPremiseCount();
public abstract Conclusion getPremise(int index,
Conclusion.Factory factory);
protected static T failGetPremise(int index) {
throw new IndexOutOfBoundsException("No premise with index: " + index);
}
protected void checkPremiseIndex(int index) {
if (index < 0 || index >= getPremiseCount()) {
failGetPremise(index);
}
}
@Override
public String getName() {
return getClass().getName();
}
@Override
public final Conclusion getConclusion() {
return accept(CONCLUSION_GETTER_);
}
@Override
public final List getPremises() {
return new AbstractList() {
@Override
public Conclusion get(int index) {
return getPremise(index, CONCLUSION_FACTORY_);
}
@Override
public int size() {
return getPremiseCount();
}
};
}
@Override
public String toString() {
return TracingInferencePrinter.toString(this);
}
}