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The core ELK Reasoner package
/*
* #%L
* ELK Reasoner
*
* $Id$
* $HeadURL$
* %%
* Copyright (C) 2011 - 2012 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%
*/
package org.semanticweb.elk.reasoner.saturation;
import java.util.AbstractCollection;
import java.util.Collection;
import java.util.Iterator;
import org.semanticweb.elk.reasoner.BatchListener;
import org.semanticweb.elk.reasoner.ProgressMonitor;
import org.semanticweb.elk.reasoner.ReasonerComputationWithInputs;
import org.semanticweb.elk.reasoner.indexing.model.IndexedContextRoot;
import org.semanticweb.elk.reasoner.saturation.rules.factories.RuleApplicationFactory;
import org.semanticweb.elk.reasoner.saturation.rules.factories.RuleApplicationInput;
import org.semanticweb.elk.util.concurrent.computation.ConcurrentExecutor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A {@link ReasonerComputationWithInputs} that computes saturation for the
* input collection of {@link IndexedContextRoot}s
*
* @author Yevgeny Kazakov
* @param
* the types of {@link IndexedContextRoot}s managed by this
* computation
*
*/
public class ClassExpressionSaturation
extends
ReasonerComputationWithInputs, ClassExpressionSaturationFactory>> {
// logger for this class
private static final Logger LOGGER_ = LoggerFactory
.getLogger(ClassExpressionSaturation.class);
/*
* Takes inputs and uses the default rule application factory and a dummy
* listener runs without batches
*/
public ClassExpressionSaturation(Collection inputs,
ConcurrentExecutor executor, int maxWorkers,
ProgressMonitor progressMonitor,
RuleApplicationFactory ruleAppFactory) {
this(inputs, executor, maxWorkers, progressMonitor, ruleAppFactory,
new DummyClassExpressionSaturationListener>());
}
/*
* Takes inputs and uses the default rule application factory and a dummy
* listener, runs in batches
*/
public ClassExpressionSaturation(Collection inputs,
ConcurrentExecutor executor, int maxWorkers,
ProgressMonitor progressMonitor,
RuleApplicationFactory ruleAppFactory,
int batchSize, BatchListener batchListener) {
this(inputs, executor, maxWorkers, progressMonitor, ruleAppFactory,
batchSize, batchListener,
new DummyClassExpressionSaturationListener>());
}
/*
* Takes inputs and uses the default rule application factory, runs without batches
*/
public ClassExpressionSaturation(Collection inputs,
ConcurrentExecutor executor, int maxWorkers,
ProgressMonitor progressMonitor,
RuleApplicationFactory ruleAppFactory,
ClassExpressionSaturationListener> listener) {
super(new TodoJobs(inputs),
new ClassExpressionSaturationFactory>(
ruleAppFactory, maxWorkers, listener),
executor, maxWorkers, progressMonitor);
}
/*
* Takes inputs and uses the default rule application factory, runs in batches
*/
public ClassExpressionSaturation(Collection inputs,
ConcurrentExecutor executor, int maxWorkers,
ProgressMonitor progressMonitor,
RuleApplicationFactory ruleAppFactory,
int batchSize, BatchListener batchListener,
ClassExpressionSaturationListener> listener) {
super(new TodoJobs(inputs),
new ClassExpressionSaturationFactory>(
ruleAppFactory, maxWorkers, listener),
executor, maxWorkers, progressMonitor, batchSize,
batchListener);
}
/**
* Print statistics about the saturation computation
*/
public void printStatistics() {
processorFactory.printStatistics();
}
public SaturationStatistics getRuleAndConclusionStatistics() {
return processorFactory.getRuleAndConclusionStatistics();
}
/**
* Dynamic collection view for saturation checking jobs that correspond to
* the given input of {@link IndexedContextRoot}s.
*
* @author "Yevgeny Kazakov"
*
*/
private static class TodoJobs extends
AbstractCollection> {
private final Collection inputs;
TodoJobs(Collection inputs) {
this.inputs = inputs;
}
@Override
public int size() {
return inputs.size();
}
@Override
public Iterator> iterator() {
return new Iterator>() {
final Iterator inputsIterator = inputs.iterator();
@Override
public boolean hasNext() {
return inputsIterator.hasNext();
}
@Override
public SaturationJob next() {
SaturationJob job = new SaturationJob(
inputsIterator.next());
LOGGER_.trace("{}: saturation submitted", job.getInput());
return job;
}
@Override
public void remove() {
inputsIterator.remove();
}
};
}
}
}