PrologRunnable.java
/*-
* #%L
* prolobjectlink-jpi
* %%
* Copyright (C) 2020 - 2021 Prolobjectlink Project
* %%
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* #L%
*/
package io.github.prolobjectlink.prolog;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;
import java.util.concurrent.RunnableFuture;
import java.util.logging.Level;
import java.util.logging.Logger;
class PrologRunnable extends FutureTask<List<List<Object>>> implements RunnableFuture<List<List<Object>>> {
private final PrologCallable callable;
PrologRunnable(PrologCallable callable) {
super(callable);
this.callable = callable;
}
PrologRunnable(PrologProvider provider, PrologTerm... goals) {
this(new PrologCallable(provider, goals));
}
public PrologProvider getProvider() {
return callable.getProvider();
}
public List<List<Object>> get() throws InterruptedException, ExecutionException {
List<List<Object>> list = new ArrayList<List<Object>>();
try {
list = callable.call();
} catch (Exception e) {
Logger.getLogger(Prolog.class.getName()).log(Level.FINEST, null, e);
}
return list;
}
}