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Natural language processing toolbox using Sigma knowledge engineering system.
/*
* Copyright 2014-2015 IPsoft
*
* Author: Andrei Holub [email protected]
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
package semRewrite.substitutor;
import semRewrite.substitutor.ClauseSubstitutor;
import semRewrite.substitutor.CoreLabelSequence;
import com.google.common.collect.Lists;
import edu.stanford.nlp.ling.CoreLabel;
import java.util.List;
import java.util.Optional;
import static semRewrite.substitutor.CoreLabelSequence.EMPTY_SEQUENCE;
/** **************************************************************
* This substitutor helps to group set of other substitutors together.
* All the search/contains calls will return success results if any of united substitutor can do that.
*/
public class SubstitutorsUnion implements semRewrite.substitutor.ClauseSubstitutor {
final List substitutors;
public SubstitutorsUnion(List substitutors) {
this.substitutors = substitutors;
}
/** ***************************************************************
*/
public String toString() {
return substitutors.toString();
}
/** ***************************************************************
*/
public static semRewrite.substitutor.ClauseSubstitutor of(ClauseSubstitutor... substitutors) {
semRewrite.substitutor.SubstitutorsUnion combinator = new semRewrite.substitutor.SubstitutorsUnion(
Lists.newArrayList(substitutors)
);
return combinator;
}
/** ***************************************************************
*/
@Override
public boolean containsKey(CoreLabel key) {
return substitutors.stream()
.anyMatch(substitutor -> substitutor.containsKey(key));
}
/** ***************************************************************
*/
@Override
public boolean containsKey(String keyLabel) {
return substitutors.stream()
.anyMatch(substitutor -> substitutor.containsKey(keyLabel));
}
/** ***************************************************************
*/
@Override
public Optional getGroupedByFirstLabel(CoreLabel label) {
return substitutors.stream()
.map(substitutor -> substitutor.getGroupedByFirstLabel(label))
.filter(seq -> seq.isPresent())
.findFirst()
.orElse(Optional.empty());
}
/** ***************************************************************
*/
@Override
public CoreLabelSequence getGrouped(CoreLabel key) {
return substitutors.stream()
.filter(substitutor -> substitutor.containsKey(key))
.map(substitutor -> substitutor.getGrouped(key))
.findFirst()
.orElse(EMPTY_SEQUENCE);
}
/** ***************************************************************
*/
@Override
public CoreLabelSequence getGrouped(String keyLabel) {
return substitutors.stream()
.filter(substitutor -> substitutor.containsKey(keyLabel))
.map(substitutor -> substitutor.getGrouped(keyLabel))
.findFirst()
.orElse(EMPTY_SEQUENCE);
}
}