| 1 | package com.hammurapi.extract; |
| 2 | |
| 3 | import java.util.Collections; |
| 4 | import java.util.Set; |
| 5 | import java.util.TreeSet; |
| 6 | import java.util.concurrent.TimeUnit; |
| 7 | |
| 8 | /** |
| 9 | * Base class for extractors. |
| 10 | * @author Pavel Vlasov |
| 11 | * |
| 12 | * @param <T> |
| 13 | * @param <V> |
| 14 | * @param <C> |
| 15 | */ |
| 16 | public abstract class AbstractExtractor<T, V, C> extends ExtractorBase<T, V, C> { |
| 17 | |
| 18 | private Set<Integer> parameterIndices; |
| 19 | private boolean contextDependent; |
| 20 | |
| 21 | public AbstractExtractor(double initialCost, TimeUnit costUnit, boolean contextDependent, int... parameterIndices) { |
| 22 | super(initialCost, costUnit); |
| 23 | Set<Integer> pi = new TreeSet<Integer>(); |
| 24 | for (int idx:parameterIndices) { |
| 25 | pi.add(idx); |
| 26 | } |
| 27 | this.parameterIndices=Collections.unmodifiableSet(pi); |
| 28 | this.contextDependent=contextDependent; |
| 29 | } |
| 30 | |
| 31 | @Override |
| 32 | public Set<Integer> parameterIndices() { |
| 33 | return parameterIndices; |
| 34 | } |
| 35 | |
| 36 | @Override |
| 37 | public boolean isContextDependent() { |
| 38 | return contextDependent; |
| 39 | } |
| 40 | |
| 41 | } |