| /*=============================================================================# |
| # Copyright (c) 2014, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ecommons.workbench.search.ui; |
| |
| import java.util.Comparator; |
| |
| import org.eclipse.search.ui.text.Match; |
| |
| import org.eclipse.statet.ecommons.collections.CategoryElementComparator; |
| |
| |
| public final class ElementMatchComparator<E, M extends Match> extends CategoryElementComparator<E, M> { |
| |
| |
| private final E[] elements0; |
| private final Comparator<? super E> elementComparator; |
| private final M[] matches0; |
| private final Comparator<? super M> matchComparator; |
| |
| |
| public ElementMatchComparator( |
| final E[] elements0, final Comparator<? super E> elementComparator, |
| final M[] matches0, final Comparator<? super M> matchComparator) { |
| if (elements0 == null) { |
| throw new NullPointerException("elements0"); //$NON-NLS-1$ |
| } |
| if (elementComparator == null && !Comparable.class.isAssignableFrom(elements0.getClass().getComponentType())) { |
| throw new NullPointerException("elementComparator"); //$NON-NLS-1$ |
| } |
| if (matches0 == null) { |
| throw new NullPointerException("matches0"); //$NON-NLS-1$ |
| } |
| if (matchComparator == null && !Comparable.class.isAssignableFrom(matches0.getClass().getComponentType())) { |
| throw new NullPointerException("matchComparator"); //$NON-NLS-1$ |
| } |
| |
| this.elements0= elements0; |
| this.elementComparator= elementComparator; |
| this.matches0= matches0; |
| this.matchComparator= matchComparator; |
| } |
| |
| |
| public E[] getElement0() { |
| return this.elements0; |
| } |
| |
| public Comparator<? super E> getElementComparator() { |
| return this.elementComparator; |
| } |
| |
| public M[] getMatch0() { |
| return this.matches0; |
| } |
| |
| public Comparator<? super M> getMatchComparator() { |
| return this.matchComparator; |
| } |
| |
| |
| @Override |
| public E getCategory(final M element) { |
| return (E) element.getElement(); |
| } |
| |
| @Override |
| public int compareElement(final M element1, final M element2) { |
| return (this.matchComparator != null) ? |
| this.matchComparator.compare(element1, element2) : |
| ((Comparable<? super M>) element1).compareTo(element2); |
| } |
| |
| @Override |
| public int compareCategory(final E category1, final E category2) { |
| return (this.elementComparator != null) ? |
| this.elementComparator.compare(category1, category2) : |
| ((Comparable<? super E>) category1).compareTo(category2); |
| } |
| |
| } |