| /*=============================================================================# |
| # Copyright (c) 2012, 2020 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.ltk.model.core.impl; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import org.eclipse.statet.jcommons.collections.ImCollections; |
| import org.eclipse.statet.jcommons.collections.ImList; |
| import org.eclipse.statet.jcommons.lang.NonNull; |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| import org.eclipse.statet.ltk.model.core.element.NameAccess; |
| import org.eclipse.statet.ltk.model.core.element.NameAccessSet; |
| |
| |
| @NonNullByDefault |
| public final class BasicNameAccessSet<TNameAccess extends NameAccess<?, TNameAccess>> |
| implements NameAccessSet<TNameAccess> { |
| |
| |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| private static final BasicNameAccessSet EMPTY_SET= new BasicNameAccessSet<>(Collections.EMPTY_MAP); |
| |
| @SuppressWarnings("unchecked") |
| public static final <TNameAccess extends NameAccess<?, TNameAccess>> BasicNameAccessSet<TNameAccess> emptySet() { |
| return EMPTY_SET; |
| } |
| |
| |
| private final ImList<String> labelsSorted; |
| |
| private final Map<String, NameAccessAccumulator<TNameAccess>> map; |
| |
| |
| public BasicNameAccessSet(final Map<String, NameAccessAccumulator<TNameAccess>> map) { |
| final String[] labelArray= new @NonNull String[map.size()]; |
| int i= 0; |
| for (final Map.Entry<String, NameAccessAccumulator<TNameAccess>> entry : map.entrySet()) { |
| labelArray[i++]= entry.getKey(); |
| entry.getValue().finish(); |
| } |
| Arrays.sort(labelArray); |
| |
| this.labelsSorted= ImCollections.newList(labelArray); |
| this.map= map; |
| } |
| |
| |
| @Override |
| public ImList<String> getNames() { |
| return this.labelsSorted; |
| } |
| |
| @Override |
| public @Nullable ImList<TNameAccess> getAllInUnit(final String label) { |
| final NameAccessAccumulator<TNameAccess> shared= this.map.get(label); |
| return (shared != null) ? (ImList<TNameAccess>)shared.getList() : null; |
| } |
| |
| } |