| /******************************************************************************* |
| * Copyright (c) 2018 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| *******************************************************************************/ |
| package org.eclipse.tracecompass.internal.provisional.tmf.core.model.filter.parser; |
| |
| import java.util.List; |
| |
| import org.antlr.runtime.tree.CommonTree; |
| import org.eclipse.jdt.annotation.Nullable; |
| |
| /** |
| * This implements a filter expression compilation unit negation |
| * |
| * @author Jean-Christian Kouame |
| * |
| */ |
| public class FilterExpressionNotCu extends FilterExpressionCu { |
| |
| /** |
| * Constructor |
| * |
| * @param elements |
| * The list of elements representing the logical expression |
| */ |
| public FilterExpressionNotCu(List<Object> elements) { |
| super(elements); |
| } |
| |
| public static @Nullable FilterExpressionNotCu compile(CommonTree treeNode) { |
| FilterExpressionCu cu = FilterExpressionCu.compile(treeNode); |
| if (cu == null) { |
| return null; |
| } |
| return new FilterExpressionNotCu(cu.getElement()); |
| } |
| |
| @Override |
| public FilterExpression generate() { |
| List<Object> queue = getElementsQueue(); |
| return new FilterExpressionNot(queue); |
| } |
| |
| @Override |
| protected boolean getNot() { |
| return true; |
| } |
| |
| } |