Mercurial > hg > release > thermostat-1.6
view storage/core/src/main/java/com/redhat/thermostat/storage/internal/statement/Node.java @ 2049:a92d602216ad
Update copyright license headers for 2017
PR3290
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-January/021974.html
author | Andrew Azores <aazores@redhat.com> |
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date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | 31f274ab27a5 |
children |
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/* * Copyright 2012-2017 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat 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, or (at your * option) any later version. * * Thermostat 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 Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.storage.internal.statement; import java.util.Objects; import com.redhat.thermostat.storage.core.IllegalPatchException; import com.redhat.thermostat.storage.core.PreparedParameter; /** * A basic node in the prepared statement parse tree. * */ class Node implements Printable, Patchable { private Node parent; private Object value; Node(Node parent) { this.parent = parent; } public Object getValue() { return value; } public void setValue(Object value) { this.value = value; } public Node getParent() { return parent; } public void setParent(Node parent) { this.parent = parent; } @Override public void print(int level) { for (int i = 0; i < level; i++) { System.out.print("-"); } System.out.print(getValue()); System.out.println(""); if (value instanceof Node) { Node node = (Node)value; node.print(level + 1); } } @Override public PatchedWhereExpression patch(PreparedParameter[] params) throws IllegalPatchException { if (getValue() == null || !(getValue() instanceof Node) ) { String msg = Node.class.getSimpleName() + " invalid when attempted to patch"; IllegalStateException cause = new IllegalStateException(msg); throw new IllegalPatchException(cause); } Node node = (Node)getValue(); return node.patch(params); } @Override public boolean equals(Object other) { if (other == null) { return false; } if (!(other instanceof Node)) { return false; } Node o = (Node)other; return Objects.equals(getValue(), o.getValue()); } @Override public int hashCode() { return Objects.hash(getValue()); } @Override public String toString() { return "Node: " + getValue(); } }