Mercurial > hg > release > thermostat-1.0
view storage/core/src/main/java/com/redhat/thermostat/storage/core/PreparedParameters.java @ 1412:a0592d702416
Update copyright year in release branch.
reviewed-by: neugens
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-June/009965.html
PR1821
author | Jon VanAlten <jon.vanalten@redhat.com> |
---|---|
date | Tue, 03 Jun 2014 11:55:56 -0600 |
parents | a4c836ada099 |
children |
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/* * Copyright 2012-2014 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.core; import java.lang.reflect.Modifier; import java.util.Objects; import com.redhat.thermostat.storage.model.Pojo; /** * * Shared class for setting prepared parameters. * */ public final class PreparedParameters implements PreparedStatementSetter { private PreparedParameter[] params; public PreparedParameters(int numParams) { params = new PreparedParameter[numParams]; } @SuppressWarnings("unused") private PreparedParameters() { // nothing. Exists for serialization purposes. } @Override public void setLong(int paramIndex, long paramValue) { setType(paramIndex, paramValue, long.class); } @Override public void setLongList(int paramIndex, long[] paramValue) { setType(paramIndex, paramValue, long[].class); } @Override public void setInt(int paramIndex, int paramValue) { setType(paramIndex, paramValue, int.class); } @Override public void setIntList(int paramIndex, int[] paramValue) { setType(paramIndex, paramValue, int[].class); } @Override public void setBoolean(int paramIndex, boolean paramValue) { setType(paramIndex, paramValue, boolean.class); } @Override public void setBooleanList(int paramIndex, boolean[] paramValue) { setType(paramIndex, paramValue, boolean[].class); } @Override public void setString(int paramIndex, String paramValue) { setType(paramIndex, paramValue, String.class); } @Override public void setStringList(int paramIndex, String[] paramValue) { setType(paramIndex, paramValue, String[].class); } @Override public void setDouble(int paramIndex, double paramValue) { setType(paramIndex, paramValue, double.class); } @Override public void setDoubleList(int paramIndex, double[] paramValue) { setType(paramIndex, paramValue, double[].class); } @Override public void setPojo(int paramIndex, Pojo paramValue) { // null Pojo value would make array and non-array types // indistinguishable for serialization Objects.requireNonNull(paramValue); Class<?> runtimeType = paramValue.getClass(); performPojoChecks(runtimeType, "Type"); setType(paramIndex, paramValue, runtimeType); } @Override public void setPojoList(int paramIndex, Pojo[] paramValue) { // null Pojo value would make array and non-array types // indistinguishable for serialization Objects.requireNonNull(paramValue); Class<?> componentType = paramValue.getClass().getComponentType(); performPojoChecks(componentType, "Component type"); setType(paramIndex, paramValue, componentType); } private void performPojoChecks(Class<?> type, String errorMsgPrefix) { if (type.isInterface() || Modifier.isAbstract(type.getModifiers())) { // Due to serealization we only allow concrete instantiable types. // Instantiation would fail later in ThermostatGSONConverter for this // reason anyway. Let's do this check early. throw new IllegalArgumentException(errorMsgPrefix + "'" + type.getName() + "' not instantiable!"); } } private void setType(int paramIndex, Object paramValue, Class<?> paramType) { if (paramIndex >= params.length) { throw new IllegalArgumentException("Parameter index '" + paramIndex + "' out of range."); } PreparedParameter param = new PreparedParameter(paramValue, paramType); params[paramIndex] = param; } public PreparedParameter[] getParams() { return params; } }