Java tutorial
/* * Copyright (C) 2011 Citrix Systems, Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.cloud.bridge.util; import java.io.Serializable; import java.math.BigDecimal; import java.math.BigInteger; import java.util.Calendar; import java.util.Date; import java.util.List; import java.util.Locale; import org.hibernate.Query; /** * @author Kelven Yang */ public class QueryHelper { public static void bindParameters(Query query, Object[] params) { int pos = 0; if (params != null && params.length > 0) { for (Object param : params) { if (param instanceof Byte) query.setByte(pos++, ((Byte) param).byteValue()); else if (param instanceof Short) query.setShort(pos++, ((Short) param).shortValue()); else if (param instanceof Integer) query.setInteger(pos++, ((Integer) param).intValue()); else if (param instanceof Long) query.setLong(pos++, ((Long) param).longValue()); else if (param instanceof Float) query.setFloat(pos++, ((Float) param).floatValue()); else if (param instanceof Double) query.setDouble(pos++, ((Double) param).doubleValue()); else if (param instanceof Boolean) query.setBoolean(pos++, ((Boolean) param).booleanValue()); else if (param instanceof Character) query.setCharacter(pos++, ((Character) param).charValue()); else if (param instanceof Date) query.setDate(pos++, (Date) param); else if (param instanceof Calendar) query.setCalendar(pos++, (Calendar) param); else if (param instanceof CalendarDateParam) query.setCalendarDate(pos++, ((CalendarDateParam) param).dateValue()); else if (param instanceof TimestampParam) query.setTimestamp(pos++, ((TimestampParam) param).timestampValue()); else if (param instanceof TimeParam) query.setTime(pos++, ((TimeParam) param).timeValue()); else if (param instanceof String) query.setString(pos++, (String) param); else if (param instanceof TextParam) query.setText(pos++, ((TextParam) param).textValue()); else if (param instanceof byte[]) query.setBinary(pos++, (byte[]) param); else if (param instanceof BigDecimal) query.setBigDecimal(pos++, (BigDecimal) param); else if (param instanceof BigInteger) query.setBigInteger(pos++, (BigInteger) param); else if (param instanceof Locale) query.setLocale(pos++, (Locale) param); else if (param instanceof EntityParam) query.setEntity(pos++, ((EntityParam) param).entityValue()); else if (param instanceof Serializable) query.setSerializable(pos++, (Serializable) param); else query.setEntity(pos++, param); } } } public static <T> List<T> executeQuery(Query query) { return (List<T>) query.list(); } }