com.cloud.bridge.util.QueryHelper.java Source code

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/*
 * 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();
    }
}