/**
* Copyright (c) 2013, impossibl.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of impossibl.com nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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*/
package com.impossibl.postgres.system.tables;
import com.impossibl.postgres.system.UnsupportedServerVersion;
import com.impossibl.postgres.system.Version;
public class Tables {
/**
* Helper function for matching a SQL query with a version.
*
* @param sqlData An array of [Version, String] pairs to select from
* @param currentVersion The requested version of SQL to retrieve
* @return SQL text for the requested version
* @throws UnsupportedServerVersion if no match can be found
* @throws IllegalStateException if the sqlData pairs are ill formed
*/
public static String getSQL(Object[] sqlData, Version currentVersion) {
try {
for (int c = 0; c < sqlData.length; c += 2) {
Version curSqlVersion = (Version) sqlData[c];
String curSql = (String) sqlData[c + 1];
if (currentVersion.isMinimum(curSqlVersion))
return curSql;
}
}
catch (Exception e) {
throw new IllegalStateException("Misconfigured system table type ");
}
throw new UnsupportedServerVersion(currentVersion);
}
}