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/*
* Copyright 2016 Axibase Corporation or its affiliates. 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.
* A copy of the License is located at
*
* https://www.axibase.com/atsd/axibase-apache-2.0.pdf
*
* or in the "license" file accompanying this file. This file 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.axibase.tsd.driver.jdbc.strategies;
import org.apache.commons.lang3.StringUtils;
import com.axibase.tsd.driver.jdbc.content.StatementContext;
import com.axibase.tsd.driver.jdbc.intf.IStoreStrategy;
import com.axibase.tsd.driver.jdbc.logging.LoggingFacade;
import com.axibase.tsd.driver.jdbc.strategies.storage.FileStoreStrategy;
import com.axibase.tsd.driver.jdbc.strategies.stream.KeepAliveStrategy;
public class StrategyFactory {
private static final LoggingFacade logger = LoggingFacade.getLogger(StrategyFactory.class);
public static final String STREAM_STRATEGY = "stream";
public static final String FILE_STRATEGY = "file";
public static T create(Class type, StatementContext context) {
try {
return type.getDeclaredConstructor(StatementContext.class).newInstance(context);
} catch (final IllegalArgumentException | ReflectiveOperationException | SecurityException e) {
if (logger.isErrorEnabled())
logger.error("Cannot get a store instance from the factory: " + e.getMessage());
}
return null;
}
public static Class extends IStoreStrategy> findClassByName(final String name) {
if (StringUtils.isEmpty(name)) {
return KeepAliveStrategy.class;
}
switch (name) {
case FILE_STRATEGY:
return FileStoreStrategy.class;
case STREAM_STRATEGY:
default:
return KeepAliveStrategy.class;
}
}
}
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