/*******************************************************************************
*
* Pentaho Big Data
*
* Copyright (C) 2002-2013 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* 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 org.pentaho.hadoop.shim.common;
import org.apache.hadoop.io.compress.SnappyCodec;
public class SnappyShimImpl extends CommonSnappyShim {
/**
* Tests whether hadoop-snappy (not to be confused with other java-based snappy implementations such as jsnappy or
* snappy-java) plus the native snappy libraries are available.
*
* @return true if hadoop-snappy is available on the classpath
*/
public boolean isHadoopSnappyAvailable() {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader( getClass().getClassLoader() );
try {
return SnappyCodec.isNativeCodeLoaded();
} catch ( Throwable t ) {
return false;
} finally {
Thread.currentThread().setContextClassLoader( cl );
}
}
}