public static ClassLoader getClassLoader(IMetadataConnection metadataConnection) {
ClassLoader loader = null;
if (metadataConnection != null) {
String clusterId =
(String)
metadataConnection.getParameter(ConnParameterKeys.CONN_PARA_KEY_HADOOP_CLUSTER_ID);
String distribution =
(String)
metadataConnection.getParameter(ConnParameterKeys.CONN_PARA_KEY_HBASE_DISTRIBUTION);
if (EHBaseDistributions.CUSTOM.getName().equals(distribution)) {
return getCustomClassLoader(metadataConnection);
}
String version =
(String) metadataConnection.getParameter(ConnParameterKeys.CONN_PARA_KEY_HBASE_VERSION);
if (StringUtils.isNotEmpty(distribution) && StringUtils.isNotEmpty(version)) {
boolean useKrb =
Boolean.valueOf(
(String) metadataConnection.getParameter(ConnParameterKeys.CONN_PARA_KEY_USE_KRB));
loader =
HadoopClassLoaderFactory2.getHBaseClassLoader(clusterId, distribution, version, useKrb);
}
}
if (loader == null) {
loader = HBaseClassLoaderFactory.class.getClassLoader();
}
return loader;
}
private static ClassLoader getCustomClassLoader(IMetadataConnection metadataConnection) {
String hcId = metadataConnection.getId();
String index = "HadoopCustomVersion:HBase:" + hcId; // $NON-NLS-1$
return HadoopClassLoaderFactory2.getHadoopCustomClassLoader(
index, metadataConnection.getParameter(ConnParameterKeys.CONN_PARA_KEY_HADOOP_CUSTOM_JARS));
}