this.database = CatalogUtil.getDatabase(this.catalog);
this.hosts = this.cluster.getHosts();
this.sites = this.cluster.getSites();
if (this.jarPath != null) {
this.catalogClassLoader = new JarClassLoader(this.jarPath.getAbsolutePath());
this.paramMappings = ParametersUtil.getParameterMappingsSetFromJar(this.database, this.jarPath);
} else {
this.catalogClassLoader = null;
this.paramMappings = null;
}