indexerComponentFactoryOption = parser
.acceptsAll(Lists.newArrayList("r", "indexer-component-factory"), "Indexer component factory class")
.withRequiredArg().ofType(String.class).describedAs("factoryclass")
.defaultsTo(DefaultIndexerComponentFactory.class.getName());
indexerConfOption = parser
.acceptsAll(Lists.newArrayList("c", "indexer-conf"), "Indexer configuration")
.withRequiredArg().ofType(String.class).describedAs("indexerconf.xml");
connectionParamOption = parser
.acceptsAll(Lists.newArrayList("cp", "connection-param"),