| #!/usr/bin/env bash |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| # |
| |
| # resolve links - $0 may be a softlink |
| PRG="${0}" |
| |
| while [ -h "${PRG}" ]; do |
| ls=`ls -ld "${PRG}"` |
| link=`expr "$ls" : '.*-> \(.*\)$'` |
| if expr "$link" : '/.*' > /dev/null; then |
| PRG="$link" |
| else |
| PRG=`dirname "${PRG}"`/"$link" |
| fi |
| done |
| |
| BASEDIR=`dirname ${PRG}` |
| BASEDIR=`cd ${BASEDIR}/..;pwd` |
| . ${BASEDIR}/bin/lens-config.sh 'client' |
| |
| JAVA_PROPERTIES="$LENS_OPTS $LENS_PROPERTIES -Dlens.log.dir=$LENS_LOG_DIR -Dlens.home=${LENS_HOME_DIR} -Dconfig.location=$LENS_CONF" |
| |
| ################################ |
| # constants |
| ################################ |
| |
| CLIENT_METASTORE_CLASS="org.apache.lens.examples.SampleMetastore" |
| CLIENT_POPULATE_CLASS="org.apache.lens.examples.PopulateSampleMetastore" |
| CLIENT_QUERY_CLASS="org.apache.lens.examples.SampleQueries" |
| |
| ################################ |
| # functions |
| ################################ |
| |
| info() { |
| local msg=$1 |
| |
| echo "Info: $msg" >&2 |
| } |
| |
| warn() { |
| local msg=$1 |
| |
| echo "Warning: $msg" >&2 |
| } |
| |
| error() { |
| local msg=$1 |
| local exit_code=$2 |
| |
| echo "Error: $msg" >&2 |
| |
| if [ -n "$exit_code" ] ; then |
| exit $exit_code |
| fi |
| } |
| |
| |
| display_help() { |
| cat <<EOF |
| Usage: $0 sample-metastore [-db dbname] --conf <confdir> |
| $0 populate-metastore [-db dbname] --conf <confdir> |
| $0 runqueries [-db dbname] --conf <confdir> |
| EOF |
| } |
| |
| run_client() { |
| local CLIENT_APPLICATION_CLASS |
| |
| if [ "$#" -gt 0 ]; then |
| CLIENT_APPLICATION_CLASS=$1 |
| shift |
| else |
| error "Must specify client application class" 1 |
| fi |
| exec ${JAVA_BIN} ${JAVA_PROPERTIES} -cp ${LENSCPPATH} \ |
| "$CLIENT_APPLICATION_CLASS" $* |
| } |
| |
| ################################ |
| # main |
| ################################ |
| |
| opt_conf="" |
| |
| mode=$1 |
| shift |
| |
| case "$mode" in |
| help) |
| display_help |
| exit 0 |
| ;; |
| sample-metastore) |
| opt_meta=1 |
| ;; |
| populate-metastore) |
| opt_populate=1 |
| ;; |
| runqueries) |
| opt_query=1 |
| ;; |
| *) |
| error "Unknown or unspecified command '$mode'" |
| echo |
| display_help |
| exit 1 |
| ;; |
| esac |
| |
| while [ -n "$*" ] ; do |
| arg=$1 |
| shift |
| |
| case "$arg" in |
| --conf|-c) |
| [ -n "$1" ] || error "Option --conf requires an argument" 1 |
| opt_conf=$1 |
| shift |
| ;; |
| --classpath|-C) |
| [ -n "$1" ] || error "Option --classpath requires an argument" 1 |
| LENSCPPATH=$1 |
| shift |
| ;; |
| -D*) |
| JAVA_PROPERTIES="${JAVA_PROPERTIES} $arg" |
| ;; |
| *) |
| args="$args $arg" |
| ;; |
| esac |
| done |
| |
| |
| |
| # prepend conf dir to classpath |
| if [ -n "$opt_conf" ]; then |
| LENSCPPATH="$opt_conf:$LENSCPPATH" |
| fi |
| |
| # prepend resources dir to classpath |
| LENSCPPATH="${LENS_HOME_DIR}/examples/resources:${LENS_HOME_DIR}/examples/queries:$LENSCPPATH" |
| |
| # finally, invoke the appropriate command |
| if [ -n "$opt_meta" ] ; then |
| run_client $CLIENT_METASTORE_CLASS $args |
| elif [ -n "$opt_populate" ] ; then |
| run_client $CLIENT_POPULATE_CLASS $args |
| elif [ -n "$opt_query" ] ; then |
| run_client $CLIENT_QUERY_CLASS $args |
| else |
| error "This message should never appear" 1 |
| fi |
| exit 0 |