#!/bin/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.

# friendly message for those who forget to tell us what to do
if [ $# = 0 ]; then
  echo "Usage: giraph [-D<Hadoop property>] <jar containing vertex> <parameters to jar>"
  echo "At a minimum one must provide a path to the jar containing the vertex to be executed."
  exit 1
fi

# locate and run the giraph-env script to populate env vars, classpath, etc.
GIRAPH_ENV_DIR="$( cd -P "$( dirname "${BASH_SOURCE:-0}" )" && pwd )"
source $GIRAPH_ENV_DIR/giraph-env

exec "$HADOOP_HOME/bin/hadoop" --config $HADOOP_CONF_DIR jar $JAR $CLASS $HADOOP_PROPERTIES -libjars $GIRAPH_JARS  "$@"