#!/bin/bash
#
#    Run the MultiLangDaemon using the DynamoDB streams adapter, using the properties file
#    supplied as the single argument to this script.  The directory containing the
#    properties file is added to the classpath, and it is referenced by filename.  The
#    directory containing this script is appended to PATH.
#
#    The "./ddb_jars" directory relative to this script should have been populated by
#    $0/download.sh.
#
#    The streamName value in the supplied properties value should be the ARN of a DynamoDB
#    stream.
#
set -euo pipefail

if [ ! -r "${1:-}" ]; then
    echo "usage: $0 file.properties" >&2
    exit 1
fi

R="$(dirname $0)"
JAVA="${JAVA:-${JAVA_HOME:-/usr}/bin/java}"

CLASS=com.amazonaws.services.dynamodbv2.streamsadapter.StreamsMultiLangDaemon

export PATH="$PATH:$R"

"$JAVA" -cp "$R/ddb_jars/*":"$(dirname $1)" $CLASS "$(basename $1)"