#!/usr/bin/env bash

# Copyright 2014 TappingStone, Inc.
#
# Licensed 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.

SCALA_VERSION=2.10

# Figure out where PredictionIO is installed
FWDIR="$(cd `dirname $0`/..; pwd)"

. $FWDIR/bin/load-pio-env.sh

# Build up classpath
CLASSPATH="$FWDIR/conf"

ASSEMBLY_DIR="$FWDIR/assembly"

if [ -n "$JAVA_HOME" ]; then
  JAR_CMD="$JAVA_HOME/bin/jar"
else
  JAR_CMD="jar"
fi

# Use pio-assembly JAR from either RELEASE or assembly directory
if [ -f "$FWDIR/RELEASE" ]; then
  assembly_folder="$FWDIR"/lib
else
  assembly_folder="$ASSEMBLY_DIR"
fi

ASSEMBLY_JAR=$(ls "$assembly_folder"/pio-assembly*.jar 2>/dev/null)

CLASSPATH="$CLASSPATH:$ASSEMBLY_JAR"

# Add hadoop conf dir if given -- otherwise FileSystem.*, etc fail ! Note, this
# assumes that there is either a HADOOP_CONF_DIR or YARN_CONF_DIR which hosts
# the configurtion files.
if [ -n "$HADOOP_CONF_DIR" ]; then
  CLASSPATH="$CLASSPATH:$HADOOP_CONF_DIR"
fi
if [ -n "$YARN_CONF_DIR" ]; then
  CLASSPATH="$CLASSPATH:$YARN_CONF_DIR"
fi
if [ -n "$HBASE_CONF_DIR" ]; then
  CLASSPATH="$CLASSPATH:$HBASE_CONF_DIR"
fi

echo "$CLASSPATH"