Removed unused org.omg.CORBA import. (#80)

* Removed unused org.omg.CORBA import.

* Added release.sh script and associated files for building the artifacts.

#79

.gitignore

@@ -0,0 +1,4 @@
+.DS_Store
+artifacts/
+**/target/
+pom.xml.versionsBackup

VERSION

@@ -0,0 +1 @@
+0

neptune-export/src/main/java/com/amazonaws/services/neptune/propertygraph/io/QueryTask.java

@@ -20,7 +20,6 @@
 import com.amazonaws.services.neptune.util.Timer;
 import com.github.rvesse.airline.annotations.restrictions.ranges.IntegerRange;
 import org.apache.tinkerpop.gremlin.driver.ResultSet;
-import org.omg.CORBA.INTERNAL;
 
 import java.io.IOException;
 import java.util.HashMap;

release.sh

@@ -0,0 +1,100 @@
+#!/bin/bash
+
+# Copyright 2020 Amazon.com, Inc. or its affiliates.
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License").
+# You may not use this file except in compliance with the License.
+# A copy of the License is located at
+#
+#    http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file.
+# This file 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.
+VERSION_FILE="VERSION"
+GIT_CMD=`which git`
+
+GIT_BRANCH=`${GIT_CMD} branch | grep \* | cut -d' ' -f2`
+
+if [ ! -f "$VERSION_FILE" ] ; then
+	echo "Version file not present. Please create and retry."
+	exit 1
+fi
+
+if [ "$GIT_BRANCH" != "mainline" ] ; then
+	echo "WARNING: Starting a release from a non-mainline branch."
+fi
+
+let NEW_VERSION=`cat $VERSION_FILE`+1
+VERSION_STRING="1.${NEW_VERSION}"
+echo $NEW_VERSION > $VERSION_FILE
+
+
+echo "Starting release for $VERSION_STRING"
+
+RELEASE_BRANCH="amazon-neptune-tools-$VERSION_STRING"
+
+
+echo "Creating new release branch:  $RELEASE_BRANCH"
+
+$GIT_CMD checkout -b $RELEASE_BRANCH
+
+#Utility script to build the jars to make a release.
+ARTIFACT_DIR=`pwd`/artifacts
+rm -rf $ARTIFACT_DIR
+mkdir -p $ARTIFACT_DIR
+MAVEN_ARTIFACTS="neo4j-to-neptune neptune-export neptune-gremlin-client"
+for artifact in $MAVEN_ARTIFACTS; do
+	pushd $artifact >& /dev/null
+	mvn versions:set -DnewVersion=${VERSION_STRING} versions:update-child-modules
+	mvn clean
+	mvn package
+	#All of the jars are shaded. Only take the shaded, bundled jars.
+	for jar in `find . -name "*.jar" -print | grep -vE "SNAPSHOT|original|\-$VERSION_STRING"`; do
+		cp $jar $ARTIFACT_DIR
+	done
+	popd >& /dev/null
+done
+
+#Also get the non-shaded gremlin-client jar
+cp "neptune-gremlin-client/gremlin-client/target/gremlin-client-$VERSION_STRING.jar" $ARTIFACT_DIR
+
+#Build the glue-neptune artifact
+pushd glue-neptune >& /dev/null
+./build.sh
+cp target/glue_neptune.zip $ARTIFACT_DIR
+popd >& /dev/null
+
+cp ./graphml2csv/graphml2csv.py $ARTIFACT_DIR
+
+#drop-graph needs to be installed as a module
+#cp ./drop-graph/drop-graph.py $ARTIFACT_DIR
+
+${GIT_CMD} commit -a -m "POM version updates for $RELEASE_BRANCH"
+
+echo "Creating Release Tag"
+
+${GIT_CMD} tag -a $RELEASE_BRANCH  -m "amazon-neptune-tools Release ${VERSION_STRING}"
+
+repo=origin
+
+echo "Pushing the release branch to $repo."
+${GIT_CMD} push "${repo}" refs/heads/${RELEASE_BRANCH}
+
+echo "Pushing the release tags to $repo."
+${GIT_CMD} push "${repo}" refs/tags/${RELEASE_BRANCH}
+
+#Update the VERSION on mainline
+
+${GIT_CMD} checkout mainline
+echo $NEW_VERSION > $VERSION_FILE
+${GIT_CMD} pull $repo mainline
+${GIT_CMD} commit -am "Incremented release version to `cat $VERSION_FILE`"
+${GIT_CMD} push $repo mainline
+
+#Return to the initial branch
+${GIT_CMD} checkout ${GIT_BRANCH}
+
+echo "To complete the release, upload the contents of artifacts/ to the ${RELEASE_BRANCH} tag on github: https://github.com/awslabs/amazon-neptune-tools/releases."