Github user dkuppitz commented on a diff in the pull request:
https://github.com/apache/incubator-tinkerpop/pull/282#discussion_r57650808
--- Diff:
hadoop-gremlin/src/main/java/org/apache/tinkerpop/gremlin/hadoop/process/computer/AbstractHadoopGraphComputer.java
---
@@ -195,4 +202,27 @@ public boolean supportsDirectObjects() {
return false;
}
}
+
+ //////////
+
+ public static File copyDirectoryIfNonExistent(final FileSystem
fileSystem, final String localDirectory) {
+ try {
+ final String hadoopGremlinLibsRemote = "hadoop-gremlin-" +
Gremlin.version() + "-libs";
+ File file = new File(localDirectory);
+ if ((Boolean.valueOf(System.getProperty("is.testing",
"false")) || !file.exists()) && fileSystem.exists(new Path(localDirectory)) &&
fileSystem.isDirectory(new Path(localDirectory))) {
+ final File tempDirectory = new
File(System.getProperty("java.io.tmpdir") + "/" + hadoopGremlinLibsRemote);
+ if (!tempDirectory.exists()) assert tempDirectory.mkdir();
--- End diff --
`mkdir()` should be `mkdirs()` since `java.io.dir` can be set by the user
and we shouldn't make assumptions about existing directory structures.
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