Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/3741#discussion_r114503248
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/environment/StreamExecutionEnvironment.java
---
@@ -1776,8 +1787,45 @@ public static void setDefaultLocalParallelism(int
parallelism) {
protected static void
initializeContextEnvironment(StreamExecutionEnvironmentFactory ctx) {
contextEnvironmentFactory = ctx;
}
-
+
protected static void resetContextEnvironment() {
contextEnvironmentFactory = null;
}
+
+ /**
+ * Registers a file at the distributed cache under the given name. The
file will be accessible
+ * from any user-defined function in the (distributed) runtime under a
local path. Files
+ * may be local files (as long as all relevant workers have access to
it), or files in a distributed file system.
+ * The runtime will copy the files temporarily to a local cache, if
needed.
+ * <p>
+ * The {@link org.apache.flink.api.common.functions.RuntimeContext} can
be obtained inside UDFs via
+ * {@link
org.apache.flink.api.common.functions.RichFunction#getRuntimeContext()} and
provides access
+ * {@link org.apache.flink.api.common.cache.DistributedCache} via
+ * {@link
org.apache.flink.api.common.functions.RuntimeContext#getDistributedCache()}.
+ *
+ * @param filePath The path of the file, as a URI (e.g.
"file:///some/path" or "hdfs://host:port/and/path")
+ * @param name The name under which the file is registered.
+ */
+ public void registerCachedFile(String filePath, String name){
+ registerCachedFile(filePath, name, false);
+ }
+
+ /**
+ * Registers a file at the distributed cache under the given name. The
file will be accessible
+ * from any user-defined function in the (distributed) runtime under a
local path. Files
+ * may be local files (as long as all relevant workers have access to
it), or files in a distributed file system.
+ * The runtime will copy the files temporarily to a local cache, if
needed.
+ * <p>
+ * The {@link org.apache.flink.api.common.functions.RuntimeContext} can
be obtained inside UDFs via
+ * {@link
org.apache.flink.api.common.functions.RichFunction#getRuntimeContext()} and
provides access
+ * {@link org.apache.flink.api.common.cache.DistributedCache} via
+ * {@link
org.apache.flink.api.common.functions.RuntimeContext#getDistributedCache()}.
+ *
+ * @param filePath The path of the file, as a URI (e.g.
"file:///some/path" or "hdfs://host:port/and/path")
+ * @param name The name under which the file is registered.
+ * @param executable flag indicating whether the file should be
executable
+ */
+ public void registerCachedFile(String filePath, String name, boolean
executable){
--- End diff --
missing space before `}`.
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