hadoop-yetus commented on a change in pull request #597: HDFS-3246: pRead
equivalent for direct read path
URL: https://github.com/apache/hadoop/pull/597#discussion_r271119198
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File path:
hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfs/hdfs.c
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@@ -985,6 +1011,49 @@ int hdfsStreamBuilderSetDefaultBlockSize(struct
hdfsStreamBuilder *bld,
return 0;
}
+static int hdfsHasStreamCapability(jobject jFile,
+ const char *capability) {
+ int ret = 0;
+ jthrowable jthr = NULL;
+ jvalue jVal;
+ jstring jCapabilityString = NULL;
+
+ /* Get the JNIEnv* corresponding to current thread */
+ JNIEnv* env = getJNIEnv();
+ if (env == NULL) {
+ errno = EINTERNAL;
+ return 0;
+ }
+
+ jthr = newJavaStr(env, capability, &jCapabilityString);
+ if (jthr) {
+ ret = printExceptionAndFree(env, jthr, PRINT_EXC_ALL,
+ "hdfsHasStreamCapability(%s): newJavaStr", capability);
+ goto done;
+ }
+ jthr = invokeMethod(env, &jVal, INSTANCE, jFile,
+ JC_FS_DATA_INPUT_STREAM, "hasCapability", "(Ljava/lang/String;)Z",
+ jCapabilityString);
Review comment:
whitespace:tabs in line
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