zhaoyim commented on a change in pull request #746: HBASE-23195
FSDataInputStreamWrapper unbuffer can NOT invoke the clas…
URL: https://github.com/apache/hbase/pull/746#discussion_r337596746
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.java
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@@ -247,6 +248,30 @@ public HFileSystem getHfs() {
return this.hfs;
}
+ /**
+ *
+ * @param clazz the class which need to check whether implements
+ * org.apache.hadoop.fs.CanUnbuffer
+ * @return is implements CanUnbuffer true: Yes, false: No
+ */
+ @VisibleForTesting
+ public boolean isImplementsCanUnbuffer(Class<?> clazz){
+ Class<?>[] interfaces = clazz.getInterfaces();
+ if (interfaces.length != 0) {
+ for (Class<?> clz : interfaces) {
+ if
(clz.getCanonicalName().toString().equals("org.apache.hadoop.fs.CanUnbuffer")) {
Review comment:
@jojochuang Thanks for the review! Try to do the modify tomorrow.
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