kaisun2000 commented on a change in pull request #1108:
URL: https://github.com/apache/helix/pull/1108#discussion_r445208758
##########
File path:
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/PropertyStoreAccessor.java
##########
@@ -158,4 +187,59 @@ public Response
deletePropertyByPath(@PathParam("clusterId") String clusterId,
}
return OK();
}
+
+ private byte[] readPropertyStoreBytes(String recordPath) {
+ BaseDataAccessor<byte[]> propertyStoreDataAccessor =
getByteArrayDataAccessor();
+
+ // If znode does not exist, bytes is null. But content of an existing
znode could be null.
+ // We use stat ctime to check if znode exists or not. ctime == 0L means
znode does not exist.
+ Stat stat = new Stat();
+ byte[] bytes = propertyStoreDataAccessor.get(recordPath, stat,
AccessOption.PERSISTENT);
+ if (stat.getCtime() == 0L) {
+ throw new
WebApplicationException(Response.status(Response.Status.NOT_FOUND)
+ .entity(String.format("The property store path %s doesn't exist",
recordPath)).build());
+ }
+
+ return bytes;
+ }
+
+ private Response decompressBytes(byte[] bytes, String recordPath, String
compression) {
+ byte[] decompressedBytes;
+ try {
+ switch (compression) {
+ case ZLIB_COMPRESSION:
+ case DEFLATER_COMPRESSION:
+ decompressedBytes = ZLibCompressionUtil.decompress(bytes);
+ break;
+ case GZIP_COMPRESSION:
+ decompressedBytes = GZipCompressionUtil.uncompress(new
ByteArrayInputStream(bytes));
+ break;
+ default:
+ LOG.info("{} compression method is not supported.", compression);
Review comment:
LOG.ERROR()?
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