runzhiwang commented on a change in pull request #298:
URL: https://github.com/apache/incubator-ratis/pull/298#discussion_r533932418
##########
File path:
ratis-examples/src/main/java/org/apache/ratis/examples/filestore/FileStore.java
##########
@@ -219,4 +225,67 @@ public void close() {
reader.shutdownNow();
deleter.shutdownNow();
}
+
+ CompletableFuture<StreamWriteReplyProto> streamCommit(String p, long
bytesWritten) {
+ return CompletableFuture.supplyAsync(() -> {
+ final Path full = buildFullPath(p);
+ try {
+ RandomAccessFile file = new RandomAccessFile(full.toFile(), "r");
+ long len = file.length();
+ return StreamWriteReplyProto.newBuilder().setIsSuccess(len ==
bytesWritten).setByteWritten(len).build();
+ } catch (FileNotFoundException e) {
+ throw new CompletionException("Failed to find " + p, e);
+ } catch (IOException e) {
+ throw new CompletionException("Failed to get length of " + p, e);
+ }
+ });
+ }
+
+ public CompletableFuture<FileStoreDataChannel> createDataChannel(String p) {
+ return CompletableFuture.supplyAsync(() -> {
+ final Path full = buildFullPath(p);
+ try {
+ return new FileStoreDataChannel(new RandomAccessFile(full.toFile(),
"rw"));
+ } catch (IOException e) {
+ throw new CompletionException("Failed to create " + p, e);
+ }
+ }, writer);
+ }
+
+ private Path buildFullPath(String relative) {
Review comment:
looks duplicated with this two methods.
```
static Path normalize(String path) {
Objects.requireNonNull(path, "path == null");
return Paths.get(path).normalize();
}
Path resolve(Path relative) throws IOException {
final Path root = getRoot();
final Path full = root.resolve(relative).normalize().toAbsolutePath();
if (full.equals(root)) {
throw new IOException("The file path " + relative + " resolved to " +
full
+ " is the root directory " + root);
} else if (!full.startsWith(root)) {
throw new IOException("The file path " + relative + " resolved to " +
full
+ " is not a sub-path under root directory " + root);
}
return full;
}
```
##########
File path:
ratis-examples/src/main/java/org/apache/ratis/examples/filestore/FileStore.java
##########
@@ -219,4 +225,67 @@ public void close() {
reader.shutdownNow();
deleter.shutdownNow();
}
+
+ CompletableFuture<StreamWriteReplyProto> streamCommit(String p, long
bytesWritten) {
+ return CompletableFuture.supplyAsync(() -> {
+ final Path full = buildFullPath(p);
+ try {
+ RandomAccessFile file = new RandomAccessFile(full.toFile(), "r");
+ long len = file.length();
+ return StreamWriteReplyProto.newBuilder().setIsSuccess(len ==
bytesWritten).setByteWritten(len).build();
+ } catch (FileNotFoundException e) {
+ throw new CompletionException("Failed to find " + p, e);
+ } catch (IOException e) {
+ throw new CompletionException("Failed to get length of " + p, e);
+ }
+ });
+ }
+
+ public CompletableFuture<FileStoreDataChannel> createDataChannel(String p) {
+ return CompletableFuture.supplyAsync(() -> {
+ final Path full = buildFullPath(p);
+ try {
+ return new FileStoreDataChannel(new RandomAccessFile(full.toFile(),
"rw"));
+ } catch (IOException e) {
+ throw new CompletionException("Failed to create " + p, e);
+ }
+ }, writer);
+ }
+
+ private Path buildFullPath(String relative) {
Review comment:
seems duplicated with this two methods.
```
static Path normalize(String path) {
Objects.requireNonNull(path, "path == null");
return Paths.get(path).normalize();
}
Path resolve(Path relative) throws IOException {
final Path root = getRoot();
final Path full = root.resolve(relative).normalize().toAbsolutePath();
if (full.equals(root)) {
throw new IOException("The file path " + relative + " resolved to " +
full
+ " is the root directory " + root);
} else if (!full.startsWith(root)) {
throw new IOException("The file path " + relative + " resolved to " +
full
+ " is not a sub-path under root directory " + root);
}
return full;
}
```
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