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+#Class tensorflow::EnvWrapper
+
+An implementation of Env that forwards all calls to another Env .
+
+May be useful to clients who wish to override just part of the functionality of another Env .
+
+##Member Summary
+
+* [tensorflow::EnvWrapper::EnvWrapper](#tensorflow_EnvWrapper_EnvWrapper)
+  * Initializes an EnvWrapper that delegates all calls to *t.
+* [virtual tensorflow::EnvWrapper::~EnvWrapper](#virtual_tensorflow_EnvWrapper_EnvWrapper)
+* [Env* tensorflow::EnvWrapper::target](#Env_tensorflow_EnvWrapper_target)
+  * Returns the target to which this Env forwards all calls.
+* [Status tensorflow::EnvWrapper::NewRandomAccessFile](#Status_tensorflow_EnvWrapper_NewRandomAccessFile)
+  * Creates a brand new random access read-only file with the specified name.
+* [Status tensorflow::EnvWrapper::NewWritableFile](#Status_tensorflow_EnvWrapper_NewWritableFile)
+  * Creates an object that writes to a new file with the specified name.
+* [Status tensorflow::EnvWrapper::NewAppendableFile](#Status_tensorflow_EnvWrapper_NewAppendableFile)
+  * Creates an object that either appends to an existing file, or writes to a new file (if the file does not exist to begin with).
+* [bool tensorflow::EnvWrapper::FileExists](#bool_tensorflow_EnvWrapper_FileExists)
+  * Returns true iff the named file exists.
+* [Status tensorflow::EnvWrapper::GetChildren](#Status_tensorflow_EnvWrapper_GetChildren)
+  * Stores in *result the names of the children of the specified directory. The names are relative to "dir".
+* [Status tensorflow::EnvWrapper::DeleteFile](#Status_tensorflow_EnvWrapper_DeleteFile)
+  * Deletes the named file.
+* [Status tensorflow::EnvWrapper::CreateDir](#Status_tensorflow_EnvWrapper_CreateDir)
+  * Creates the specified directory.
+* [Status tensorflow::EnvWrapper::DeleteDir](#Status_tensorflow_EnvWrapper_DeleteDir)
+  * Deletes the specified directory.
+* [Status tensorflow::EnvWrapper::GetFileSize](#Status_tensorflow_EnvWrapper_GetFileSize)
+  * Stores the size of fname in *file_size.
+* [Status tensorflow::EnvWrapper::RenameFile](#Status_tensorflow_EnvWrapper_RenameFile)
+  * Renames file src to target. If target already exists, it will be replaced.
+* [uint64 tensorflow::EnvWrapper::NowMicros](#uint64_tensorflow_EnvWrapper_NowMicros)
+  * Returns the number of micro-seconds since some fixed point in time. Only useful for computing deltas of time.
+* [void tensorflow::EnvWrapper::SleepForMicroseconds](#void_tensorflow_EnvWrapper_SleepForMicroseconds)
+  * Sleeps/delays the thread for the prescribed number of micro-seconds.
+* [Thread* tensorflow::EnvWrapper::StartThread](#Thread_tensorflow_EnvWrapper_StartThread)
+  * Returns a new thread that is running fn() and is identified (for debugging/performance-analysis) by "name".
+
+##Member Details
+
+#### tensorflow::EnvWrapper::EnvWrapper(Env *t) {#tensorflow_EnvWrapper_EnvWrapper}
+
+Initializes an EnvWrapper that delegates all calls to *t.
+
+
+
+#### virtual tensorflow::EnvWrapper::~EnvWrapper() {#virtual_tensorflow_EnvWrapper_EnvWrapper}
+
+
+
+
+
+#### Env* tensorflow::EnvWrapper::target() const {#Env_tensorflow_EnvWrapper_target}
+
+Returns the target to which this Env forwards all calls.
+
+
+
+#### Status tensorflow::EnvWrapper::NewRandomAccessFile(const string &f, RandomAccessFile **r) override {#Status_tensorflow_EnvWrapper_NewRandomAccessFile}
+
+Creates a brand new random access read-only file with the specified name.
+
+On success, stores a pointer to the new file in *result and returns OK. On failure stores NULL in *result and returns non-OK. If the file does not exist, returns a non-OK status.
+
+The returned file may be concurrently accessed by multiple threads.
+
+#### Status tensorflow::EnvWrapper::NewWritableFile(const string &f, WritableFile **r) override {#Status_tensorflow_EnvWrapper_NewWritableFile}
+
+Creates an object that writes to a new file with the specified name.
+
+Deletes any existing file with the same name and creates a new file. On success, stores a pointer to the new file in *result and returns OK. On failure stores NULL in *result and returns non-OK.
+
+The returned file will only be accessed by one thread at a time.
+
+#### Status tensorflow::EnvWrapper::NewAppendableFile(const string &f, WritableFile **r) override {#Status_tensorflow_EnvWrapper_NewAppendableFile}
+
+Creates an object that either appends to an existing file, or writes to a new file (if the file does not exist to begin with).
+
+On success, stores a pointer to the new file in *result and returns OK. On failure stores NULL in *result and returns non-OK.
+
+The returned file will only be accessed by one thread at a time.
+
+#### bool tensorflow::EnvWrapper::FileExists(const string &f) override {#bool_tensorflow_EnvWrapper_FileExists}
+
+Returns true iff the named file exists.
+
+
+
+#### Status tensorflow::EnvWrapper::GetChildren(const string &dir, std::vector< string > *r) override {#Status_tensorflow_EnvWrapper_GetChildren}
+
+Stores in *result the names of the children of the specified directory. The names are relative to "dir".
+
+Original contents of *results are dropped.
+
+#### Status tensorflow::EnvWrapper::DeleteFile(const string &f) override {#Status_tensorflow_EnvWrapper_DeleteFile}
+
+Deletes the named file.
+
+
+
+#### Status tensorflow::EnvWrapper::CreateDir(const string &d) override {#Status_tensorflow_EnvWrapper_CreateDir}
+
+Creates the specified directory.
+
+
+
+#### Status tensorflow::EnvWrapper::DeleteDir(const string &d) override {#Status_tensorflow_EnvWrapper_DeleteDir}
+
+Deletes the specified directory.
+
+
+
+#### Status tensorflow::EnvWrapper::GetFileSize(const string &f, uint64 *s) override {#Status_tensorflow_EnvWrapper_GetFileSize}
+
+Stores the size of fname in *file_size.
+
+
+
+#### Status tensorflow::EnvWrapper::RenameFile(const string &s, const string &t) override {#Status_tensorflow_EnvWrapper_RenameFile}
+
+Renames file src to target. If target already exists, it will be replaced.
+
+
+
+#### uint64 tensorflow::EnvWrapper::NowMicros() override {#uint64_tensorflow_EnvWrapper_NowMicros}
+
+Returns the number of micro-seconds since some fixed point in time. Only useful for computing deltas of time.
+
+
+
+#### void tensorflow::EnvWrapper::SleepForMicroseconds(int micros) override {#void_tensorflow_EnvWrapper_SleepForMicroseconds}
+
+Sleeps/delays the thread for the prescribed number of micro-seconds.
+
+
+
+#### Thread* tensorflow::EnvWrapper::StartThread(const ThreadOptions &thread_options, const string &name, std::function< void()> fn) override {#Thread_tensorflow_EnvWrapper_StartThread}
+
+Returns a new thread that is running fn() and is identified (for debugging/performance-analysis) by "name".
+
+Caller takes ownership of the result and must delete it eventually (the deletion will block until fn() stops running).