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Provides tools for building efficient, scalable local, remote or clustered file servers. It utilizes ActiveJ CSP for fast and reliable file transfer.

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/*
 * Copyright (C) 2020 ActiveJ LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.activej.fs;

import io.activej.bytebuf.ByteBuf;
import io.activej.csp.ChannelConsumer;
import io.activej.csp.ChannelSupplier;
import io.activej.promise.Promise;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.Map;
import java.util.Set;

/**
 * An implementation of {@link ActiveFs} that forwards all the calls to the underlying {@link ActiveFs}.
 * May be suitable for creating decorators that override certain behaviour of file system.
 * 
 * Inherits all the limitations of underlying {@link ActiveFs}
 */
public abstract class ForwardingActiveFs implements ActiveFs {
	private final ActiveFs peer;

	protected ForwardingActiveFs(ActiveFs peer) {
		this.peer = peer;
	}

	@Override
	public Promise> upload(@NotNull String name) {
		return peer.upload(name);
	}

	@Override
	public Promise> upload(@NotNull String name, long size) {
		return peer.upload(name, size);
	}

	@Override
	public Promise> append(@NotNull String name, long offset) {
		return peer.append(name, offset);
	}

	@Override
	public Promise> download(@NotNull String name, long offset, long limit) {
		return peer.download(name, offset, limit);
	}

	@Override
	public Promise> download(@NotNull String name) {
		return peer.download(name);
	}

	@Override
	public Promise delete(@NotNull String name) {
		return peer.delete(name);
	}

	@Override
	public Promise deleteAll(Set toDelete) {
		return peer.deleteAll(toDelete);
	}

	@Override
	public Promise copy(@NotNull String name, @NotNull String target) {
		return peer.copy(name, target);
	}

	@Override
	public Promise copyAll(Map sourceToTarget) {
		return peer.copyAll(sourceToTarget);
	}

	@Override
	public Promise move(@NotNull String name, @NotNull String target) {
		return peer.move(name, target);
	}

	@Override
	public Promise moveAll(Map sourceToTarget) {
		return peer.moveAll(sourceToTarget);
	}

	@Override
	public Promise> list(@NotNull String glob) {
		return peer.list(glob);
	}

	@Override
	public Promise<@Nullable FileMetadata> info(@NotNull String name) {
		return peer.info(name);
	}

	@Override
	public Promise> infoAll(@NotNull Set names) {
		return peer.infoAll(names);
	}

	@Override
	public Promise ping() {
		return peer.ping();
	}
}