@@ -0,0 +1,2166 @@
+/*%0A * Copyright 2018, TeamDev. All rights reserved.%0A *%0A * Redistribution and use in source and/or binary forms, with or without%0A * modification, must retain the above copyright notice and the following%0A * disclaimer.%0A *%0A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS%0A * %22AS IS%22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT%0A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR%0A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT%0A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,%0A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT%0A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,%0A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY%0A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT%0A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE%0A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.%0A */%0A%0Apackage io.spine.server.commandbus;%0A%0Aimport com.google.common.base.Optional;%0Aimport io.spine.core.Ack;%0Aimport io.spine.core.Command;%0Aimport io.spine.core.CommandEnvelope;%0Aimport io.spine.server.bus.BusFilter;%0Aimport io.spine.system.server.ReceiveCommand;%0Aimport io.spine.system.server.SystemGateway;%0A%0A/**%0A * @author Dmytro Dashenkov%0A */%0Afinal class CommandReceivedFilter implements BusFilter%3CCommandEnvelope%3E %7B%0A%0A    private final SystemGateway systemGateway;%0A%0A    CommandReceivedFilter(SystemGateway gateway) %7B%0A        systemGateway = gateway;%0A    %7D%0A%0A    @Override%0A    public Optional%3CAck%3E accept(CommandEnvelope envelope) %7B%0A        ReceiveCommand systemCommand = systemCommand(envelope.getCommand());%0A        systemGateway.postCommand(systemCommand);%0A        return Optional.absent();%0A    %7D%0A%0A    private static ReceiveCommand systemCommand(Command domainCommand) %7B%0A        ReceiveCommand result = ReceiveCommand%0A                .newBuilder()%0A                .setId(domainCommand.getId())%0A                .setPayload(domainCommand)%0A                .build();%0A        return result;%0A    %7D%0A%0A    @Override%0A    public void close() %7B%0A        // NoOp.%0A    %7D%0A%7D%0A

Introduce `CommandReceived` bus filter.