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IN NO EVENT SHALL THE COPYRIGHT\n+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n+ */\n+\n+package io.spine.server.command;\n+\n+import com.google.common.collect.Sets;\n+import com.google.errorprone.annotations.CanIgnoreReturnValue;\n+import io.spine.core.CommandClass;\n+import io.spine.core.CommandEnvelope;\n+import io.spine.server.commandbus.CommandBus;\n+import io.spine.server.event.EventBus;\n+\n+import java.util.Set;\n+\n+/**\n+ * The abstract base for classes that post one or more command in response to an incoming one.\n+ *\n+ * <p>Example of use case scenarios:\n+ * <ul>\n+ *     <li>Converting a command into another (e.g. because of command API changes).\n+ *     <li>Splitting a command which holds data for a bigger aggregate into several commands\n+ *     set to corresponding aggregate parts.\n+ * </ul>\n+ *\n+ * @author Alexander Yevsyukov\n+ */\n+public abstract class Commander extends AbstractCommandDispatcher {\n+\n+    private final CommandBus 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Issue found: [Perhaps 'commandBus' could be replaced by a local variable.](https://app.codacy.com/app/alex-tymchenko/core-java/pullRequest?prid=1930448)","created_at":"2018-07-21T23:56:34Z","updated_at":"2018-07-21T23:56:34Z","html_url":"https://github.com/SpineEventEngine/core-java/pull/772#discussion_r204224529","pull_request_url":"https://api.github.com/repos/SpineEventEngine/core-java/pulls/772","author_association":"NONE","_links":{"self":{"href":"https://api.github.com/repos/SpineEventEngine/core-java/pulls/comments/204224529"},"html":{"href":"https://github.com/SpineEventEngine/core-java/pull/772#discussion_r204224529"},"pull_request":{"href":"https://api.github.com/repos/SpineEventEngine/core-java/pulls/772"}}},"pull_request":{"url":"https://api.github.com/repos/SpineEventEngine/core-java/pulls/772","id":202939718,"node_id":"MDExOlB1bGxSZXF1ZXN0MjAyOTM5NzE4","html_url":"https://github.com/SpineEventEngine/core-java/pull/772","diff_url":"https://github.com/SpineEventEngine/core-java/pull/772.diff","patch_url":"https://github.com/SpineEventEngine/core-java/pull/772.patch","issue_url":"https://api.github.com/repos/SpineEventEngine/core-java/issues/772","number":772,"state":"open","locked":false,"title":"Commander 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