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Merge pull request #1353 from SpineEventEngine/fix-empty-dispatching-…
…delivery Fix empty dispatching delivery
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75 changes: 75 additions & 0 deletions
75
server/src/test/java/io/spine/server/aggregate/given/thermometer/SafeThermometer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * Copyright 2021, TeamDev. All rights reserved. | ||
| * | ||
| * 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 | ||
| * | ||
| * Redistribution and use in source and/or binary forms, with or without | ||
| * modification, must retain the above copyright notice and the following | ||
| * disclaimer. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
| package io.spine.server.aggregate.given.thermometer; | ||
|
|
||
| import io.spine.core.External; | ||
| import io.spine.server.aggregate.Aggregate; | ||
| import io.spine.server.aggregate.Apply; | ||
| import io.spine.server.aggregate.given.thermometer.event.TemperatureChanged; | ||
| import io.spine.server.aggregate.given.thermometer.event.TermTemperatureChanged; | ||
| import io.spine.server.event.React; | ||
|
|
||
| import java.util.Optional; | ||
|
|
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| /** | ||
| * Ignores temperature changes outside its own range. | ||
| */ | ||
| public final class SafeThermometer extends Aggregate<ThermometerId, Thermometer, Thermometer.Builder> { | ||
|
|
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| private static final double MIN = 0; | ||
| private static final double MAX = 120; | ||
|
|
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| @React | ||
| Optional<TermTemperatureChanged> on(@External TemperatureChanged e) { | ||
| double temperature = e.getFahrenheit(); | ||
| if (!withinBounds(temperature)) { | ||
| return Optional.empty(); | ||
| } | ||
| return Optional.of( | ||
| TermTemperatureChanged | ||
| .newBuilder() | ||
| .setThermometer(id()) | ||
| .setChange( | ||
| TemperatureChange | ||
| .newBuilder() | ||
| .setNewValue(temperature) | ||
| .setPreviousValue(state().getFahrenheit()) | ||
| ) | ||
| .vBuild() | ||
| ); | ||
| } | ||
|
|
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| private static boolean withinBounds(double temperature) { | ||
| return temperature > MIN && temperature < MAX; | ||
| } | ||
|
|
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| @Apply | ||
| private void on(TermTemperatureChanged e) { | ||
| builder().setFahrenheit(e.getChange() | ||
| .getNewValue()); | ||
| } | ||
| } |
53 changes: 53 additions & 0 deletions
53
server/src/test/java/io/spine/server/aggregate/given/thermometer/SafeThermometerRepo.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| /* | ||
| * Copyright 2021, TeamDev. All rights reserved. | ||
| * | ||
| * 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 | ||
| * | ||
| * Redistribution and use in source and/or binary forms, with or without | ||
| * modification, must retain the above copyright notice and the following | ||
| * disclaimer. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
| package io.spine.server.aggregate.given.thermometer; | ||
|
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| import io.spine.server.aggregate.AggregateRepository; | ||
| import io.spine.server.aggregate.given.thermometer.event.TemperatureChanged; | ||
| import io.spine.server.route.EventRouting; | ||
|
|
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| import static io.spine.util.Preconditions2.checkNotDefaultArg; | ||
|
|
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| /** | ||
| * A {@link SafeThermometer thermometer} repository. | ||
| */ | ||
| public final class SafeThermometerRepo extends AggregateRepository<ThermometerId, SafeThermometer> { | ||
|
|
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| private final ThermometerId thermometer; | ||
|
|
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| /** | ||
| * Creates a new repository for the {@code thermometer}. | ||
| */ | ||
| public SafeThermometerRepo(ThermometerId thermometer) { | ||
| this.thermometer = checkNotDefaultArg(thermometer); | ||
| } | ||
|
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| @Override | ||
| protected void setupEventRouting(EventRouting<ThermometerId> routing) { | ||
| routing.unicast(TemperatureChanged.class, (e) -> thermometer); | ||
| } | ||
| } |
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