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core/src/main/java/org/incendo/disruptor/DisruptionConfigBuilder.java
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// | ||
// MIT License | ||
// | ||
// Copyright (c) 2024 Incendo | ||
// | ||
// Permission is hereby granted, free of charge, to any person obtaining a copy | ||
// of this software and associated documentation files (the "Software"), to deal | ||
// in the Software without restriction, including without limitation the rights | ||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
// copies of the Software, and to permit persons to whom the Software is | ||
// furnished to do so, subject to the following conditions: | ||
// | ||
// The above copyright notice and this permission notice shall be included in all | ||
// copies or substantial portions of the Software. | ||
// | ||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
// SOFTWARE. | ||
// | ||
package org.incendo.disruptor; | ||
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import java.time.Duration; | ||
import java.util.ArrayList; | ||
import java.util.Arrays; | ||
import java.util.List; | ||
import java.util.Objects; | ||
import java.util.function.Function; | ||
import org.apiguardian.api.API; | ||
import org.incendo.disruptor.disruption.Disruption; | ||
import org.incendo.disruptor.trigger.DisruptionTrigger; | ||
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@API(status = API.Status.STABLE, since = "1.0.0") | ||
public final class DisruptionConfigBuilder { | ||
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private final List<Disruption> disruptions = new ArrayList<>(); | ||
private DisruptionTrigger trigger = DisruptionTrigger.never(); | ||
private DisruptionMode mode = DisruptionMode.BEFORE; | ||
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DisruptionConfigBuilder() { | ||
} | ||
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/** | ||
* Sets the trigger. | ||
* | ||
* @param trigger new trigger | ||
* @return {@code this} | ||
*/ | ||
public DisruptionConfigBuilder trigger(final DisruptionTrigger trigger) { | ||
this.trigger = Objects.requireNonNull(trigger, "trigger"); | ||
return this; | ||
} | ||
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/** | ||
* Adds the given {@code disruptions}. | ||
* | ||
* @param disruptions disruptions to add | ||
* @return {@code this} | ||
*/ | ||
public DisruptionConfigBuilder disruptions(final Disruption... disruptions) { | ||
Objects.requireNonNull(disruptions, "disruptions"); | ||
for (final Disruption disruption : disruptions) { | ||
Objects.requireNonNull(disruption, "disruption"); | ||
} | ||
this.disruptions.addAll(Arrays.asList(disruptions)); | ||
return this; | ||
} | ||
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/** | ||
* Adds the given {@code disruptions}. | ||
* | ||
* @param disruptions disruptions to add | ||
* @return {@code this} | ||
*/ | ||
public DisruptionConfigBuilder disruptions(final List<Disruption> disruptions) { | ||
Objects.requireNonNull(disruptions, "disruptions"); | ||
for (final Disruption disruption : disruptions) { | ||
Objects.requireNonNull(disruption, "disruption"); | ||
} | ||
this.disruptions.addAll(disruptions); | ||
return this; | ||
} | ||
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/** | ||
* Adds a {@link Disruption#delaying(Duration)} disruption. | ||
* | ||
* @param duration duration to delay for | ||
* @return {@code this} | ||
*/ | ||
public DisruptionConfigBuilder delay(final Duration duration) { | ||
return this.disruptions(Disruption.delaying(duration)); | ||
} | ||
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/** | ||
* Adds a {@link Disruption#throwing(Function)} disruption. | ||
* | ||
* @param generator throwable generator | ||
* @return {@code this} | ||
*/ | ||
public DisruptionConfigBuilder throwException(final Function<DisruptorContext, Throwable> generator) { | ||
return this.disruptions(Disruption.throwing(generator)); | ||
} | ||
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/** | ||
* Sets the disruption mode to the given {@code mode}. | ||
* | ||
* @param mode new mode | ||
* @return {@code this} | ||
*/ | ||
public DisruptionConfigBuilder mode(final DisruptionMode mode) { | ||
this.mode = Objects.requireNonNull(mode, "mode"); | ||
return this; | ||
} | ||
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/** | ||
* Build a new {@link DisruptionConfig} instance using {@code this} builder. | ||
* | ||
* @return the config instance | ||
*/ | ||
public DisruptionConfig build() { | ||
return new DisruptionConfigImpl(this.trigger, List.copyOf(this.disruptions), this.mode); | ||
} | ||
} |
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