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CQRS In Kotlin

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package com.clouway.kcqrs.testing

import com.clouway.kcqrs.core.Event
import com.clouway.kcqrs.core.EventPublisher
import com.clouway.kcqrs.core.PublishErrorException

/**
 * @author Miroslav Genov ([email protected])
 */
class InMemoryEventPublisher : EventPublisher {
    var events = mutableListOf()
    var nextPublishFailsWithError = false

    override fun publish(events: Iterable) {
        if (nextPublishFailsWithError) {
            nextPublishFailsWithError = false
            throw PublishErrorException()
        }

        this.events.addAll(events)
    }

    fun cleanUp() {
        events = mutableListOf()
    }

    fun pretendThatNextPublishWillFail() {
        nextPublishFailsWithError = true
    }

}