org.eclipse.ditto.connectivity.service.messaging.mappingoutcome.ErrorOutcome Maven / Gradle / Ivy

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Eclipse Ditto is a framework for creating and managing digital twins in the IoT.

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/*
 * Copyright (c) 2020 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 */
package org.eclipse.ditto.connectivity.service.messaging.mappingoutcome;

import javax.annotation.Nullable;

import org.eclipse.ditto.connectivity.api.ExternalMessage;
import org.eclipse.ditto.protocol.TopicPath;

// private to MappingOutcome. Do NOT use directly.
final class ErrorOutcome implements MappingOutcome {

    private final CharSequence mapperId;
    private final Exception error;
    @Nullable private final TopicPath topicPath;
    @Nullable private final ExternalMessage externalMessage;

    ErrorOutcome(final CharSequence mapperId, final Exception error, @Nullable final TopicPath topicPath,
            @Nullable final ExternalMessage externalMessage) {
        this.mapperId = mapperId;
        this.error = error;
        this.topicPath = topicPath;
        this.externalMessage = externalMessage;
    }

    @Override
    public  R accept(final Visitor visitor) {
        return visitor.onError(String.valueOf(mapperId), error, topicPath, externalMessage);
    }

    @Override
    public boolean wasSuccessfullyMapped() {
        return false;
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() +
                "[mapperId=" + mapperId +
                ",error=" + error +
                ",topicPath=" + topicPath +
                ",externalMessage=" + externalMessage +
                "]";
    }

}