io.axoniq.axonserver.connector.impl.Headers Maven / Gradle / Ivy

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/*
 * Copyright (c) 2020. AxonIQ
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.axoniq.axonserver.connector.impl;

import io.grpc.Metadata;

/**
 * Utility class containing header definitions.
 */
public abstract class Headers {

    /**
     * A {@link Metadata.Key} defining the context from within which a message will be send.
     */
    public static final Metadata.Key CONTEXT =
            Metadata.Key.of("AxonIQ-Context", Metadata.ASCII_STRING_MARSHALLER);

    /**
     * A {@link Metadata.Key} defining the access token from the application sending this message.
     */
    public static final Metadata.Key ACCESS_TOKEN =
            Metadata.Key.of("AxonIQ-Access-Token", Metadata.ASCII_STRING_MARSHALLER);

    private Headers() {
        // Utility class
    }
}