com.epam.deltix.qsrv.hf.tickdb.pub.StreamScope Maven / Gradle / Ivy

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Timebase API Library

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/*
 * Copyright 2024 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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 com.epam.deltix.qsrv.hf.tickdb.pub;

/**
 *  Determines the scope of a stream's durability, if any.
 */
public enum StreamScope {
    /**
     *  All messages are stored in TimeBase
     */
    DURABLE,

    /**
     * All messages are stored in external data file. 
     */
    EXTERNAL_FILE,

    /**
     *  The stream does not store data on disk, but its key and
     *  structure are durable.
     */
    TRANSIENT,

    /**
     *  The stream does not leave any permanent trace
     */
    RUNTIME
}