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/*
 * Copyright 2023 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.impl;

import com.epam.deltix.timebase.messages.IdentityKey;
import com.epam.deltix.qsrv.hf.pub.md.RecordClassSet;

/**
 *  Allows the remote layer to directly retrieve the RecordClassSet object
 *  from a TickStreamImpl.
 */
public interface FriendlyStream {

    public RecordClassSet       getMetaData ();

    public boolean              hasWriter(IdentityKey id);

    public void                 addInstrument(IdentityKey id);
}