io.agora.rtm.Metadata Maven / Gradle / Ivy

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package io.agora.rtm;

import io.agora.rtm.MetadataItem;

public abstract class Metadata {
  /**
   * Set the major revision of metadata.
   *
   * @param revision The major revision of the metadata.
   */
  public abstract void setMajorRevision(long revision);

  /**
   * Get the major revision of metadata.
   *
   * @return the major revision of metadata.
   */
  public abstract long getMajorRevision();

  /**
   * Add or revise a metadataItem to current metadata.
   *
   * @param item The metadataItem.
   */
  public abstract void setMetadataItem(MetadataItem item);

  /**
   * Get the metadataItem array of current metadata.
   *
   * @return The metadataItem array.
   */
  public abstract MetadataItem[] getMetadataItems();

  /**
   * Clear the metadataItem array & reset major revision
   */
  public abstract void clearMetadata();
}