How to use

hasDefaultSequence

method

in

org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform

/**
 * Get default sequence
 */
public Sequence getDefaultSequence() {
  if (!hasDefaultSequence()) {
    setDefaultSequence(createPlatformDefaultSequence());
  }
  return defaultSequence;
}

/**
 * Get default sequence
 */
@Override
public Sequence getDefaultSequence() {
  if (!hasDefaultSequence()) {
    setDefaultSequence(createPlatformDefaultSequence());
  }
  return defaultSequence;
}

/**
 * Get default sequence
 */
public Sequence getDefaultSequence() {
  if (!hasDefaultSequence()) {
    setDefaultSequence(createPlatformDefaultSequence());
  }
  return defaultSequence;
}

/**
 * INTERNAL:
 * Indicates whether defaultSequence is the same as platform default sequence.
 */
@Override
public boolean usesPlatformDefaultSequence() {
  if (!hasDefaultSequence()) {
    return true;
  } else {
    return getDefaultSequence().equals(createPlatformDefaultSequence());
  }
}

/**
 * INTERNAL:
 * Indicates whether defaultSequence is the same as platform default sequence.
 */
public boolean usesPlatformDefaultSequence() {
  if (!hasDefaultSequence()) {
    return true;
  } else {
    return getDefaultSequence().equals(createPlatformDefaultSequence());
  }
}
 

/**
 * INTERNAL:
 * Indicates whether defaultSequence is the same as platform default sequence.
 */
public boolean usesPlatformDefaultSequence() {
  if (!hasDefaultSequence()) {
    return true;
  } else {
    return getDefaultSequence().equals(createPlatformDefaultSequence());
  }
}
 

protected void sequencesAfterCloneCleanup() {
  Sequence defaultSequenceClone = null;
  if (hasDefaultSequence()) {
    defaultSequenceClone = (Sequence)getDefaultSequence().clone();
    setDefaultSequence(defaultSequenceClone);
  }
  if (getSequences() != null) {
    HashMap sequencesCopy = new HashMap(getSequences());
    HashMap sequencesDeepClone = new HashMap(getSequences().size());
    Iterator it = sequencesCopy.values().iterator();
    while (it.hasNext()) {
      Sequence sequence = (Sequence)it.next();
      if ((defaultSequenceClone != null) && (sequence == getDefaultSequence())) {
        sequencesDeepClone.put(defaultSequenceClone.getName(), defaultSequenceClone);
      } else {
        Sequence sequenceClone = (Sequence)sequence.clone();
        if (sequenceClone instanceof DefaultSequence) {
          if (!((DefaultSequence)sequenceClone).hasPreallocationSize()) {
            continue;
          }
        }
        sequencesDeepClone.put(sequenceClone.getName(), sequenceClone);
      }
    }
    this.setSequences(sequencesDeepClone);
  }
}

protected void sequencesAfterCloneCleanup() {
  Sequence defaultSequenceClone = null;
  if (hasDefaultSequence()) {
    defaultSequenceClone = (Sequence)getDefaultSequence().clone();
    setDefaultSequence(defaultSequenceClone);
  }
  if (getSequences() != null) {
    HashMap sequencesCopy = new HashMap(getSequences());
    HashMap sequencesDeepClone = new HashMap(getSequences().size());
    Iterator it = sequencesCopy.values().iterator();
    while (it.hasNext()) {
      Sequence sequence = (Sequence)it.next();
      if ((defaultSequenceClone != null) && (sequence == getDefaultSequence())) {
        sequencesDeepClone.put(defaultSequenceClone.getName(), defaultSequenceClone);
      } else {
        Sequence sequenceClone = (Sequence)sequence.clone();
        if (sequenceClone instanceof DefaultSequence) {
          if (!((DefaultSequence)sequenceClone).hasPreallocationSize()) {
            continue;
          }
        }
        sequencesDeepClone.put(sequenceClone.getName(), sequenceClone);
      }
    }
    this.setSequences(sequencesDeepClone);
  }
}

protected void sequencesAfterCloneCleanup() {
  Sequence defaultSequenceClone = null;
  if (hasDefaultSequence()) {
    defaultSequenceClone = (Sequence)getDefaultSequence().clone();
    setDefaultSequence(defaultSequenceClone);
  }
  HashMap sequencesDeepClone = null;
  if (getSequences() != null) {
    sequencesDeepClone = new HashMap(getSequences().size());
    Iterator it = getSequences().values().iterator();
    while (it.hasNext()) {
      Sequence sequence = (Sequence)it.next();
      if ((defaultSequenceClone != null) && (sequence == getDefaultSequence())) {
        sequencesDeepClone.put(defaultSequenceClone.getName(), defaultSequenceClone);
      } else {
        Sequence sequenceClone = (Sequence)sequence.clone();
        if (sequenceClone instanceof DefaultSequence) {
          if (!((DefaultSequence)sequenceClone).hasPreallocationSize()) {
            continue;
          }
        }
        sequencesDeepClone.put(sequenceClone.getName(), sequenceClone);
      }
    }
    this.setSequences(sequencesDeepClone);
  }
}

/**
 * Adds descriptors plus sequencing info found on the project to the session.
 */
protected void addProjectToSession(ServerSession session, Project project) {
  DatasourcePlatform sessionPlatform = (DatasourcePlatform)session.getDatasourceLogin().getDatasourcePlatform();
  DatasourcePlatform projectPlatform = (DatasourcePlatform)project.getDatasourceLogin().getDatasourcePlatform();
  if (!sessionPlatform.hasDefaultSequence() && projectPlatform.hasDefaultSequence()) {
    sessionPlatform.setDefaultSequence(projectPlatform.getDefaultSequence());
  }
  if ((sessionPlatform.getSequences() == null) || sessionPlatform.getSequences().isEmpty()) {
    if ((projectPlatform.getSequences() != null) && !projectPlatform.getSequences().isEmpty()) {
      sessionPlatform.setSequences(projectPlatform.getSequences());
    }
  } else {
    if ((projectPlatform.getSequences() != null) && !projectPlatform.getSequences().isEmpty()) {
      Iterator itProjectSequences = projectPlatform.getSequences().values().iterator();
      while (itProjectSequences.hasNext()) {
        Sequence sequence = (Sequence)itProjectSequences.next();
        if (!sessionPlatform.getSequences().containsKey(sequence.getName())) {
          sessionPlatform.addSequence(sequence);
        }
      }
    }
  }
  session.addDescriptors(project);
}

/**
 * Copy the state into the new platform.
 */
public void copyInto(Platform platform) {
  if (!(platform instanceof DatasourcePlatform)) {
    return;
  }
  DatasourcePlatform datasourcePlatform = (DatasourcePlatform)platform;
  datasourcePlatform.setTableQualifier(getTableQualifier());
  datasourcePlatform.setTimestampQuery(this.timestampQuery);
  datasourcePlatform.setConversionManager(getConversionManager());
  if (hasDefaultSequence()) {
    datasourcePlatform.setDefaultSequence(getDefaultSequence());
  }
  datasourcePlatform.setSequences(getSequences());
  datasourcePlatform.sequencesAfterCloneCleanup();
  datasourcePlatform.defaultNativeSequenceToTable = this.defaultNativeSequenceToTable;
}

/**
 * Copy the state into the new platform.
 */
public void copyInto(Platform platform) {
  if (!(platform instanceof DatasourcePlatform)) {
    return;
  }
  DatasourcePlatform datasourcePlatform = (DatasourcePlatform)platform;
  datasourcePlatform.setTableQualifier(getTableQualifier());
  datasourcePlatform.setTimestampQuery(this.timestampQuery);
  datasourcePlatform.setConversionManager(getConversionManager());
  if (hasDefaultSequence()) {
    datasourcePlatform.setDefaultSequence(getDefaultSequence());
  }
  datasourcePlatform.setSequences(getSequences());
  datasourcePlatform.sequencesAfterCloneCleanup();
}

/**
 * Copy the state into the new platform.
 */
@Override
public void copyInto(Platform platform) {
  if (!(platform instanceof DatasourcePlatform)) {
    return;
  }
  DatasourcePlatform datasourcePlatform = (DatasourcePlatform)platform;
  datasourcePlatform.setTableQualifier(getTableQualifier());
  datasourcePlatform.setTimestampQuery(this.timestampQuery);
  datasourcePlatform.setConversionManager(getConversionManager());
  if (hasDefaultSequence()) {
    datasourcePlatform.setDefaultSequence(getDefaultSequence());
  }
  datasourcePlatform.setSequences(getSequences());
  datasourcePlatform.sequencesAfterCloneCleanup();
  datasourcePlatform.setDefaultNativeSequenceToTable(getDefaultNativeSequenceToTable());
  datasourcePlatform.setDefaultSeqenceAtNextValue(getDefaultSeqenceAtNextValue());
}