How to use

getReference

method

in

org.talend.components.api.properties.ComponentReferenceProperties

public LiferayConnectionProperties getReferencedConnectionProperties() {
  LiferayConnectionProperties liferayConnectionProperties =
    referencedComponent.getReference();
  if (liferayConnectionProperties != null) {
    return liferayConnectionProperties;
  }
  if (getReferencedComponentId() != null) {
    _log.error(
      "Connection has a reference to '{}' but the referenced " +
        "Object is null",
      getReferencedComponentId());
  }
  if (_log.isDebugEnabled()) {
    _log.debug(
      "Fall back to the actual instance " +
        "LiferayConnectionProperties for the runtime environment");
  }
  return getLiferayConnectionProperties();
}

public SnowflakeConnectionProperties getReferencedConnectionProperties() {
  SnowflakeConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

/**
 * Return referenced connection properties.
 *
 * @return referenced connection properties or {@code null}
 */
public GoogleDriveConnectionProperties getReferencedConnectionProperties() {
  GoogleDriveConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

/**
 * Return referenced connection properties.
 *
 * @return referenced connection properties or {@code null}
 */
public NetSuiteConnectionProperties getReferencedConnectionProperties() {
  NetSuiteConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

public SalesforceConnectionProperties getReferencedConnectionProperties() {
  SalesforceConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

/**
 * Return referenced connection properties.
 *
 * @return referenced connection properties or {@code null}
 */
public GoogleDriveConnectionProperties getReferencedConnectionProperties() {
  GoogleDriveConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

public SnowflakeConnectionProperties getReferencedConnectionProperties() {
  SnowflakeConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

public SalesforceConnectionProperties getReferencedConnectionProperties() {
  SalesforceConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

public TAzureStorageConnectionProperties getReferencedConnectionProperties() {
  TAzureStorageConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

public SnowflakeConnectionProperties getReferencedConnectionProperties() {
  SnowflakeConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

/**
 * Return referenced connection properties.
 *
 * @return referenced connection properties or {@code null}
 */
public NetSuiteConnectionProperties getReferencedConnectionProperties() {
  NetSuiteConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

public TAzureStorageConnectionProperties getReferencedConnectionProperties() {
  TAzureStorageConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  return null;
}

public TMarketoConnectionProperties getReferencedConnectionProperties() {
  TMarketoConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  LOG.debug("Connection has a reference to `{}` but the referenced Object is null!", getReferencedComponentId());
  return null;
}

public TMarketoConnectionProperties getReferencedConnectionProperties() {
  TMarketoConnectionProperties refProps = referencedComponent.getReference();
  if (refProps != null) {
    return refProps;
  }
  LOG.debug("Connection has a reference to `{}` but the referenced Object is null!", getReferencedComponentId());
  return null;
}

  public MarkLogicConnectionProperties getConnection() {
    return connection.isReferencedConnectionUsed() ? connection.referencedComponent.getReference() : connection;
  }
}

@Override
public MarkLogicConnectionProperties getConnectionProperties() {
  return isReferencedConnectionUsed() ? referencedComponent.getReference() : this;
}

public static void setReferenceInfoAndConnectionInfo(AllSetting setting,
    ComponentReferenceProperties<TJDBCConnectionProperties> referencedComponent,
    JDBCConnectionModule connection) {
  boolean useExistedConnection = setReferenceInfo(setting, referencedComponent);
  if (useExistedConnection) {
    if (referencedComponent.getReference() != null) {// avoid the NPE in JdbcRuntimeInfo
      setCommonConnectionInfo(setting,
          ((TJDBCConnectionProperties) referencedComponent.getReference()).connection);
    }
  } else {
    setCommonConnectionInfo(setting, connection);
  }
}

public static void setReferenceInfoAndConnectionInfo(AllSetting setting,
    ComponentReferenceProperties<TJDBCConnectionProperties> referencedComponent,
    JDBCConnectionModule connection) {
  boolean useExistedConnection = setReferenceInfo(setting, referencedComponent);
  if (useExistedConnection) {
    if (referencedComponent.getReference() != null) {// avoid the NPE in JdbcRuntimeInfo
      setCommonConnectionInfo(setting,
          ((TJDBCConnectionProperties) referencedComponent.getReference()).connection);
    }
  } else {
    setCommonConnectionInfo(setting, connection);
  }
}

public static boolean setReferenceInfo(AllSetting setting,
    ComponentReferenceProperties<TJDBCConnectionProperties> referencedComponent) {
  if (referencedComponent == null) {
    return false;
  }
  boolean useOtherConnection = useExistedConnection(referencedComponent);
  if (useOtherConnection) {
    setting.setReferencedComponentId(referencedComponent.componentInstanceId.getValue());
    setting.setReferencedComponentProperties(referencedComponent.getReference());
    return true;
  } else {
    return false;
  }
}

@Test
public void testUnserializeOldReferenceProps() {
  String oldPropsStr = "{\"@id\":1,\"@type\":\"org.talend.components.api.properties.ComponentReferencePropertiesTest$PropWithReference\",\"strprop\":{\"@id\":4,\"@type\":\"org.talend.daikon.properties.property.StringProperty\",\"possibleValues2\":null,\"flags\":null,\"taggedValues\":{\"@type\":\"java.util.HashMap\"},\"storedValue\":\"val1\",\"size\":-1,\"occurMinTimes\":0,\"occurMaxTimes\":0,\"precision\":0,\"pattern\":null,\"nullable\":false,\"possibleValues\":null,\"children\":{\"@type\":\"java.util.ArrayList\"},\"currentType\":\"java.lang.String\",\"name\":\"strprop\",\"displayName\":null,\"title\":null},\"referencedComponent\":{\"@id\":3,\"referenceType\":{\"@type\":\"org.talend.daikon.properties.property.EnumProperty\",\"flags\":null,\"taggedValues\":{\"@type\":\"java.util.HashMap\"},\"storedValue\":{\"@type\":\"org.talend.components.api.properties.ComponentReferenceProperties$ReferenceType\",\"name\":\"COMPONENT_INSTANCE\",\"ordinal\":2},\"size\":-1,\"occurMinTimes\":0,\"occurMaxTimes\":0,\"precision\":0,\"pattern\":null,\"nullable\":false,\"possibleValues\":{\"@type\":\"java.util.Arrays$ArrayList\",\"@items\":[{\"@type\":\"org.talend.components.api.properties.ComponentReferenceProperties$ReferenceType\",\"name\":\"THIS_COMPONENT\",\"ordinal\":0},{\"@type\":\"org.talend.components.api.properties.ComponentReferenceProperties$ReferenceType\",\"name\":\"COMPONENT_TYPE\",\"ordinal\":1},{\"@type\":\"org.talend.components.api.properties.ComponentReferenceProperties$ReferenceType\",\"name\":\"COMPONENT_INSTANCE\",\"ordinal\":2}]},\"children\":{\"@type\":\"java.util.ArrayList\"},\"currentType\":\"org.talend.components.api.properties.ComponentReferenceProperties.ReferenceType\",\"name\":\"referenceType\",\"displayName\":null,\"title\":null},\"componentType\":{\"@type\":\"org.talend.daikon.properties.property.StringProperty\",\"possibleValues2\":null,\"flags\":{\"@type\":\"java.util.RegularEnumSet\",\"@items\":[{\"@type\":\"org.talend.daikon.properties.property.Property$Flags\",\"name\":\"DESIGN_TIME_ONLY\",\"ordinal\":2}]},\"taggedValues\":{\"@type\":\"java.util.HashMap\"},\"storedValue\":\"AnotherPropDef\",\"size\":-1,\"occurMinTimes\":0,\"occurMaxTimes\":0,\"precision\":0,\"pattern\":null,\"nullable\":false,\"possibleValues\":null,\"children\":{\"@type\":\"java.util.ArrayList\"},\"currentType\":\"java.lang.String\",\"name\":\"componentType\",\"displayName\":null,\"title\":null},\"componentInstanceId\":{\"@type\":\"org.talend.daikon.properties.property.StringProperty\",\"possibleValues2\":null,\"flags\":null,\"taggedValues\":{\"@type\":\"java.util.HashMap\"},\"storedValue\":\"12345\",\"size\":-1,\"occurMinTimes\":0,\"occurMaxTimes\":0,\"precision\":0,\"pattern\":null,\"nullable\":false,\"possibleValues\":null,\"children\":{\"@type\":\"java.util.ArrayList\"},\"currentType\":\"java.lang.String\",\"name\":\"componentInstanceId\",\"displayName\":null,\"title\":null},\"componentProperties\":{\"@type\":\"org.talend.components.api.properties.ComponentReferencePropertiesTest$AnotherProperties\",\"strprop2\":{\"@type\":\"org.talend.daikon.properties.property.StringProperty\",\"possibleValues2\":null,\"flags\":null,\"taggedValues\":{\"@type\":\"java.util.HashMap\"},\"storedValue\":\"val2\",\"size\":-1,\"occurMinTimes\":0,\"occurMaxTimes\":0,\"precision\":0,\"pattern\":null,\"nullable\":false,\"possibleValues\":null,\"children\":{\"@type\":\"java.util.ArrayList\"},\"currentType\":\"java.lang.String\",\"name\":\"strprop2\",\"displayName\":null,\"title\":null},\"name\":\"componentProperties\",\"validationResult\":null},\"enclosingProperties\":{\"@ref\":1},\"name\":\"referencedComponent\",\"validationResult\":null},\"name\":\"root\",\"validationResult\":null}\n";
  Deserialized<PropWithReference> fromSerializedPersistent = Properties.Helper.fromSerializedPersistent(oldPropsStr,
      PropWithReference.class);
  PropWithReference unserializedFep = fromSerializedPersistent.object;
  assertEquals("val1", unserializedFep.strprop.getValue());
  assertEquals("val2", unserializedFep.referencedComponent.getReference().strprop2.getValue());
  assertEquals("12345", unserializedFep.referencedComponent.componentInstanceId.getValue());
  assertEquals(ReferenceType.COMPONENT_INSTANCE, unserializedFep.referencedComponent.referenceType.getValue());
}