Record Class Metadata

java.lang.Object
java.lang.Record
com.inductiveautomation.historian.common.model.Metadata

public record Metadata(QualifiedPath path, PropertySet data, Date timestamp) extends Record
Metadata is the collection of attributes for a node at a given time. If null, it means the path is no longer in use.
  • Constructor Details

    • Metadata

      public Metadata(QualifiedPath path)
    • Metadata

      public Metadata(QualifiedPath path, PropertySet data)
    • Metadata

      public Metadata(QualifiedPath path, PropertySet data, Date timestamp)
      Creates an instance of a Metadata record class.
      Parameters:
      path - the value for the path record component
      data - the value for the data record component
      timestamp - the value for the timestamp record component
  • Method Details

    • getPath

      public QualifiedPath getPath()
    • getData

      public PropertySet getData()
    • getTimestamp

      public Date getTimestamp()
    • metaBuilder

      public static Metadata.MetaBuilder metaBuilder(String path, Date timestamp) throws IOException
      Throws:
      IOException
    • toString

      public final String toString()
      Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.
      Specified by:
      toString in class Record
      Returns:
      a string representation of this object
    • hashCode

      public final int hashCode()
      Returns a hash code value for this object. The value is derived from the hash code of each of the record components.
      Specified by:
      hashCode in class Record
      Returns:
      a hash code value for this object
    • equals

      public final boolean equals(Object o)
      Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).
      Specified by:
      equals in class Record
      Parameters:
      o - the object with which to compare
      Returns:
      true if this object is the same as the o argument; false otherwise.
    • path

      public QualifiedPath path()
      Returns the value of the path record component.
      Returns:
      the value of the path record component
    • data

      public PropertySet data()
      Returns the value of the data record component.
      Returns:
      the value of the data record component
    • timestamp

      public Date timestamp()
      Returns the value of the timestamp record component.
      Returns:
      the value of the timestamp record component