Package org.apache.derby.iapi.services.io

Class FormatableProperties

  • All Implemented Interfaces:
    java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, java.util.Map<java.lang.Object,​java.lang.Object>, Formatable, TypedFormat
    public class FormatableProperties
extends java.util.Properties
implements Formatable
    A formatable holder for a java.util.Properties. Used to avoid serializing Properties.
    See Also:
    Serialized Form

    • Field Summary

      • Fields inherited from class java.util.Properties

        defaults

    • Constructor Summary

      Constructors 
      Constructor Description
      FormatableProperties()
      Niladic constructor for formatable
      FormatableProperties​(java.util.Properties defaults)
      Creates an empty property list with the specified defaults.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void clearDefaults()
      Clear the defaults from this Properties set.
      int getTypeFormatId()
      Get the formatID which corresponds to this class.
      void readExternal​(java.io.ObjectInput in)
      Read the properties from a stream of stored objects.
      void writeExternal​(java.io.ObjectOutput out)
      Write the properties out.

      • Methods inherited from class java.util.Properties

        clear, clone, compute, computeIfAbsent, computeIfPresent, contains, containsKey, containsValue, elements, entrySet, equals, forEach, get, getOrDefault, getProperty, getProperty, hashCode, isEmpty, keys, keySet, list, list, load, load, loadFromXML, merge, propertyNames, put, putAll, putIfAbsent, rehash, remove, remove, replace, replace, replaceAll, save, setProperty, size, store, store, storeToXML, storeToXML, storeToXML, stringPropertyNames, toString, values

      • Methods inherited from class java.lang.Object

        finalize, getClass, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • FormatableProperties

        public FormatableProperties()
        Niladic constructor for formatable

      • FormatableProperties

        public FormatableProperties​(java.util.Properties defaults)
        Creates an empty property list with the specified defaults.
        Parameters:
        defaults - the defaults

    • Method Detail

      • clearDefaults

        public void clearDefaults()
        Clear the defaults from this Properties set. This sets the default field to null and thus breaks any link with the Properties set that was the default.

      • writeExternal

        public void writeExternal​(java.io.ObjectOutput out)
                   throws java.io.IOException
        Write the properties out. Step through the enumeration and write the strings out in UTF.
        Specified by:
        writeExternal in interface java.io.Externalizable
        Parameters:
        out - write bytes here
        Throws:
        java.io.IOException - thrown on error

      • readExternal

        public void readExternal​(java.io.ObjectInput in)
                  throws java.io.IOException
        Read the properties from a stream of stored objects.
        Specified by:
        readExternal in interface java.io.Externalizable
        Parameters:
        in - read this.
        Throws:
        java.io.IOException - thrown on error

      • getTypeFormatId

        public int getTypeFormatId()
        Get the formatID which corresponds to this class.
        Specified by:
        getTypeFormatId in interface TypedFormat
        Returns:
        the formatID of this class