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

Class FormatableHashtable

  • 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 FormatableHashtable
extends java.util.Hashtable<java.lang.Object,​java.lang.Object>
implements Formatable
    A formatable holder for a java.util.Hashtable. Used to avoid serializing Properties.
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      FormatableHashtable()
      Niladic constructor for formatable

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean getBoolean​(java.lang.Object key)  
      int getInt​(java.lang.Object key)  
      long getLong​(java.lang.Object key)  
      int getTypeFormatId()
      Get the formatID which corresponds to this class.
      java.lang.Object put​(java.lang.Object key, java.lang.Object value)
      Our special put method that wont barf on a null value.
      void putBoolean​(java.lang.Object key, boolean value)  
      void putInt​(java.lang.Object key, int value)  
      void putLong​(java.lang.Object key, long value)  
      void readExternal​(java.io.ObjectInput in)
      Read the hash table from a stream of stored objects.
      void writeExternal​(java.io.ObjectOutput out)
      Write the hash table out.

      • Methods inherited from class java.util.Hashtable

        clear, clone, compute, computeIfAbsent, computeIfPresent, contains, containsKey, containsValue, elements, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keys, keySet, merge, putAll, putIfAbsent, rehash, remove, remove, replace, replace, replaceAll, size, toString, values

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • FormatableHashtable

        public FormatableHashtable()
        Niladic constructor for formatable

    • Method Detail

      • put

        public java.lang.Object put​(java.lang.Object key,
                            java.lang.Object value)
        Our special put method that wont barf on a null value.
        Specified by:
        put in interface java.util.Map<java.lang.Object,​java.lang.Object>
        Overrides:
        put in class java.util.Hashtable<java.lang.Object,​java.lang.Object>
        See Also:
        Hashtable

      • putInt

        public void putInt​(java.lang.Object key,
                   int value)

      • getInt

        public int getInt​(java.lang.Object key)

      • putLong

        public void putLong​(java.lang.Object key,
                    long value)

      • getLong

        public long getLong​(java.lang.Object key)

      • putBoolean

        public void putBoolean​(java.lang.Object key,
                       boolean value)

      • getBoolean

        public boolean getBoolean​(java.lang.Object key)

      • writeExternal

        public void writeExternal​(java.io.ObjectOutput out)
                   throws java.io.IOException
        Write the hash table 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,
                         java.lang.ClassNotFoundException
        Read the hash table 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
        java.lang.ClassNotFoundException - 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