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Java Standard Edition (SE)

SerialRef


compact3
javax.sql.rowset.serial

Class SerialRef

  • All Implemented Interfaces:
    Serializable, Cloneable, Ref


    public class SerialRef
    extends Object
    implements Ref, Serializable, Cloneable
    A serialized mapping of a Ref object, which is the mapping in the Java programming language of an SQL REF value.

    The SerialRef class provides a constructor for creating a SerialRef instance from a Ref object and provides methods for getting and setting the Ref object.

    Thread safety

    A SerialRef is not safe for use by multiple concurrent threads. If a SerialRef is to be used by more than one thread then access to the SerialRef should be controlled by appropriate synchronization.
    See Also:
    Serialized Form
    • Constructor Detail

      • SerialRef

        public SerialRef(Ref ref)
                  throws SerialException,
                         SQLException
        Constructs a SerialRef object from the given Ref object.
        Parameters:
        ref - a Ref object; cannot be null
        Throws:
        SQLException - if a database access occurs; if ref is null; or if the Ref object returns a null value base type name.
        SerialException - if an error occurs serializing the Ref object
    • Method Detail

      • getBaseTypeName

        public String getBaseTypeName()
                               throws SerialException
        Returns a string describing the base type name of the Ref.
        Specified by:
        getBaseTypeName in interface Ref
        Returns:
        a string of the base type name of the Ref
        Throws:
        SerialException - in no Ref object has been set
      • getObject

        public Object getObject(Map<String,Class<?>> map)
                         throws SerialException
        Returns an Object representing the SQL structured type to which this SerialRef object refers. The attributes of the structured type are mapped according to the given type map.
        Specified by:
        getObject in interface Ref
        Parameters:
        map - a java.util.Map object containing zero or more entries, with each entry consisting of 1) a String giving the fully qualified name of a UDT and 2) the Class object for the SQLData implementation that defines how the UDT is to be mapped
        Returns:
        an object instance resolved from the Ref reference and mapped according to the supplied type map
        Throws:
        SerialException - if an error is encountered in the reference resolution
        See Also:
        Ref.setObject(java.lang.Object)
      • equals

        public boolean equals(Object obj)
        Compares this SerialRef to the specified object. The result is true if and only if the argument is not null and is a SerialRef object that represents the same object as this object.
        Overrides:
        equals in class Object
        Parameters:
        obj - The object to compare this SerialRef against
        Returns:
        true if the given object represents a SerialRef equivalent to this SerialRef, false otherwise
        See Also:
        Object.hashCode(), HashMap
      • clone

        public Object clone()
        Returns a clone of this SerialRef. The underlying Ref object will be set to null.
        Overrides:
        clone in class Object
        Returns:
        a clone of this SerialRef
        See Also:
        Cloneable


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