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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.sql

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.sql .Ref

Ref

public interface Ref (Code)

A manifestation of the SQL REF type - a reference to an SQL type contained in the database.

The SQL REF's are held in a table along with SQL structured types. Every REF has an individual identifier for each single instance. The SQL REF is used instead of the structured type it references.

A Ref object is stored into the database using the PreparedStatement.setRef method.

Method Summary
public String	getBaseTypeName() Gets the fully-qualified SQL name of the SQL structured type that this Ref references.
public Object	getObject() Gets the SQL structured type instance referenced by this Ref.
public Object	getObject(Map<String, Class<?>> map) Returns the associated object and uses the relevant mapping to convert it to a Java type.
public void	setObject(Object value) Sets the value of the structured typethat this Ref references to a supplied Object.

Method Detail

getBaseTypeName
public String getBaseTypeName() throws SQLException(Code)
	Gets the fully-qualified SQL name of the SQL structured type that this Ref references. the fully qualified name of the SQL structured type throws: SQLException - if there is a database error

getObject
public Object getObject() throws SQLException(Code)
	Gets the SQL structured type instance referenced by this Ref. a Java object whose type is defined by the mapping for the SQLstructured type. throws: SQLException - if there is a database error

getObject
public Object getObject(Map<String, Class<?>> map) throws SQLException(Code)
	Returns the associated object and uses the relevant mapping to convert it to a Java type. Parameters: map - a java.util.Map which contains the mapping to use a Java object whose type is defined by the mapping for the SQLstructured type. throws: SQLException - if there is a database error

setObject
public void setObject(Object value) throws SQLException(Code)
	Sets the value of the structured typethat this Ref references to a supplied Object. Parameters: value - the Object representing the new SQL structured type that thisRef will reference. throws: SQLException - if there is a database error

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