org.jpox.store.query
Class JDOQLResultSetMetaData

java.lang.Object
  org.jpox.store.query.JDOQLResultSetMetaData

All Implemented Interfaces:

java.io.Serializable

public class JDOQLResultSetMetaData

extends java.lang.Object

implements java.io.Serializable

Metadata of JDOQL results

See Also:

Serialized Form

Constructor Summary

JDOQLResultSetMetaData(java.lang.Class[] types)
Constructor

Method Summary

int	getExpressionCount() The number of expressions in the result
java.lang.Class	getExpressionType(int exprIndex) Returns the Java class of the expression referenced by the given index that is returned by the associated query.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JDOQLResultSetMetaData

public JDOQLResultSetMetaData(java.lang.Class[] types)

Constructor

Parameters:

types - type of all expressions in the result

Method Detail

getExpressionCount

public int getExpressionCount()

The number of expressions in the result

Returns:

The number of expressions returned by the associated query.

getExpressionType

public java.lang.Class getExpressionType(int exprIndex)

Returns the Java class of the expression referenced by the given index that is returned by the associated query.

Parameters:

exprIndex - The 0-based index of the expression the type should be returned for.

Returns:

The Java class of the expression with the given index.

Throws:

java.lang.IndexOutOfBoundsException - if the index is out of range