org.eclipse.persistence.queries

Class ColumnResult

java.lang.Object

org.eclipse.persistence.queries.SQLResult

org.eclipse.persistence.queries.ColumnResult

All Implemented Interfaces:

java.io.Serializable

public class ColumnResult
extends SQLResult

Purpose: Concrete class to represent the ColumnResult structure as defined by the EJB 3.0 Persistence specification. This class is a subcomponent of the EntityResult

Since:

TopLink Java Essentials

Author:

Gordon Yorke

See Also:

EntityResult, Serialized Form

Constructor Summary

Constructors

Constructor and Description
ColumnResult(org.eclipse.persistence.internal.helper.DatabaseField column)
ColumnResult(java.lang.String column)

Method Summary

Methods

Modifier and Type	Method and Description
void	convertClassNamesToClasses(java.lang.ClassLoader classLoader) INTERNAL: Convert all the class-name-based settings in this query to actual class-based settings.
org.eclipse.persistence.internal.helper.DatabaseField	getColumn()
java.lang.Object	getValueFromRecord(DatabaseRecord record, ResultSetMappingQuery query) INTERNAL: This method is a convenience method for extracting values from Results
boolean	isColumnResult() Return true if this is a column result.

Methods inherited from class org.eclipse.persistence.queries.SQLResult

getSQLResultMapping, isConstructorResult, isEntityResult, setSQLResultMapping

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnResult

public ColumnResult(org.eclipse.persistence.internal.helper.DatabaseField column)

ColumnResult

public ColumnResult(java.lang.String column)

Method Detail

convertClassNamesToClasses

public void convertClassNamesToClasses(java.lang.ClassLoader classLoader)

INTERNAL: Convert all the class-name-based settings in this query to actual class-based settings. This method is used when converting a project that has been built with class names to a project with classes.

Overrides:

convertClassNamesToClasses in class SQLResult

Parameters:

classLoader -

getColumn

public org.eclipse.persistence.internal.helper.DatabaseField getColumn()

getValueFromRecord

public java.lang.Object getValueFromRecord(DatabaseRecord record,
                                  ResultSetMappingQuery query)

INTERNAL: This method is a convenience method for extracting values from Results

Specified by:

getValueFromRecord in class SQLResult

isColumnResult

public boolean isColumnResult()

Description copied from class: SQLResult

Return true if this is a column result.

Overrides:

isColumnResult in class SQLResult