ColumnResult (EclipseLink 2.7.14, API Reference)

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

See Also:

EntityResult, Serialized Form

Author:

Gordon Yorke

Since:

TopLink Java Essentials

Field Summary

Fields
Modifier and Type Field Description

protected org.eclipse.persistence.internal.helper.DatabaseField column
Stores the Columns name from the result set
- Fields inherited from class org.eclipse.persistence.queries.SQLResult
  sqlResultSetMapping

Constructor Summary

Constructors
Constructor Description

ColumnResult(java.lang.String column)

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - column
```
protected org.eclipse.persistence.internal.helper.DatabaseField column
```
    Stores the Columns name from the result set
- 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