com.feedzai.commons.sql.abstraction.dml.result

Class ResultColumn

java.lang.Object

com.feedzai.commons.sql.abstraction.dml.result.ResultColumn

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

DB2ResultColumn, H2ResultColumn, MySqlResultColumn, OracleResultColumn, PostgreSqlResultColumn, SqlServerResultColumn

public abstract class ResultColumn
extends java.lang.Object
implements java.io.Serializable

Abstract result column to be extended by specific implementations.

Since:

2.0.0

Author:

Rui Vilao (rui.vilao@feedzai.com)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	name The name of the column.
protected java.lang.Object	val The value of the column.

Constructor Summary

Constructors

Constructor and Description
ResultColumn(java.lang.String name, java.lang.Object val) Creates a new instance of ResultColumn.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getName()
boolean	isNull() Checks if the value is null.
protected java.lang.Object	processObject(java.lang.Object o) Processes an object.
<T> T	toBlob() Converts this result (in the form of blob) to the specified object type.
java.lang.Boolean	toBoolean()
java.lang.Double	toDouble()
java.lang.Float	toFloat()
java.lang.Integer	toInt()
java.lang.Long	toLong()
java.lang.Object	toObject()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

val

protected final java.lang.Object val

The value of the column.

name

protected final java.lang.String name

The name of the column.

Constructor Detail

ResultColumn

public ResultColumn(java.lang.String name,
                    java.lang.Object val)

Creates a new instance of ResultColumn.

Parameters:

name - The column name.

val - The column value.

Method Detail

processObject

protected java.lang.Object processObject(java.lang.Object o)

Processes an object. This method is to be overwritten by implementations that need to do some processing before the ResultSet closes.

Parameters:

o - The object in need of some kind of processing before being set.

Returns:

The processed object.

See Also:

DB2ResultColumn

isNull

public boolean isNull()

Checks if the value is null.

Returns:

True if the value is null, false otherwise.

getName

public java.lang.String getName()

Returns:

The name.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

This value in the form of a String.

toInt

public java.lang.Integer toInt()

Returns:

This value in the form of an Integer.

toDouble

public java.lang.Double toDouble()

Returns:

This value in the form of a Double.

toFloat

public java.lang.Float toFloat()

Returns:

This value in the form of a Float.

toLong

public java.lang.Long toLong()

Returns:

This value in the form of a Long.

toObject

public java.lang.Object toObject()

Returns:

The object value.

toBoolean

public java.lang.Boolean toBoolean()

Returns:

This value in the form of a Boolean.

toBlob

public <T> T toBlob()
             throws DatabaseEngineRuntimeException

Converts this result (in the form of blob) to the specified object type.

Type Parameters:

T - The type to convert.

Returns:

The instance that was in the form of blob.

Throws:

DatabaseEngineRuntimeException - If the value is not a blob or if something goes wrong when reading the object.