com.screenscraper.datamanager

Class DataObject

java.lang.Object

com.screenscraper.datamanager.DataObject

public class DataObject
extends java.lang.Object

A DataObject stores each individual piece of data in a DataNode along with information of its type to facilitate writing it out to a database.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DataObject.ObjectType
static interface	DataObject.ValueParser<T> A value parser tries to convert the object from its source to target type.

Constructor Summary

Constructors

Constructor and Description
DataObject(java.lang.Object value, DataObject.ObjectType type) Get a DataObject with the default parser
DataObject(java.lang.Object value, DataObject.ObjectType type, DataObject.ValueParser parser) Get a DataObject with a custom parser

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o) An object is equal if it is an instance of DataObject, the ObjectType is equivalent, and the equals method on the contained object returns true.
java.math.BigDecimal	getBigDecimal() Retrieve the object as a BigDecimal or throws a ClassCastException if it can't
java.lang.Boolean	getBoolean() Retrieve the object as a Boolean or throws a ClassCastException if it can't
java.lang.Byte	getByte() Retrieve the object as a Byte or throws a ClassCastException if it can't
byte[]	getBytes() Retrieve the object as a Byte[] or throws a ClassCastException if it can't
java.sql.Date	getDate() Retrieve the object as a java.sql.Date or throws a ClassCastException if it can't
java.lang.Double	getDouble() Retrieve the object as a Double or throws a ClassCastException if it can't
java.lang.Float	getFloat() Retrieve the object as a Float or throws a ClassCastException if it can't
java.io.InputStream	getInputStream() Retrieve the object as an InputStream.
java.lang.Integer	getInt() Retrieve the object as a Integer or throws a ClassCastException if it can't
java.lang.Long	getLong() Retrieve the object as a Long or throws a ClassCastException if it can't
java.lang.Object	getObject() Return the object that is contained in the DataObject
java.lang.Short	getShort() Retrieve the object as a Short or throws a ClassCastException if it can't
java.lang.String	getString() Retrieve the object as a String
java.sql.Time	getTime() Retrieve the object as a java.sql.Time or throws a ClassCastException if it can't
java.sql.Timestamp	getTimestamp() Retrieve the object as a java.sql.Timestamp or throws a ClassCastException if it can't
DataObject.ObjectType	getType() gets the ObjectType of the DataObject.
int	hashCode() The hashcode is calculated based on the ObjectType and contained object
static byte[]	serializeObject(java.lang.Object o) Attempt to serialize the given object
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DataObject

public DataObject(@Nullable
                  java.lang.Object value,
                  @Nullable
                  DataObject.ObjectType type,
                  @NotNull
                  DataObject.ValueParser parser)

Get a DataObject with a custom parser

Parameters:

value -

type -

parser -

DataObject

public DataObject(@Nullable
                  java.lang.Object value,
                  @Nullable
                  DataObject.ObjectType type)

Get a DataObject with the default parser

Parameters:

value -

type -

Method Detail

getType

@Nullable
public DataObject.ObjectType getType()

gets the ObjectType of the DataObject. ObjectType has information that helps the DataManager convert from Java types to database target types

Returns:

ObjectType

getObject

@Nullable
public java.lang.Object getObject()

Return the object that is contained in the DataObject

Returns:

The value of this DataObject

serializeObject

public static byte[] serializeObject(java.lang.Object o)

Attempt to serialize the given object

Parameters:

o - The object to serialize

Returns:

The bytes for the serialized object, or null if serialization failed

equals

public boolean equals(java.lang.Object o)

An object is equal if it is an instance of DataObject, the ObjectType is equivalent, and the equals method on the contained object returns true.

Overrides:

equals in class java.lang.Object

Parameters:

o - The object to check for equality

Returns:

True iff the object given is equal to this one

hashCode

public int hashCode()

The hashcode is calculated based on the ObjectType and contained object

Overrides:

hashCode in class java.lang.Object

Returns:

A hashcode for the object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getBigDecimal

@Nullable
public java.math.BigDecimal getBigDecimal()

Retrieve the object as a BigDecimal or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getBoolean

@Nullable
public java.lang.Boolean getBoolean()

Retrieve the object as a Boolean or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getByte

public java.lang.Byte getByte()

Retrieve the object as a Byte or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getDate

@Nullable
public java.sql.Date getDate()

Retrieve the object as a java.sql.Date or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getTime

@Nullable
public java.sql.Time getTime()

Retrieve the object as a java.sql.Time or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getTimestamp

@Nullable
public java.sql.Timestamp getTimestamp()

Retrieve the object as a java.sql.Timestamp or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getDouble

public java.lang.Double getDouble()

Retrieve the object as a Double or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getFloat

public java.lang.Float getFloat()

Retrieve the object as a Float or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getInt

public java.lang.Integer getInt()

Retrieve the object as a Integer or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getLong

public java.lang.Long getLong()

Retrieve the object as a Long or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getShort

public java.lang.Short getShort()

Retrieve the object as a Short or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getBytes

@Nullable
public byte[] getBytes()

Retrieve the object as a Byte[] or throws a ClassCastException if it can't

Returns:

The value of this DataObject in the specified type

getString

@Nullable
public java.lang.String getString()

Retrieve the object as a String

Returns:

The value of this DataObject in the specified type

getInputStream

@Nullable
public java.io.InputStream getInputStream()

Retrieve the object as an InputStream. If it is not already an InputStream type it will attempt to serialize the object via DataObject.serializeObject

Returns:

The value of this DataObject in the specified type