Represents a marker object for data.

Note that this is not supposed to be used in scripts, and as such it cannot be obtained in any way.

Importing the class

Link to importing-the-class

It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.

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import crafttweaker.api.data.EmptyData;

Implemented Interfaces

Link to implemented-interfaces

EmptyData implements the following interfaces. That means all methods defined in these interfaces are also available in EmptyData

Result TypeIs Implicit
Result Type
boolean
Is Implicit
false
Result Type
byte
Is Implicit
false
Result Type
byte[]
Is Implicit
false
Result Type
double
Is Implicit
false
Result Type
float
Is Implicit
false
Result Type
IData[string]
Is Implicit
false
Result Type
int
Is Implicit
false
Result Type
int[]
Is Implicit
false
Result Type
long
Is Implicit
false
Result Type
long[]
Is Implicit
false
Result Type
short
Is Implicit
false
Result Type
stdlib.List<IData>
Is Implicit
false
Result Type
string
Is Implicit
false

Name: add

Adds the given IData to this IData.

Returns: A new IData after adding the other data.
Return Type: IData

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// EmptyData.add(other as IData) as IData

myEmptyData.add(2);
ParameterTypeDescription
Parameter
other
Type
IData
Description
the other data to add.

Name: asBool

Casts this IData to a boolean.

Returns: this data as a bool
Return Type: boolean

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// EmptyData.asBool() as boolean

myEmptyData.asBool();

Name: asByte

Casts this IData to a byte.

Returns: this data as a byte
Return Type: byte

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// EmptyData.asByte() as byte

myEmptyData.asByte();

Name: asByteArray

Casts this IData to a byte array.

Returns: this data as a byte array
Return Type: byte[]

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// EmptyData.asByteArray() as byte[]

myEmptyData.asByteArray();

Name: asDouble

Casts this IData to a double.

Returns: this data as a double
Return Type: double

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// EmptyData.asDouble() as double

myEmptyData.asDouble();

Name: asFloat

Casts this IData to a float.

Returns: this data as a float
Return Type: float

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// EmptyData.asFloat() as float

myEmptyData.asFloat();

Name: asInt

Casts this IData to an int.

Returns: this data as an int
Return Type: int

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// EmptyData.asInt() as int

myEmptyData.asInt();

Name: asIntArray

Casts this IData to an int array.

Returns: this data as an int array
Return Type: int[]

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// EmptyData.asIntArray() as int[]

myEmptyData.asIntArray();

Name: asList

Casts this IData to a list.

Returns: this data as a list
Return Type: stdlib.List<IData>

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// EmptyData.asList() as stdlib.List<IData>

myEmptyData.asList();

Name: asLong

Casts this IData to a long.

Returns: this data as a long
Return Type: long

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// EmptyData.asLong() as long

myEmptyData.asLong();

Name: asLongArray

Casts this IData to a long array.

Returns: this data as a long array
Return Type: long[]

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// EmptyData.asLongArray() as long[]

myEmptyData.asLongArray();

Name: asMap

Casts this IData to a map.

Returns: this data as a map
Return Type: IData[string]

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// EmptyData.asMap() as IData[string]

myEmptyData.asMap();

Name: asShort

Casts this IData to a short.

Returns: this data as a short
Return Type: short

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// EmptyData.asShort() as short

myEmptyData.asShort();

Name: asString

Gets an escaped string version of this IData, quotes are included in the output

E.G println(("hello" as IData).asString()) prints "hello"

Returns: The escaped string version of this IData.
Return Type: string

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// EmptyData.asString() as string

myEmptyData.asString();

Name: compareTo

Compares this IData to the other IData

Returns: The comparison result.
Return Type: int

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// EmptyData.compareTo(other as IData) as int

myEmptyData.compareTo(5);
ParameterTypeDescription
Parameter
other
Type
IData
Description
the data to be compared.

Name: getAsString

Gets the literal string version of this IData.

E.G println(("hello" as IData).getAsString()) prints hello

Returns: The literal string version of this IData.
Return Type: string

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// EmptyData.getAsString() as string

myEmptyData.getAsString();

Name: getId

Gets the internal ID of this data.

Returns: the intenral ID of this data.
Return Type: byte

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// EmptyData.getId() as byte

myEmptyData.getId();

Name: getKeys

Gets the keys of this IData

Returns: The keys of this IData.
Return Type: Set<string>

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// EmptyData.getKeys() as Set<string>

myEmptyData.getKeys();

Name: isEmpty

Checks if this data is empty.

Returns: True if empty.
Return Type: boolean

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// EmptyData.isEmpty() as boolean

myEmptyData.isEmpty();

Name: length

Gets the length of this IData.

Returns: The length of this IData.
Return Type: int

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// EmptyData.length() as int

myEmptyData.length();

Name: map

Maps this IData to another IData based on the given operation.

Returns: A new IData from the operation
Return Type: IData

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// EmptyData.map(operation as Function<IData,IData>) as IData

myEmptyData.map((data) => 3);
ParameterTypeDescription
Parameter
operation
Type
Function<IData,IData>
Description
The operation to apply to this IData

Name: merge

Merges the given data with this data.

Returns: the result of merging the datas.
Return Type: IData

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EmptyData.merge(other as IData) as IData
ParameterTypeDescription
Parameter
other
Type
IData
Description
the data to merge

Name: put

Puts the given value inside this IData at the given index.

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// EmptyData.put(index as string, value as IData?)

new MapData().put("key", "value");
ParameterTypeDescription
Parameter
index
Type
string
Description
The key to store the data at
Parameter
value
Type
IData?
Description
The data to store.

Name: remove

Removes the stored data at the given index.

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// EmptyData.remove(index as int)

[1, 2, 3] as IData.remove(0);
ParameterTypeDescription
Parameter
index
Type
int
Description
The index to remove.

Name: remove

Removes the stored data at the given key.

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// EmptyData.remove(key as string)

{key: "value"} as IData.remove("key");
ParameterTypeDescription
Parameter
key
Type
string
Description
The key to remove.

Name: setAt

Sets the given value inside this IData at the given index.

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EmptyData.setAt(name as string, data as IData?)
ParameterTypeDescription
Parameter
name
Type
string
Description
The key to store the data at
Parameter
data
Type
IData?
Description
The data to store.

Name: ADD

Adds the given IData to this IData.

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myEmptyData + other as IData
myEmptyData + 2

Name: AND

Applies a bitwise AND (&) operation to this IData and the other IData

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myEmptyData & other as IData
myEmptyData & 2

Name: CAT

Concatenates the given IData to this IData.

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myEmptyData ~ other as IData
myEmptyData ~ 2

Name: COMPARE

Compares this IData to the other IData

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myEmptyData < other as IData
myEmptyData < 5

Name: CONTAINS

Checks if this IData contains the other IData


For most data types, this will check equality of the data, but for map data, it will check if the other data is a string, and then check if it contains a key with that name

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other as IData in myEmptyData

Name: DIV

Divides the given IData from this IData.

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myEmptyData / other as IData
myEmptyData / 2

Name: EQUALS

Checks if this IData is equal to the other IData.

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myEmptyData == other as IData

Name: INDEXGET

Gets the data at the given index.

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[myEmptyData]
[[1, 2, 3] as IData]

Name: INDEXSET

Puts the given value inside this IData at the given index.

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[myEmptyData] = index as string
[new MapData()] = "key"

Name: MOD

Applies a modulo operation to this IData against the other IData.

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myEmptyData % other as IData
myEmptyData % 2

Name: MUL

Multiplies the given IData to this IData.

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myEmptyData * other as IData
myEmptyData * 2

Name: NEG

Negates this IData.

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-myEmptyData
-myEmptyData

Name: NOT

Applies a NOT (!) operation to this IData.

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!myEmptyData
!true

Name: OR

Applies a bitwise OR (|) operation to this IData and the other IData

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myEmptyData | other as IData
myEmptyData | 2

Name: SHL

Applies a SHL (<<) operation to this data by the other data

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myEmptyData << other as IData
myEmptyData << 2

Name: SHR

Applies a SHR (>>) operation to this data by the other data

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myEmptyData >> other as IData
myEmptyData >> 2

Name: SUB

Subtracts the given IData from this IData.

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myEmptyData - other as IData
myEmptyData - 2

Name: XOR

Applies a bitwise XOR (^) operation to this IData and the other IData

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myEmptyData ^ other as IData
myEmptyData ^ 2
NameTypeHas GetterHas SetterDescription
Name
isEmpty
Type
boolean
Has Getter
true
Has Setter
false
Description
Checks if this data is empty.
Name
keys
Type
Set<string>
Has Getter
true
Has Setter
false
Description
Gets the keys of this IData
Name
length
Type
int
Has Getter
true
Has Setter
false
Description
Gets the length of this IData.