java.lang.Object
- elki.data.type.TypeUtil

```
public final class TypeUtil
extends java.lang.Object
```
Utility package containing various common types.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields
Modifier and Type	Field	Description
`static SimpleTypeInformation<java.lang.Object>`	`ANY`	Input type for algorithms that accept anything.
`static VectorTypeInformation<BitVector>`	`BIT_VECTOR`	Input type for algorithms that require bit vectors.
`static VectorFieldTypeInformation<BitVector>`	`BIT_VECTOR_FIELD`	Input type for algorithms that require bit vector fields.
`static SimpleTypeInformation<ClassLabel>`	`CLASSLABEL`	A class label.
`static SimpleTypeInformation<DBID>`	`DBID`	Database IDs.
`static SimpleTypeInformation<DBIDs>`	`DBIDS`	Database ID lists (but not single DBIDs).
`static SimpleTypeInformation<java.lang.Double>`	`DOUBLE`	Double type, outlier scores etc.
`static SimpleTypeInformation<double[]>`	`DOUBLE_ARRAY`	Double array objects (do not use for input data points).
`static VectorFieldTypeInformation<DoubleVector>`	`DOUBLE_VECTOR_FIELD`	Input type for algorithms that require number vector fields.
`static SimpleTypeInformation<ExternalID>`	`EXTERNALID`	External ID type.
`static VectorTypeInformation<FeatureVector<?>>`	`FEATURE_VECTORS`	Any feature vector type.
`static VectorFieldTypeInformation<FloatVector>`	`FLOAT_VECTOR_FIELD`	Input type for algorithms that require number vector fields.
`static TypeInformation`	`GUESSED_LABEL`	Either class label, object labels or a string - anything that will be accepted by `DatabaseUtil.guessObjectLabelRepresentation(elki.database.Database)` .
`static SimpleTypeInformation<java.lang.Integer>`	`INTEGER`	Integer type.
`static SimpleTypeInformation<int[]>`	`INTEGER_ARRAY`	Integer array objects.
`static SimpleTypeInformation<KNNList>`	`KNNLIST`	KNN lists.
`static SimpleTypeInformation<LabelList>`	`LABELLIST`	A list of labels.
`static SimpleTypeInformation<double[][]>`	`MATRIX`	Matrix type.
`static MultivariateSeriesTypeInformation<NumberVector>`	`MULTIVARIATE_SERIES`	Type request for multivariate time series.
`static SimpleTypeInformation<DoubleDBIDList>`	`NEIGHBORLIST`	A list of neighbors.
`static VectorFieldTypeInformation<NumberVector>`	`NUMBER_VECTOR_FIELD`	Input type for algorithms that require number vector fields.
`static VectorFieldTypeInformation<? super NumberVector>`	`NUMBER_VECTOR_FIELD_1D`	Type request for two-dimensional number vectors
`static VectorFieldTypeInformation<? super NumberVector>`	`NUMBER_VECTOR_FIELD_2D`	Type request for two-dimensional number vectors
`static VectorTypeInformation<NumberVector>`	`NUMBER_VECTOR_VARIABLE_LENGTH`	Number vectors of variable length.
`static SimpleTypeInformation<PolygonsObject>`	`POLYGON_TYPE`	Type for polygons.
`static SimpleTypeInformation<SimpleClassLabel>`	`SIMPLE_CLASSLABEL`	Simple class labels.
`static VectorFieldTypeInformation<SparseDoubleVector>`	`SPARSE_DOUBLE_FIELD`	Sparse double vector field.
`static VectorFieldTypeInformation<SparseFloatVector>`	`SPARSE_FLOAT_FIELD`	Sparse float vector field.
`static VectorFieldTypeInformation<SparseNumberVector>`	`SPARSE_VECTOR_FIELD`	Sparse vector field.
`static VectorTypeInformation<SparseNumberVector>`	`SPARSE_VECTOR_VARIABLE_LENGTH`	Sparse float vector field.
`static SimpleTypeInformation<SpatialComparable>`	`SPATIAL_OBJECT`	Spatial objects.
`static SimpleTypeInformation<java.lang.String>`	`STRING`	A string.

Constructor Summary

Constructors
Modifier Constructor Description

private TypeUtil()
Fake Constructor.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type Method Description

static TypeInformation[] array(TypeInformation... ts)
Make a type array easily.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ANY

public static final SimpleTypeInformation<java.lang.Object> ANY

Input type for algorithms that accept anything.

DBID

public static final SimpleTypeInformation<DBID> DBID

Database IDs.

DBIDS

public static final SimpleTypeInformation<DBIDs> DBIDS

Database ID lists (but not single DBIDs).

STRING

public static final SimpleTypeInformation<java.lang.String> STRING

A string.

CLASSLABEL

public static final SimpleTypeInformation<ClassLabel> CLASSLABEL

A class label.

SIMPLE_CLASSLABEL

public static final SimpleTypeInformation<SimpleClassLabel> SIMPLE_CLASSLABEL

Simple class labels.

LABELLIST

public static final SimpleTypeInformation<LabelList> LABELLIST

A list of labels.

NEIGHBORLIST

public static final SimpleTypeInformation<DoubleDBIDList> NEIGHBORLIST

A list of neighbors.

GUESSED_LABEL
```
public static final TypeInformation GUESSED_LABEL
```
Either class label, object labels or a string - anything that will be accepted by DatabaseUtil.guessObjectLabelRepresentation(elki.database.Database) .

NUMBER_VECTOR_VARIABLE_LENGTH

public static final VectorTypeInformation<NumberVector> NUMBER_VECTOR_VARIABLE_LENGTH

Number vectors of variable length.

NUMBER_VECTOR_FIELD

public static final VectorFieldTypeInformation<NumberVector> NUMBER_VECTOR_FIELD

Input type for algorithms that require number vector fields.

NUMBER_VECTOR_FIELD_1D

public static final VectorFieldTypeInformation<? super NumberVector> NUMBER_VECTOR_FIELD_1D

Type request for two-dimensional number vectors

NUMBER_VECTOR_FIELD_2D

public static final VectorFieldTypeInformation<? super NumberVector> NUMBER_VECTOR_FIELD_2D

Type request for two-dimensional number vectors

MULTIVARIATE_SERIES

public static final MultivariateSeriesTypeInformation<NumberVector> MULTIVARIATE_SERIES

Type request for multivariate time series.

DOUBLE_VECTOR_FIELD
```
public static final VectorFieldTypeInformation<DoubleVector> DOUBLE_VECTOR_FIELD
```
Input type for algorithms that require number vector fields. If possible, please use NUMBER_VECTOR_FIELD!

FLOAT_VECTOR_FIELD
```
public static final VectorFieldTypeInformation<FloatVector> FLOAT_VECTOR_FIELD
```
Input type for algorithms that require number vector fields. If possible, please use NUMBER_VECTOR_FIELD!

BIT_VECTOR

public static final VectorTypeInformation<BitVector> BIT_VECTOR

Input type for algorithms that require bit vectors.

BIT_VECTOR_FIELD

public static final VectorFieldTypeInformation<BitVector> BIT_VECTOR_FIELD

Input type for algorithms that require bit vector fields.

SPARSE_VECTOR_VARIABLE_LENGTH

public static final VectorTypeInformation<SparseNumberVector> SPARSE_VECTOR_VARIABLE_LENGTH

Sparse float vector field.

SPARSE_VECTOR_FIELD

public static final VectorFieldTypeInformation<SparseNumberVector> SPARSE_VECTOR_FIELD

Sparse vector field.

SPARSE_FLOAT_FIELD
```
public static final VectorFieldTypeInformation<SparseFloatVector> SPARSE_FLOAT_FIELD
```
Sparse float vector field. If possible, please use SPARSE_VECTOR_FIELD instead!

SPARSE_DOUBLE_FIELD
```
public static final VectorFieldTypeInformation<SparseDoubleVector> SPARSE_DOUBLE_FIELD
```
Sparse double vector field. If possible, please use SPARSE_VECTOR_FIELD instead!

EXTERNALID

public static final SimpleTypeInformation<ExternalID> EXTERNALID

External ID type.

POLYGON_TYPE

public static final SimpleTypeInformation<PolygonsObject> POLYGON_TYPE

Type for polygons.

DOUBLE

public static final SimpleTypeInformation<java.lang.Double> DOUBLE

Double type, outlier scores etc.

INTEGER

public static final SimpleTypeInformation<java.lang.Integer> INTEGER

Integer type.

DOUBLE_ARRAY

public static final SimpleTypeInformation<double[]> DOUBLE_ARRAY

Double array objects (do not use for input data points).

INTEGER_ARRAY

public static final SimpleTypeInformation<int[]> INTEGER_ARRAY

Integer array objects.

MATRIX

public static final SimpleTypeInformation<double[][]> MATRIX

Matrix type.

FEATURE_VECTORS

public static final VectorTypeInformation<FeatureVector<?>> FEATURE_VECTORS

Any feature vector type.

SPATIAL_OBJECT

public static final SimpleTypeInformation<SpatialComparable> SPATIAL_OBJECT

Spatial objects.

KNNLIST

public static final SimpleTypeInformation<KNNList> KNNLIST

KNN lists.

Constructor Detail
- TypeUtil
```
private TypeUtil()
```
  Fake Constructor.

Method Detail
- array
```
public static TypeInformation[] array(TypeInformation... ts)
```
  Make a type array easily.
  
  Parameters:
  
  ts - Types
  
  Returns:
  
  array

Class TypeUtil