Filter (52°North Shetland 9.5.3 API)

java.lang.Object
- org.n52.shetland.ogc.filter.Filter<T>

Type Parameters:

T - operator type, e.g. FilterConstants.TimeOperator,FilterConstants.SpatialOperator

All Implemented Interfaces:

AbstractSelectionClause, FilterClause

Direct Known Subclasses:

BinaryLogicFilter, ComparisonFilter, IdFilter, SpatialFilter, TemporalFilter, UnaryLogicFilter
```
public abstract class Filter<T>
extends Object
implements AbstractSelectionClause
```
class for FES FilterPredicates.

Since:

1.0.0

Constructor Summary

Constructors
Constructor Description

Filter()
constructor.

Filter(String valueReference)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract T`	`getOperator()`	Get filter operator.
`String`	`getValueReference()`	Get value reference.
`boolean`	`hasValueReference()`	Check if valueReference is set.
`boolean`	`isSetOperator()`	Check if operator is set.
`abstract Filter<T>`	`setOperator(T operator)`	Set filter operator.
`Filter<T>`	`setValueReference(String valueReference)`	Set value reference.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Filter
```
public Filter()
```
    constructor.
  - Filter
```
public Filter(String valueReference)
```
    Parameters:
    
    valueReference - the value reference
- Method Detail
  - getValueReference
```
public String getValueReference()
```
    Get value reference.
    
    Returns:
    
    value reference
  - setValueReference
```
public Filter<T> setValueReference(String valueReference)
```
    Set value reference.
    
    Parameters:
    
    valueReference - value reference
    
    Returns:
    
    This filter
  - hasValueReference
```
public boolean hasValueReference()
```
    Check if valueReference is set.
    
    Returns:
    
    true, if valueReference is set
  - getOperator
```
public abstract T getOperator()
```
    Get filter operator.
    
    Returns:
    
    filter operator
  - setOperator
```
public abstract Filter<T> setOperator(T operator)
```
    Set filter operator.
    
    Parameters:
    
    operator - filter operator
    
    Returns:
    
    this
  - isSetOperator
```
public boolean isSetOperator()
```
    Check if operator is set.
    
    Returns:
    
    true, if operator is set