java.lang.Object
- org.apache.lucene.util.AttributeImpl
- - org.apache.lucene.facet.index.attributes.CategoryAttributeImpl

All Implemented Interfaces:

Serializable, Cloneable, CategoryAttribute, org.apache.lucene.util.Attribute
```
public final class CategoryAttributeImpl
extends org.apache.lucene.util.AttributeImpl
implements CategoryAttribute
```
An implementation of CategoryAttribute.

See Also:

Serialized Form

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields
Modifier and Type	Field	Description
`protected CategoryPath`	`categoryPath`	The category path instance.
`protected HashMap<Class<? extends CategoryProperty>,CategoryProperty>`	`properties`	A map of properties associated to the current category path.

Fields inherited from class org.apache.lucene.util.AttributeImpl
enableBackwards

Constructor Summary

Constructors
Constructor	Description
`CategoryAttributeImpl()`	Construct an empty CategoryAttributeImpl.
`CategoryAttributeImpl(CategoryPath categoryPath)`	Construct a CategoryAttributeImpl with the given CategoryPath.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addProperty(CategoryProperty property)`	Add a property.
`void`	`clear()`	Resets this attribute to its initial value: a null category path and no properties.
`void`	`clearProperties()`	Clear all properties.
`CategoryAttribute`	`clone()`	Clone this `CategoryAttribute`.
`void`	`copyTo(org.apache.lucene.util.AttributeImpl target)`
`boolean`	`equals(Object o)`
`CategoryPath`	`getCategoryPath()`	Returns the category path value.
`CategoryProperty`	`getProperty(Class<? extends CategoryProperty> propertyClass)`	Get a property of a certain property class.
`CategoryProperty`	`getProperty(Collection<Class<? extends CategoryProperty>> propertyClasses)`	Get a property of one of given property classes.
`Set<Class<? extends CategoryProperty>>`	`getPropertyClasses()`	Get all the active property classes.
`int`	`hashCode()`
`void`	`remove(Class<? extends CategoryProperty> propertyClass)`	Remove an property of a certain property class.
`void`	`set(CategoryAttribute other)`	Set the content of this `CategoryAttribute` from another `CategoryAttribute` object.
`void`	`setCategoryPath(CategoryPath cp)`	Sets the category path value of this attribute.

Methods inherited from class org.apache.lucene.util.AttributeImpl
reflectAsString, reflectWith, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - categoryPath
```
protected CategoryPath categoryPath
```
    The category path instance.
  - properties
```
protected HashMap<Class<? extends CategoryProperty>,CategoryProperty> properties
```
    A map of properties associated to the current category path.
- Constructor Detail
  - CategoryAttributeImpl
```
public CategoryAttributeImpl()
```
    Construct an empty CategoryAttributeImpl.
  - CategoryAttributeImpl
```
public CategoryAttributeImpl(CategoryPath categoryPath)
```
    Construct a CategoryAttributeImpl with the given CategoryPath.
    
    Parameters:
    
    categoryPath - The category path to use.
- Method Detail
  - set
```
public void set(CategoryAttribute other)
```
    Description copied from interface: CategoryAttribute
    
    Set the content of this CategoryAttribute from another CategoryAttribute object.
    
    Specified by:
    
    set in interface CategoryAttribute
    
    Parameters:
    
    other - The CategoryAttribute to take the content from.
  - getCategoryPath
```
public CategoryPath getCategoryPath()
```
    Returns the category path value.
    
    Specified by:
    
    getCategoryPath in interface CategoryAttribute
    
    Returns:
    
    The category path last assigned to this attribute, or null if none has been assigned.
  - setCategoryPath
```
public void setCategoryPath(CategoryPath cp)
```
    Description copied from interface: CategoryAttribute
    
    Sets the category path value of this attribute.
    
    Specified by:
    
    setCategoryPath in interface CategoryAttribute
    
    Parameters:
    
    cp - A category path. May not be null.
  - addProperty
```
public void addProperty(CategoryProperty property)
                 throws UnsupportedOperationException
```
    Description copied from interface: CategoryAttribute
    
    Add a property. The property can be later retrieved using CategoryAttribute.getProperty(Class) with this property class .
    Adding multiple properties of the same class is forbidden.
    
    Specified by:
    
    addProperty in interface CategoryAttribute
    
    Parameters:
    
    property - The property to add.
    
    Throws:
    
    UnsupportedOperationException - When attempting to add a property of a class that was added before and merge is prohibited.
  - getProperty
```
public CategoryProperty getProperty(Class<? extends CategoryProperty> propertyClass)
```
    Description copied from interface: CategoryAttribute
    
    Get a property of a certain property class.
    
    Specified by:
    
    getProperty in interface CategoryAttribute
    
    Parameters:
    
    propertyClass - The required property class.
    
    Returns:
    
    The property of the given class, or null if no such property exists.
  - getProperty
```
public CategoryProperty getProperty(Collection<Class<? extends CategoryProperty>> propertyClasses)
```
    Description copied from interface: CategoryAttribute
    
    Get a property of one of given property classes.
    
    Specified by:
    
    getProperty in interface CategoryAttribute
    
    Parameters:
    
    propertyClasses - The property classes.
    
    Returns:
    
    A property matching one of the given classes, or null if no such property exists.
  - copyTo
```
public void copyTo(org.apache.lucene.util.AttributeImpl target)
```
    Specified by:
    
    copyTo in class org.apache.lucene.util.AttributeImpl
  - clone
```
public CategoryAttribute clone()
```
    Description copied from interface: CategoryAttribute
    
    Clone this CategoryAttribute.
    
    Specified by:
    
    clone in interface CategoryAttribute
    
    Overrides:
    
    clone in class org.apache.lucene.util.AttributeImpl
    
    Returns:
    
    A clone of this CategoryAttribute.
  - clear
```
public void clear()
```
    Description copied from interface: CategoryAttribute
    
    Resets this attribute to its initial value: a null category path and no properties.
    
    Specified by:
    
    clear in interface CategoryAttribute
    
    Specified by:
    
    clear in class org.apache.lucene.util.AttributeImpl
  - clearProperties
```
public void clearProperties()
```
    Description copied from interface: CategoryAttribute
    
    Clear all properties.
    
    Specified by:
    
    clearProperties in interface CategoryAttribute
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - getPropertyClasses
```
public Set<Class<? extends CategoryProperty>> getPropertyClasses()
```
    Description copied from interface: CategoryAttribute
    
    Get all the active property classes.
    
    Specified by:
    
    getPropertyClasses in interface CategoryAttribute
    
    Returns:
    
    A set containing the active property classes, or null if there are no properties.
  - remove
```
public void remove(Class<? extends CategoryProperty> propertyClass)
```
    Description copied from interface: CategoryAttribute
    
    Remove an property of a certain property class.
    
    Specified by:
    
    remove in interface CategoryAttribute
    
    Parameters:
    
    propertyClass - The required property class.

Class CategoryAttributeImpl

Field Summary

Fields inherited from class org.apache.lucene.util.AttributeImpl

Constructor Summary

Method Summary

Methods inherited from class org.apache.lucene.util.AttributeImpl

Methods inherited from class java.lang.Object

Field Detail

categoryPath

properties

Constructor Detail

CategoryAttributeImpl

CategoryAttributeImpl

Method Detail

set

getCategoryPath

setCategoryPath

addProperty

getProperty

getProperty

copyTo

clone

clear

clearProperties

equals

hashCode

getPropertyClasses

remove