org.apache.kafka.common.resource

Class ResourcePatternFilter

java.lang.Object

org.apache.kafka.common.resource.ResourcePatternFilter

@InterfaceStability.Evolving
public class ResourcePatternFilter
extends Object

Represents a filter that can match ResourcePattern.

The API for this class is still evolving and we may break compatibility in minor releases, if necessary.

Field Summary

Fields

Modifier and Type	Field and Description
static ResourcePatternFilter	ANY Matches any resource pattern.

Constructor Summary

Constructors

Constructor and Description
ResourcePatternFilter(ResourceType resourceType, String name, PatternType patternType) Create a filter using the supplied parameters.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
String	findIndefiniteField()
int	hashCode()
boolean	isUnknown()
boolean	matches(ResourcePattern pattern)
boolean	matchesAtMostOne()
String	name()
PatternType	patternType()
ResourceType	resourceType()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ANY

public static final ResourcePatternFilter ANY

Matches any resource pattern.

Constructor Detail

ResourcePatternFilter

public ResourcePatternFilter(ResourceType resourceType,
                             String name,
                             PatternType patternType)

Create a filter using the supplied parameters.

Parameters:

resourceType - non-null resource type. If ResourceType.ANY, the filter will ignore the resource type of the pattern. If any other resource type, the filter will match only patterns with the same type.

name - resource name or null. If null, the filter will ignore the name of resources. If ResourcePattern.WILDCARD_RESOURCE, will match only wildcard patterns.

patternType - non-null resource pattern type. If PatternType.ANY, the filter will match patterns regardless of pattern type. If PatternType.MATCH, the filter will match patterns that would match the supplied name, including a matching prefixed and wildcards patterns. If any other resource pattern type, the filter will match only patterns with the same type.

Method Detail

isUnknown

public boolean isUnknown()

Returns:

true if this filter has any UNKNOWN components.

resourceType

public ResourceType resourceType()

Returns:

the specific resource type this pattern matches

name

public String name()

Returns:

the resource name.

patternType

public PatternType patternType()

Returns:

the resource pattern type.

matches

public boolean matches(ResourcePattern pattern)

Returns:

true if this filter matches the given pattern.

matchesAtMostOne

public boolean matchesAtMostOne()

Returns:

true if this filter could only match one pattern. In other words, if there are no ANY or UNKNOWN fields.

findIndefiniteField

public String findIndefiniteField()

Returns:

a string describing any ANY or UNKNOWN field, or null if there is no such field.

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object