com.netflix.spectator.atlas.impl

Class Query.Regex

java.lang.Object

com.netflix.spectator.atlas.impl.Query.Regex

All Implemented Interfaces:

Query

Enclosing interface:

Query

public static final class Query.Regex
extends java.lang.Object
implements Query

Query that matches if the tag map contains key k with a value that matches the regex in v. The expression will be automatically anchored to the start to encourage prefix matches.

Warning: regular expressions are often expensive and can add a lot of overhead. Use them sparingly.

Nested Class Summary

Nested classes/interfaces inherited from interface com.netflix.spectator.atlas.impl.Query

Query.And, Query.Equal, Query.GreaterThan, Query.GreaterThanEqual, Query.Has, Query.In, Query.LessThan, Query.LessThanEqual, Query.Not, Query.Or, Query.Regex

Field Summary

Fields inherited from interface com.netflix.spectator.atlas.impl.Query

FALSE, TRUE

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
int	hashCode()
boolean	matches(java.util.Map<java.lang.String,java.lang.String> tags) Check to see if this query matches a set of tags.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.netflix.spectator.atlas.impl.Query

and, exactTags, matches, not, or, toMap

Method Detail

matches

public boolean matches(java.util.Map<java.lang.String,java.lang.String> tags)

Description copied from interface: Query

Check to see if this query matches a set of tags. Common tags or changes to fix invalid characters should be performed prior to checking for a match.

Specified by:

matches in interface Query

Parameters:

tags - Tags to use when checking for a match.

Returns:

True if the query expression matches the tag map.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object