Package org.elasticsearch.xpack.esql.plan.logical.promql.selector

Class LabelMatchers

java.lang.Object

org.elasticsearch.xpack.esql.plan.logical.promql.selector.LabelMatchers

All Implemented Interfaces:

NodeStringRenderable

public class LabelMatchers
extends Object
implements NodeStringRenderable

Immutable collection of label matchers for a PromQL selector.

Field Summary

Fields

Modifier and Type	Field	Description
static final LabelMatchers	EMPTY	Empty label matchers for literal selectors and other cases with no label constraints.

Constructor Summary

Constructors

Constructor	Description
LabelMatchers(List<LabelMatcher> labelMatchers)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	hashCode()
boolean	isEmpty()
List<LabelMatcher>	matchers()
LabelMatcher	nameLabel()
void	nodeString(StringBuilder sb, Node.NodeStringFormat format, NodeStringMapper mapper)	Renders the matcher list shape ([m1, m2], matching List.toString()) with each matcher routed through the mapper, so label names + match values tokenize under anonymization while identity rendering stays byte-identical.
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

EMPTY

public static final LabelMatchers EMPTY

Empty label matchers for literal selectors and other cases with no label constraints.

Constructor Details

LabelMatchers

public LabelMatchers(List<LabelMatcher> labelMatchers)

Method Details

matchers

public List<LabelMatcher> matchers()

nameLabel

public LabelMatcher nameLabel()

isEmpty

public boolean isEmpty()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

nodeString

public void nodeString(StringBuilder sb,
 Node.NodeStringFormat format,
 NodeStringMapper mapper)

Renders the matcher list shape ([m1, m2], matching List.toString()) with each matcher routed through the mapper, so label names + match values tokenize under anonymization while identity rendering stays byte-identical.

Specified by:

nodeString in interface NodeStringRenderable