ConfigFilterHelper (grpc-gcp-observability 1.57.2 API)

java.lang.Object
- io.grpc.gcp.observability.interceptors.ConfigFilterHelper

```
@Internal
public class ConfigFilterHelper
extends java.lang.Object
```
Parses gRPC GcpObservability configuration filters for interceptors usage.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`ConfigFilterHelper.FilterParams`	Class containing results for method/service filter information, such as flag for logging method/service and payload limits to be used for filtering.

Field Summary

Fields
Modifier and Type Field Description

static ConfigFilterHelper.FilterParams NO_FILTER_PARAMS

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static ConfigFilterHelper`	`getInstance(ObservabilityConfig config)`	Creates and returns helper instance for log filtering.
`ConfigFilterHelper.FilterParams`	`logRpcMethod(java.lang.String fullMethodName, boolean client)`	Checks if the corresponding service/method passed needs to be logged according to user provided observability configuration.

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

- Field Detail
  - NO_FILTER_PARAMS
```
public static final ConfigFilterHelper.FilterParams NO_FILTER_PARAMS
```
- Method Detail
  - getInstance
```
public static ConfigFilterHelper getInstance(ObservabilityConfig config)
```
    Creates and returns helper instance for log filtering.
    
    Parameters:
    
    config - processed ObservabilityConfig object
    
    Returns:
    
    helper instance for filtering
  - logRpcMethod
```
public ConfigFilterHelper.FilterParams logRpcMethod(java.lang.String fullMethodName,
                                                    boolean client)
```
    Checks if the corresponding service/method passed needs to be logged according to user provided observability configuration. Filters are evaluated in text order, first match is used.
    
    Parameters:
    
    fullMethodName - the fully qualified name of the method
    
    client - set to true if method being checked is a client method; false otherwise
    
    Returns:
    
    FilterParams object 1. specifies if the corresponding method needs to be logged (log field will be set to true) 2. values of payload limits retrieved from configuration