From f6255962952390fa956547abdedaf3a37f294dc6 Mon Sep 17 00:00:00 2001
From: duncanpo <dpo@mathworks.com>
Date: Fri, 16 Jan 2026 11:35:55 -0500
Subject: [PATCH] change exporters, processors, samplers into handle classes.
 Fixes #202

---
 sdk/logs/+opentelemetry/+sdk/+logs/LogRecordExporter.m        | 4 ++--
 sdk/logs/+opentelemetry/+sdk/+logs/LogRecordProcessor.m       | 4 ++--
 sdk/metrics/+opentelemetry/+sdk/+metrics/MetricExporter.m     | 4 ++--
 .../+sdk/+metrics/PeriodicExportingMetricReader.m             | 4 ++--
 sdk/metrics/+opentelemetry/+sdk/+metrics/View.m               | 4 ++--
 sdk/trace/+opentelemetry/+sdk/+trace/Sampler.m                | 4 ++--
 sdk/trace/+opentelemetry/+sdk/+trace/SpanExporter.m           | 4 ++--
 7 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordExporter.m b/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordExporter.m
index f878679..a19af52 100644
--- a/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordExporter.m
+++ b/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordExporter.m
@@ -1,7 +1,7 @@
-classdef LogRecordExporter
+classdef LogRecordExporter < handle
 % Base class of log record exporters
 
-% Copyright 2024 The MathWorks, Inc.
+% Copyright 2024-2026 The MathWorks, Inc.
 
     properties (GetAccess={?opentelemetry.sdk.logs.LogRecordProcessor, ...
             ?opentelemetry.exporters.otlp.OtlpHttpLogRecordExporter, ...
diff --git a/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordProcessor.m b/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordProcessor.m
index 68ab022..91bb988 100644
--- a/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordProcessor.m
+++ b/sdk/logs/+opentelemetry/+sdk/+logs/LogRecordProcessor.m
@@ -1,7 +1,7 @@
-classdef LogRecordProcessor < matlab.mixin.Heterogeneous
+classdef LogRecordProcessor < matlab.mixin.Heterogeneous & handle
 % Base class of log record processors
 
-% Copyright 2024 The MathWorks, Inc.
+% Copyright 2024-2026 The MathWorks, Inc.
 
     properties (GetAccess={?opentelemetry.sdk.logs.LoggerProvider,...
 		    ?opentelemetry.sdk.logs.BatchLogRecordProcessor})
diff --git a/sdk/metrics/+opentelemetry/+sdk/+metrics/MetricExporter.m b/sdk/metrics/+opentelemetry/+sdk/+metrics/MetricExporter.m
index 7415385..198532b 100644
--- a/sdk/metrics/+opentelemetry/+sdk/+metrics/MetricExporter.m
+++ b/sdk/metrics/+opentelemetry/+sdk/+metrics/MetricExporter.m
@@ -1,7 +1,7 @@
-classdef MetricExporter
+classdef MetricExporter < handle
 % Base class of metric exporters
 
-% Copyright 2023-2024 The MathWorks, Inc.
+% Copyright 2023-2026 The MathWorks, Inc.
 
     properties
         PreferredAggregationTemporality (1,1) string = "cumulative"   % Preferred Aggregation Temporality
diff --git a/sdk/metrics/+opentelemetry/+sdk/+metrics/PeriodicExportingMetricReader.m b/sdk/metrics/+opentelemetry/+sdk/+metrics/PeriodicExportingMetricReader.m
index d3d38ec..948a3bc 100644
--- a/sdk/metrics/+opentelemetry/+sdk/+metrics/PeriodicExportingMetricReader.m
+++ b/sdk/metrics/+opentelemetry/+sdk/+metrics/PeriodicExportingMetricReader.m
@@ -1,8 +1,8 @@
-classdef PeriodicExportingMetricReader < matlab.mixin.Heterogeneous
+classdef PeriodicExportingMetricReader < matlab.mixin.Heterogeneous & handle
 % Periodic exporting metric reader passes collected metrics to an exporter
 % periodically at a fixed time interval.
 
-% Copyright 2023-2024 The MathWorks, Inc.
+% Copyright 2023-2026 The MathWorks, Inc.
 
     properties (GetAccess=?opentelemetry.sdk.metrics.MeterProvider)
         Proxy  % Proxy object to interface C++ code
diff --git a/sdk/metrics/+opentelemetry/+sdk/+metrics/View.m b/sdk/metrics/+opentelemetry/+sdk/+metrics/View.m
index 47f699d..77d80e4 100644
--- a/sdk/metrics/+opentelemetry/+sdk/+metrics/View.m
+++ b/sdk/metrics/+opentelemetry/+sdk/+metrics/View.m
@@ -1,4 +1,4 @@
-classdef View
+classdef View < handle
     % View enables customization of output metrics. Supported customization
     % includes:
     %   * Metric name
@@ -7,7 +7,7 @@
     %   * Ignore unwanted instruments
     %   * Ignore unwanted attributes
 
-    % Copyright 2023-2025 The MathWorks, Inc.
+    % Copyright 2023-2026 The MathWorks, Inc.
 
     properties (GetAccess={?opentelemetry.sdk.metrics.MeterProvider})
         Proxy  % Proxy object to interface C++ code
diff --git a/sdk/trace/+opentelemetry/+sdk/+trace/Sampler.m b/sdk/trace/+opentelemetry/+sdk/+trace/Sampler.m
index 397f310..7c74d95 100644
--- a/sdk/trace/+opentelemetry/+sdk/+trace/Sampler.m
+++ b/sdk/trace/+opentelemetry/+sdk/+trace/Sampler.m
@@ -1,7 +1,7 @@
-classdef Sampler
+classdef Sampler < handle
 % Base class for samplers.
 
-% Copyright 2023 The MathWorks, Inc.
+% Copyright 2023-2026 The MathWorks, Inc.
 
     properties (GetAccess={?opentelemetry.sdk.trace.TracerProvider,...
             ?opentelemetry.sdk.trace.ParentBasedSampler, ...
diff --git a/sdk/trace/+opentelemetry/+sdk/+trace/SpanExporter.m b/sdk/trace/+opentelemetry/+sdk/+trace/SpanExporter.m
index 42f4e00..5e7daba 100644
--- a/sdk/trace/+opentelemetry/+sdk/+trace/SpanExporter.m
+++ b/sdk/trace/+opentelemetry/+sdk/+trace/SpanExporter.m
@@ -1,7 +1,7 @@
-classdef SpanExporter
+classdef SpanExporter < handle
 % Base class of span exporters
 
-% Copyright 2023-2024 The MathWorks, Inc.
+% Copyright 2023-2026 The MathWorks, Inc.
 
     properties (Hidden, GetAccess={?opentelemetry.sdk.trace.SpanProcessor, ...
             ?opentelemetry.exporters.otlp.OtlpHttpSpanExporter, ...