Add shouldApply to ResourceProvider interface

docs/apidiffs/current_vs_latest/opentelemetry-sdk-extension-autoconfigure-spi.txt

@@ -1,2 +1,4 @@
 Comparing source compatibility of  against 
-No changes.
+***! MODIFIED INTERFACE: PUBLIC ABSTRACT io.opentelemetry.sdk.autoconfigure.spi.ResourceProvider  (not serializable)
+	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
+	+++! NEW METHOD: PUBLIC(+) boolean shouldApply(io.opentelemetry.sdk.autoconfigure.spi.ConfigProperties, io.opentelemetry.sdk.resources.Resource)

sdk-extensions/autoconfigure-spi/src/main/java/io/opentelemetry/sdk/autoconfigure/spi/ResourceProvider.java

@@ -14,4 +14,16 @@
 public interface ResourceProvider extends Ordered {
 
   Resource createResource(ConfigProperties config);
+
+  /**
+   * If an implementation needs to apply only under certain conditions related to the config or the
+   * existing state of the Resource being built, they can choose to override this default.
+   *
+   * @param config The auto configuration properties
+   * @param existing The current state of the Resource being created
+   * @return false to skip over this ResourceProvider, or true to use it
+   */
+  default boolean shouldApply(ConfigProperties config, Resource existing) {
+    return true;
+  }
 }

sdk-extensions/autoconfigure/src/main/java/io/opentelemetry/sdk/autoconfigure/ResourceConfiguration.java

@@ -46,7 +46,9 @@ static Resource configureResource(
       if (disabledProviders.contains(resourceProvider.getClass().getName())) {
         continue;
       }
-      result = result.merge(resourceProvider.createResource(config));
+      if (resourceProvider.shouldApply(config, result)) {
+        result = result.merge(resourceProvider.createResource(config));
+      }
     }
 
     result = result.merge(createEnvironmentResource(config));