Remove yet more ContextManagers references.

Signed-off-by: Sjoerd Talsma <[email protected]>

context-propagation-api/src/main/java/nl/talsmasoftware/context/api/ContextSnapshot.java

@@ -25,8 +25,7 @@
  * ensuring that all context values are set in that other thread.
  *
  * <p>
- * A snapshot can be obtained from the {@code ContextManagers} utility class for interaction with all registered
- * {@link ContextManager} implementations.
+ * A snapshot can be obtained from {@linkplain #capture()} method.
  *
  * <p>
  * This library contains several utility classes named {@code ContextAware...} or {...WithContext} that will

context-propagation-api/src/main/java/nl/talsmasoftware/context/api/ContextSnapshotImpl.java

@@ -49,7 +49,7 @@ private ContextSnapshotImpl() {
         }
         if (managers.isEmpty() && SNAPSHOT_LOGGER.isLoggable(Level.FINER)) {
             final Thread currentThread = Thread.currentThread();
-            SNAPSHOT_LOGGER.finer(this + " was created but no ContextManagers were found! Thread="
+            SNAPSHOT_LOGGER.finer(this + " was created but no context managers were found! Thread="
                     + currentThread.getName() + ", ContextClassLoader=" + currentThread.getContextClassLoader());
         }
     }

context-propagation-core/src/main/java/nl/talsmasoftware/context/core/package-info.java

@@ -69,18 +69,6 @@
  *     </ul>
  * </ul>
  *
- * <h2>{@linkplain nl.talsmasoftware.context.core.ContextManagers ContextManagers}</h2>
- * <p>
- * Utility class to interact with all detected {@linkplain nl.talsmasoftware.context.api.ContextManager ContextManager}
- * implementations at once, combining all
- * their {@linkplain nl.talsmasoftware.context.api.ContextManager#getActiveContextValue() active context values}
- * into a single {@linkplain nl.talsmasoftware.context.api.ContextSnapshot context snapshot} that can be reactivated
- * in another thread.
- * <p>
- * Although this utility class is public and it is allowed to interact with it,
- * it is advised to use one of the <em>ContextAware..</em> or <em>..WithContext</em> classes instead.<br>
- * They make it much easier to close the reactivated snapshot again in a proper manner.
- *
  * @author Sjoerd Talsma
  */
 package nl.talsmasoftware.context.core;

managers/context-manager-opentelemetry/src/main/java/nl/talsmasoftware/context/managers/opentelemetry/OpenTelemetryContextManager.java

@@ -35,7 +35,8 @@
  *
  * <p>
  * There is no need to instantiate the context manager yourself.
- * Including it on the classpath will allow the {@code ContextManagers} class to detect it automatically.
+ * Including it on the classpath will allow the API to automatically include it in
+ * {@linkplain nl.talsmasoftware.context.api.ContextSnapshot context snapshots}.
  */
 public class OpenTelemetryContextManager implements ContextManager<io.opentelemetry.context.Context> {
     private static final OpenTelemetryContextManager INSTANCE = new OpenTelemetryContextManager();

timers/context-timer-opentelemetry/src/main/java/nl/talsmasoftware/context/timers/opentelemetry/OpenTelemetryContextTimer.java

@@ -93,7 +93,6 @@ private static String readVersion() {
     }
 
     private static boolean mustTrace(Class<?> type) {
-        return ContextSnapshot.class.isAssignableFrom(type)
-                || "nl.talsmasoftware.context.core.ContextManagers".equals(type.getName());
+        return ContextSnapshot.class.isAssignableFrom(type);
     }
 }