[BWC and API enforcement] Decorate the existing APIs with proper anno…

…tations (part 1) (opensearch-project#9520) * [BWC and API enforcement] Decorate the existing APIs with proper annotations (part 1) Signed-off-by: Andriy Redko <[email protected]> * Address code review comments Signed-off-by: Andriy Redko <[email protected]> --------- Signed-off-by: Andriy Redko <[email protected]>
reta · Aug 30, 2023 · 78eea27 · 78eea27
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -90,6 +90,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - [Feature] Expose term frequency in Painless script score context ([#9081](https://github.com/opensearch-project/OpenSearch/pull/9081))
 - Add support for reading partial files to HDFS repository ([#9513](https://github.com/opensearch-project/OpenSearch/issues/9513))
 - Add support for extensions to search responses using SearchExtBuilder ([#9379](https://github.com/opensearch-project/OpenSearch/pull/9379)) 
+- [BWC and API enforcement] Decorate the existing APIs with proper annotations (part 1) ([#9520](https://github.com/opensearch-project/OpenSearch/pull/9520))
 
 ### Dependencies
 - Bump `org.apache.logging.log4j:log4j-core` from 2.17.1 to 2.20.0 ([#8307](https://github.com/opensearch-project/OpenSearch/pull/8307))

diff --git a/libs/common/src/main/java/org/opensearch/common/CheckedConsumer.java b/libs/common/src/main/java/org/opensearch/common/CheckedConsumer.java
@@ -32,13 +32,16 @@
 
 package org.opensearch.common;
 
+import org.opensearch.common.annotation.PublicApi;
+
 import java.util.function.Consumer;
 
 /**
  * A {@link Consumer}-like interface which allows throwing checked exceptions.
  *
  * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 @FunctionalInterface
 public interface CheckedConsumer<T, E extends Exception> {
     void accept(T t) throws E;

diff --git a/libs/common/src/main/java/org/opensearch/common/action/ActionFuture.java b/libs/common/src/main/java/org/opensearch/common/action/ActionFuture.java
@@ -32,6 +32,7 @@
 
 package org.opensearch.common.action;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.common.unit.TimeValue;
 
 import java.util.concurrent.Future;
@@ -42,6 +43,7 @@
  *
  * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public interface ActionFuture<T> extends Future<T> {
 
     /**

diff --git a/libs/common/src/main/java/org/opensearch/common/lifecycle/Lifecycle.java b/libs/common/src/main/java/org/opensearch/common/lifecycle/Lifecycle.java
@@ -32,6 +32,8 @@
 
 package org.opensearch.common.lifecycle;
 
+import org.opensearch.common.annotation.PublicApi;
+
 /**
  * Lifecycle state. Allows the following transitions:
  * <ul>
@@ -73,15 +75,17 @@
  * }
  * </pre>
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public class Lifecycle {
 
     /**
      * State in the lifecycle
      *
-     * @opensearch.internal
+     * @opensearch.api
      */
+    @PublicApi(since = "1.0.0")
     public enum State {
         INITIALIZED,
         STOPPED,

diff --git a/libs/common/src/main/java/org/opensearch/common/lifecycle/LifecycleComponent.java b/libs/common/src/main/java/org/opensearch/common/lifecycle/LifecycleComponent.java
@@ -32,13 +32,15 @@
 
 package org.opensearch.common.lifecycle;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.common.lease.Releasable;
 
 /**
  * Base interface for a lifecycle component.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public interface LifecycleComponent extends Releasable {
 
     Lifecycle.State lifecycleState();

diff --git a/libs/common/src/main/java/org/opensearch/common/unit/TimeValue.java b/libs/common/src/main/java/org/opensearch/common/unit/TimeValue.java
@@ -32,6 +32,8 @@
 
 package org.opensearch.common.unit;
 
+import org.opensearch.common.annotation.PublicApi;
+
 import java.util.Locale;
 import java.util.Objects;
 import java.util.concurrent.TimeUnit;
@@ -41,6 +43,7 @@
  *
  * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public class TimeValue implements Comparable<TimeValue> {
 
     /** How many nano-seconds in one milli-second */

diff --git a/libs/core/src/main/java/org/opensearch/Version.java b/libs/core/src/main/java/org/opensearch/Version.java
@@ -33,6 +33,7 @@
 package org.opensearch;
 
 import org.opensearch.common.SuppressForbidden;
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.xcontent.ToXContentFragment;
 import org.opensearch.core.xcontent.XContentBuilder;
 
@@ -50,6 +51,7 @@
  *
  * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public class Version implements Comparable<Version>, ToXContentFragment {
     /*
      * The logic for ID is: XXYYZZAA, where XX is major version, YY is minor version, ZZ is revision, and AA is alpha/beta/rc indicator AA

diff --git a/libs/core/src/main/java/org/opensearch/core/ParseField.java b/libs/core/src/main/java/org/opensearch/core/ParseField.java
@@ -31,6 +31,7 @@
 
 package org.opensearch.core;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.xcontent.DeprecationHandler;
 import org.opensearch.core.xcontent.XContentLocation;
 
@@ -43,7 +44,11 @@
 /**
  * Holds a field that can be found in a request while parsing and its different
  * variants, which may be deprecated.
+ *
+ * @opensearch.api
+ *
  */
+@PublicApi(since = "1.0.0")
 public class ParseField {
     private final String name;
     private final String[] deprecatedNames;

diff --git a/libs/core/src/main/java/org/opensearch/core/action/ActionListener.java b/libs/core/src/main/java/org/opensearch/core/action/ActionListener.java
@@ -37,6 +37,7 @@
 import org.opensearch.common.CheckedFunction;
 import org.opensearch.common.CheckedRunnable;
 import org.opensearch.common.CheckedSupplier;
+import org.opensearch.common.annotation.PublicApi;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -48,6 +49,7 @@
  *
  * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public interface ActionListener<Response> {
     /**
      * Handle action response. This response may constitute a failure or a

diff --git a/libs/core/src/main/java/org/opensearch/core/common/bytes/BytesReference.java b/libs/core/src/main/java/org/opensearch/core/common/bytes/BytesReference.java
@@ -35,6 +35,7 @@
 import org.apache.lucene.util.ArrayUtil;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.BytesRefIterator;
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.common.io.stream.BytesStream;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.util.ByteArray;
@@ -50,8 +51,9 @@
 /**
  * A reference to bytes.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public interface BytesReference extends Comparable<BytesReference>, ToXContentFragment {
 
     /**

diff --git a/libs/core/src/main/java/org/opensearch/core/common/io/stream/NamedWriteableRegistry.java b/libs/core/src/main/java/org/opensearch/core/common/io/stream/NamedWriteableRegistry.java
@@ -32,6 +32,8 @@
 
 package org.opensearch.core.common.io.stream;
 
+import org.opensearch.common.annotation.PublicApi;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -45,15 +47,17 @@
  * The registration is keyed by the combination of the category class of {@link NamedWriteable}, and a name unique
  * to that category.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public class NamedWriteableRegistry {
 
     /**
      * An entry in the registry, made up of a category class and name, and a reader for that category class.
      *
-     * @opensearch.internal
+     * @opensearch.api
      */
+    @PublicApi(since = "1.0.0")
     public static class Entry {
 
         /** The superclass of a {@link NamedWriteable} which will be read by {@link #reader}. */

diff --git a/libs/core/src/main/java/org/opensearch/core/common/io/stream/StreamInput.java b/libs/core/src/main/java/org/opensearch/core/common/io/stream/StreamInput.java
@@ -46,6 +46,7 @@
 import org.opensearch.Version;
 import org.opensearch.common.CharArrays;
 import org.opensearch.common.Nullable;
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.common.unit.TimeValue;
 import org.opensearch.core.common.Strings;
 import org.opensearch.core.common.bytes.BytesArray;
@@ -104,8 +105,9 @@
  * lists, either by storing {@code List}s internally or just converting to and from a {@code List} when calling. This comment is repeated
  * on {@link StreamInput}.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public abstract class StreamInput extends InputStream {
 
     private Version version = Version.CURRENT;

diff --git a/libs/core/src/main/java/org/opensearch/core/common/io/stream/StreamOutput.java b/libs/core/src/main/java/org/opensearch/core/common/io/stream/StreamOutput.java
@@ -45,6 +45,7 @@
 import org.opensearch.Version;
 import org.opensearch.common.CharArrays;
 import org.opensearch.common.Nullable;
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.common.unit.TimeValue;
 import org.opensearch.core.common.bytes.BytesArray;
 import org.opensearch.core.common.bytes.BytesReference;
@@ -96,8 +97,9 @@
  * lists, either by storing {@code List}s internally or just converting to and from a {@code List} when calling. This comment is repeated
  * on {@link StreamInput}.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public abstract class StreamOutput extends OutputStream {
 
     private static final int MAX_NESTED_EXCEPTION_LEVEL = 100;

diff --git a/libs/core/src/main/java/org/opensearch/core/common/settings/SecureString.java b/libs/core/src/main/java/org/opensearch/core/common/settings/SecureString.java
@@ -32,15 +32,18 @@
 
 package org.opensearch.core.common.settings;
 
+import org.opensearch.common.annotation.PublicApi;
+
 import java.io.Closeable;
 import java.util.Arrays;
 import java.util.Objects;
 
 /**
  * A String implementations which allows clearing the underlying char array.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public final class SecureString implements CharSequence, Closeable {
 
     private char[] chars;

diff --git a/libs/core/src/main/java/org/opensearch/core/common/unit/ByteSizeUnit.java b/libs/core/src/main/java/org/opensearch/core/common/unit/ByteSizeUnit.java
@@ -32,6 +32,7 @@
 
 package org.opensearch.core.common.unit;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
 import org.opensearch.core.common.io.stream.Writeable;
@@ -45,8 +46,9 @@
  * helps organize and use size representations that may be maintained
  * separately across various contexts.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public enum ByteSizeUnit implements Writeable {
     BYTES {
         @Override

diff --git a/libs/core/src/main/java/org/opensearch/core/common/unit/ByteSizeValue.java b/libs/core/src/main/java/org/opensearch/core/common/unit/ByteSizeValue.java
@@ -33,6 +33,7 @@
 package org.opensearch.core.common.unit;
 
 import org.opensearch.OpenSearchParseException;
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.common.Strings;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
@@ -47,8 +48,9 @@
 /**
  * A byte size value
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public class ByteSizeValue implements Writeable, Comparable<ByteSizeValue>, ToXContentFragment {
 
     public static final ByteSizeValue ZERO = new ByteSizeValue(0, ByteSizeUnit.BYTES);

diff --git a/libs/core/src/main/java/org/opensearch/core/index/Index.java b/libs/core/src/main/java/org/opensearch/core/index/Index.java
@@ -32,6 +32,7 @@
 
 package org.opensearch.core.index;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.ParseField;
 import org.opensearch.core.common.Strings;
 import org.opensearch.core.common.io.stream.StreamInput;
@@ -48,8 +49,9 @@
 /**
  * A value class representing the basic required properties of an OpenSearch index.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public class Index implements Writeable, ToXContentObject {
 
     public static final Index[] EMPTY_ARRAY = new Index[0];

diff --git a/libs/core/src/main/java/org/opensearch/core/index/shard/ShardId.java b/libs/core/src/main/java/org/opensearch/core/index/shard/ShardId.java
@@ -32,6 +32,7 @@
 
 package org.opensearch.core.index.shard;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.common.Strings;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
@@ -45,8 +46,9 @@
 /**
  * Allows for shard level components to be injected with the shard id.
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public class ShardId implements Comparable<ShardId>, ToXContentFragment, Writeable {
 
     private final Index index;

diff --git a/libs/core/src/main/java/org/opensearch/core/rest/RestStatus.java b/libs/core/src/main/java/org/opensearch/core/rest/RestStatus.java
@@ -32,6 +32,7 @@
 
 package org.opensearch.core.rest;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.action.ShardOperationFailedException;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
@@ -47,6 +48,7 @@
  *
  * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public enum RestStatus {
     /**
      * The client SHOULD continue with its request. This interim response is used to inform the client that the

diff --git a/libs/core/src/main/java/org/opensearch/core/tasks/TaskId.java b/libs/core/src/main/java/org/opensearch/core/tasks/TaskId.java
@@ -33,6 +33,7 @@
 package org.opensearch.core.tasks;
 
 import org.opensearch.OpenSearchParseException;
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.common.Strings;
 import org.opensearch.core.common.io.stream.StreamInput;
 import org.opensearch.core.common.io.stream.StreamOutput;
@@ -45,8 +46,9 @@
 /**
  * Task id that consists of node id and id of the task on the node
  *
- * @opensearch.internal
+ * @opensearch.api
  */
+@PublicApi(since = "1.0.0")
 public final class TaskId implements Writeable {
 
     public static final TaskId EMPTY_TASK_ID = new TaskId();

diff --git a/libs/core/src/main/java/org/opensearch/core/xcontent/MediaType.java b/libs/core/src/main/java/org/opensearch/core/xcontent/MediaType.java
@@ -32,6 +32,7 @@
 
 package org.opensearch.core.xcontent;
 
+import org.opensearch.common.annotation.PublicApi;
 import org.opensearch.core.common.io.stream.Writeable;
 
 import java.io.IOException;
@@ -42,7 +43,10 @@
  * Abstracts a <a href="http://en.wikipedia.org/wiki/Internet_media_type">Media Type</a> and a format parameter.
  * Media types are used as values on Content-Type and Accept headers
  * format is an URL parameter, specifies response media type.
+ *
+ * @opensearch.api
  */
+@PublicApi(since = "2.1.0")
 public interface MediaType extends Writeable {
     /**
      * Returns a type part of a MediaType