Move dense_vector and sparse_vector to module (#43280)

docs/reference/mapping/types/dense-vector.asciidoc

@@ -1,3 +1,5 @@
+[role="xpack"]
+[testenv="basic"]
 [[dense-vector]]
 === Dense vector datatype
 

docs/reference/mapping/types/sparse-vector.asciidoc

@@ -1,3 +1,5 @@
+[role="xpack"]
+[testenv="basic"]
 [[sparse-vector]]
 === Sparse vector datatype
 

docs/reference/query-dsl/script-score-query.asciidoc

@@ -72,6 +72,8 @@ to be the most efficient by using the internal mechanisms.
 --------------------------------------------------
 // NOTCONSOLE
 
+[role="xpack"]
+[testenv="basic"]
 [[vector-functions]]
 ===== Functions for vector fields
 

docs/reference/rest-api/info.asciidoc

@@ -107,6 +107,10 @@ Example response:
          "available" : true,
          "enabled" : true
       },
+      "vectors" : {
+         "available" : true,
+         "enabled" : true
+      },
       "watcher" : {
          "available" : true,
          "enabled" : true

modules/lang-painless/src/test/resources/rest-api-spec/test/painless/71_context_api.yml

@@ -17,6 +17,6 @@
     - match: { classes.6.methods.0.parameters.0 : java.lang.CharSequence }
     - match: { classes.6.methods.0.parameters.1 : int }
     - match: { classes.6.methods.0.parameters.2 : int }
-    - match: { imported_methods.0.name: dotProduct }
-    - match: { class_bindings.0.name: cosineSimilarity }
+    - match: { imported_methods.0.name: saturation }
+    - match: { class_bindings.0.name: decayDateExp }
     - match: { instance_bindings: [] }

modules/mapper-extras/src/main/java/org/elasticsearch/index/mapper/MapperExtrasPlugin.java

@@ -39,8 +39,6 @@ public Map<String, Mapper.TypeParser> getMappers() {
         mappers.put(TokenCountFieldMapper.CONTENT_TYPE, new TokenCountFieldMapper.TypeParser());
         mappers.put(RankFeatureFieldMapper.CONTENT_TYPE, new RankFeatureFieldMapper.TypeParser());
         mappers.put(RankFeaturesFieldMapper.CONTENT_TYPE, new RankFeaturesFieldMapper.TypeParser());
-        mappers.put(DenseVectorFieldMapper.CONTENT_TYPE, new DenseVectorFieldMapper.TypeParser());
-        mappers.put(SparseVectorFieldMapper.CONTENT_TYPE, new SparseVectorFieldMapper.TypeParser());
         mappers.put(SearchAsYouTypeFieldMapper.CONTENT_TYPE, new SearchAsYouTypeFieldMapper.TypeParser());
         return Collections.unmodifiableMap(mappers);
     }

x-pack/plugin/core/src/main/java/org/elasticsearch/license/XPackLicenseState.java

@@ -687,6 +687,15 @@ public synchronized boolean isJdbcAllowed() {
         return licensed && localStatus.active;
     }
 
+    /**
+     * Determine if Vectors support should be enabled.
+     * <p>
+     *  Vectors is available for all license types except {@link OperationMode#MISSING}
+     */
+    public synchronized boolean isVectorsAllowed() {
+        return status.active;
+    }
+
     /**
      * Determine if ODBC support should be enabled.
      * <p>

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackClientPlugin.java

@@ -184,6 +184,7 @@
 import org.elasticsearch.xpack.core.ssl.action.GetCertificateInfoAction;
 import org.elasticsearch.xpack.core.upgrade.actions.IndexUpgradeAction;
 import org.elasticsearch.xpack.core.upgrade.actions.IndexUpgradeInfoAction;
+import org.elasticsearch.xpack.core.vectors.VectorsFeatureSetUsage;
 import org.elasticsearch.xpack.core.watcher.WatcherFeatureSetUsage;
 import org.elasticsearch.xpack.core.watcher.WatcherMetaData;
 import org.elasticsearch.xpack.core.watcher.transport.actions.ack.AckWatchAction;
@@ -465,7 +466,9 @@ public List<NamedWriteableRegistry.Entry> getNamedWriteables() {
                 new NamedWriteableRegistry.Entry(XPackFeatureSet.Usage.class, XPackField.DATA_FRAME, DataFrameFeatureSetUsage::new),
                 new NamedWriteableRegistry.Entry(PersistentTaskParams.class, DataFrameField.TASK_NAME, DataFrameTransform::new),
                 new NamedWriteableRegistry.Entry(Task.Status.class, DataFrameField.TASK_NAME, DataFrameTransformState::new),
-                new NamedWriteableRegistry.Entry(PersistentTaskState.class, DataFrameField.TASK_NAME, DataFrameTransformState::new)
+                new NamedWriteableRegistry.Entry(PersistentTaskState.class, DataFrameField.TASK_NAME, DataFrameTransformState::new),
+                // Vectors
+                new NamedWriteableRegistry.Entry(XPackFeatureSet.Usage.class, XPackField.VECTORS, VectorsFeatureSetUsage::new)
         );
     }
 

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackField.java

@@ -37,6 +37,8 @@ public final class XPackField {
     public static final String CCR = "ccr";
     /** Name constant for the data frame feature. */
     public static final String DATA_FRAME = "data_frame";
+    /** Name constant for the vectors feature. */
+    public static final String VECTORS = "vectors";
 
     private XPackField() {}
 

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackSettings.java

@@ -119,6 +119,9 @@ private XPackSettings() {
     /** Setting for enabling or disabling sql. Defaults to true. */
     public static final Setting<Boolean> SQL_ENABLED = Setting.boolSetting("xpack.sql.enabled", true, Setting.Property.NodeScope);
 
+    /** Setting for enabling or disabling vectors. Defaults to true. */
+    public static final Setting<Boolean> VECTORS_ENABLED = Setting.boolSetting("xpack.vectors.enabled", true, Setting.Property.NodeScope);
+
     public static final List<String> DEFAULT_SUPPORTED_PROTOCOLS;
 
     static {
@@ -249,6 +252,7 @@ public static List<Setting<?>> getAllSettings() {
         settings.add(PASSWORD_HASHING_ALGORITHM);
         settings.add(INDEX_LIFECYCLE_ENABLED);
         settings.add(DATA_FRAME_ENABLED);
+        settings.add(VECTORS_ENABLED);
         return Collections.unmodifiableList(settings);
     }
 

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/vectors/VectorsFeatureSetUsage.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+package org.elasticsearch.xpack.core.vectors;
+
+import org.elasticsearch.common.io.stream.StreamInput;
+import org.elasticsearch.xpack.core.XPackFeatureSet;
+import org.elasticsearch.xpack.core.XPackField;
+
+import java.io.IOException;
+
+public class VectorsFeatureSetUsage extends XPackFeatureSet.Usage {
+
+    public VectorsFeatureSetUsage(StreamInput input) throws IOException {
+        super(input);
+    }
+
+    public VectorsFeatureSetUsage(boolean available, boolean enabled) {
+        super(XPackField.VECTORS, available, enabled);
+    }
+}

x-pack/plugin/vectors/build.gradle

@@ -0,0 +1,22 @@
+evaluationDependsOn(xpackModule('core'))
+
+apply plugin: 'elasticsearch.esplugin'
+
+esplugin {
+    name 'vectors'
+    description 'A plugin for working with vectors'
+    classname 'org.elasticsearch.xpack.vectors.Vectors'
+    extendedPlugins = ['x-pack-core', 'lang-painless']
+}
+archivesBaseName = 'x-pack-vectors'
+
+dependencies {
+    compileOnly project(':modules:lang-painless:spi')
+    compileOnly project(path: xpackModule('core'), configuration: 'default')
+    testCompile project(path: xpackModule('core'), configuration: 'testArtifacts')
+    if (isEclipse) {
+        testCompile project(path: xpackModule('core-tests'), configuration: 'testArtifacts')
+    }
+}
+
+integTest.enabled = false

x-pack/plugin/vectors/src/main/java/org/elasticsearch/xpack/vectors/Vectors.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+package org.elasticsearch.xpack.vectors;
+
+import org.elasticsearch.common.inject.Module;
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.index.mapper.Mapper;
+import org.elasticsearch.plugins.MapperPlugin;
+import org.elasticsearch.plugins.Plugin;
+import org.elasticsearch.xpack.core.XPackPlugin;
+import org.elasticsearch.xpack.core.XPackSettings;
+import org.elasticsearch.xpack.vectors.mapper.DenseVectorFieldMapper;
+import org.elasticsearch.xpack.vectors.mapper.SparseVectorFieldMapper;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import static java.util.Collections.emptyMap;
+
+public class Vectors extends Plugin implements MapperPlugin {
+
+    public static final String NAME = "vectors";
+    protected final boolean enabled;
+
+    public Vectors(Settings settings) {
+        this.enabled = XPackSettings.VECTORS_ENABLED.get(settings);
+    }
+
+    public Collection<Module> createGuiceModules() {
+        return Collections.singletonList(b -> {
+            XPackPlugin.bindFeatureSet(b, VectorsFeatureSet.class);
+        });
+    }
+
+    @Override
+    public Map<String, Mapper.TypeParser> getMappers() {
+        if (enabled == false) {
+            return emptyMap();
+        }
+        Map<String, Mapper.TypeParser> mappers = new LinkedHashMap<>();
+        mappers.put(DenseVectorFieldMapper.CONTENT_TYPE, new DenseVectorFieldMapper.TypeParser());
+        mappers.put(SparseVectorFieldMapper.CONTENT_TYPE, new SparseVectorFieldMapper.TypeParser());
+        return Collections.unmodifiableMap(mappers);
+    }
+}