feat(discovery-v1): document status & query aggregation update

DocumentStatus: documentID, status, and statusDescription are now optional. QueryAggregation:
BREAKING QueryAggregation subclasses changed.

BREAKING CHANGE: QueryAggregation: BREAKING QueryAggregation subclasses changed.

discovery/src/main/java/com/ibm/watson/discovery/v1/model/Enrichment.java

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright IBM Corp. 2017, 2020.
+ * (C) Copyright IBM Corp. 2022.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -237,16 +237,11 @@ public Boolean overwrite() {
   /**
    * Gets the enrichment.
    *
-   * <p>Name of the enrichment service to call. Current options are `natural_language_understanding`
-   * and `elements`.
+   * <p>Name of the enrichment service to call. The only supported option is
+   * `natural_language_understanding`. The `elements` option is deprecated and support ended on 10
+   * July 2020.
    *
-   * <p>When using `natual_language_understanding`, the **options** object must contain Natural
-   * Language Understanding options.
-   *
-   * <p>When using `elements` the **options** object must contain Element Classification options.
-   * Additionally, when using the `elements` enrichment the configuration specified and files
-   * ingested must meet all the criteria specified in [the
-   * documentation](https://cloud.ibm.com/docs/discovery?topic=discovery-element-classification#element-classification).
+   * <p>The **options** object must contain Natural Language Understanding options.
    *
    * @return the enrichment
    */
@@ -269,7 +264,11 @@ public Boolean ignoreDownstreamErrors() {
   /**
    * Gets the options.
    *
-   * <p>Options which are specific to a particular enrichment.
+   * <p>Options that are specific to a particular enrichment.
+   *
+   * <p>The `elements` enrichment type is deprecated. Use the [Create a
+   * project](https://cloud.ibm.com/apidocs/discovery-data#createproject) method of the Discovery v2
+   * API to create a `content_intelligence` project type instead.
    *
    * @return the options
    */

discovery/src/main/java/com/ibm/watson/discovery/v1/model/EnrichmentOptions.java

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright IBM Corp. 2017, 2021.
+ * (C) Copyright IBM Corp. 2022.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -14,7 +14,13 @@
 
 import com.ibm.cloud.sdk.core.service.model.GenericModel;
 
-/** Options which are specific to a particular enrichment. */
+/**
+ * Options that are specific to a particular enrichment.
+ *
+ * <p>The `elements` enrichment type is deprecated. Use the [Create a
+ * project](https://cloud.ibm.com/apidocs/discovery-data#createproject) method of the Discovery v2
+ * API to create a `content_intelligence` project type instead.
+ */
 public class EnrichmentOptions extends GenericModel {
 
   /**
@@ -151,8 +157,8 @@ public String language() {
   /**
    * Gets the model.
    *
-   * <p>For use with `elements` enrichments only. The element extraction model to use. The only
-   * model available is `contract`.
+   * <p>The element extraction model to use, which can be `contract` only. The `elements` enrichment
+   * is deprecated.
    *
    * @return the model
    */

discovery/src/main/java/com/ibm/watson/discovery/v1/model/QueryAggregation.java

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright IBM Corp. 2019, 2020.
+ * (C) Copyright IBM Corp. 2022.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -12,9 +12,7 @@
  */
 package com.ibm.watson.discovery.v1.model;
 
-import com.google.gson.annotations.SerializedName;
 import com.ibm.cloud.sdk.core.service.model.GenericModel;
-import java.util.List;
 
 /** An aggregation produced by Discovery to analyze the input provided. */
 public class QueryAggregation extends GenericModel {
@@ -25,26 +23,20 @@ public class QueryAggregation extends GenericModel {
 
   static {
     discriminatorMapping = new java.util.HashMap<>();
-    discriminatorMapping.put("histogram", Histogram.class);
-    discriminatorMapping.put("max", Calculation.class);
-    discriminatorMapping.put("min", Calculation.class);
-    discriminatorMapping.put("average", Calculation.class);
-    discriminatorMapping.put("sum", Calculation.class);
-    discriminatorMapping.put("unique_count", Calculation.class);
-    discriminatorMapping.put("term", Term.class);
-    discriminatorMapping.put("filter", Filter.class);
-    discriminatorMapping.put("nested", Nested.class);
-    discriminatorMapping.put("timeslice", Timeslice.class);
-    discriminatorMapping.put("top_hits", TopHits.class);
+    discriminatorMapping.put("histogram", QueryHistogramAggregation.class);
+    discriminatorMapping.put("max", QueryCalculationAggregation.class);
+    discriminatorMapping.put("min", QueryCalculationAggregation.class);
+    discriminatorMapping.put("average", QueryCalculationAggregation.class);
+    discriminatorMapping.put("sum", QueryCalculationAggregation.class);
+    discriminatorMapping.put("unique_count", QueryCalculationAggregation.class);
+    discriminatorMapping.put("term", QueryTermAggregation.class);
+    discriminatorMapping.put("filter", QueryFilterAggregation.class);
+    discriminatorMapping.put("nested", QueryNestedAggregation.class);
+    discriminatorMapping.put("timeslice", QueryTimesliceAggregation.class);
+    discriminatorMapping.put("top_hits", QueryTopHitsAggregation.class);
   }
 
   protected String type;
-  protected List<AggregationResult> results;
-
-  @SerializedName("matching_results")
-  protected Long matchingResults;
-
-  protected List<QueryAggregation> aggregations;
 
   /**
    * Gets the type.
@@ -56,37 +48,4 @@ public class QueryAggregation extends GenericModel {
   public String getType() {
     return type;
   }
-
-  /**
-   * Gets the results.
-   *
-   * <p>Array of aggregation results.
-   *
-   * @return the results
-   */
-  public List<AggregationResult> getResults() {
-    return results;
-  }
-
-  /**
-   * Gets the matchingResults.
-   *
-   * <p>Number of matching results.
-   *
-   * @return the matchingResults
-   */
-  public Long getMatchingResults() {
-    return matchingResults;
-  }
-
-  /**
-   * Gets the aggregations.
-   *
-   * <p>Aggregations returned by Discovery.
-   *
-   * @return the aggregations
-   */
-  public List<QueryAggregation> getAggregations() {
-    return aggregations;
-  }
 }

discovery/src/main/java/com/ibm/watson/discovery/v1/model/Calculation.java → discovery/src/main/java/com/ibm/watson/discovery/v1/model/QueryCalculationAggregation.java

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright IBM Corp. 2019, 2020.
+ * (C) Copyright IBM Corp. 2022.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -12,16 +12,19 @@
  */
 package com.ibm.watson.discovery.v1.model;
 
-/** Calculation. */
-public class Calculation extends QueryAggregation {
+/**
+ * Returns a scalar calculation across all documents for the field specified. Possible calculations
+ * include min, max, sum, average, and unique_count.
+ */
+public class QueryCalculationAggregation extends QueryAggregation {
 
   protected String field;
   protected Double value;
 
   /**
    * Gets the field.
    *
-   * <p>The field where the aggregation is located in the document.
+   * <p>The field to perform the calculation on.
    *
    * @return the field
    */
@@ -32,7 +35,7 @@ public String getField() {
   /**
    * Gets the value.
    *
-   * <p>Value of the aggregation.
+   * <p>The value of the calculation.
    *
    * @return the value
    */

discovery/src/main/java/com/ibm/watson/discovery/v1/model/QueryFilterAggregation.java

@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright IBM Corp. 2022.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package com.ibm.watson.discovery.v1.model;
+
+import com.google.gson.annotations.SerializedName;
+import java.util.List;
+
+/** A modifier that narrows the document set of the sub-aggregations it precedes. */
+public class QueryFilterAggregation extends QueryAggregation {
+
+  protected String match;
+
+  @SerializedName("matching_results")
+  protected Long matchingResults;
+
+  protected List<QueryAggregation> aggregations;
+
+  /**
+   * Gets the match.
+   *
+   * <p>The filter that is written in Discovery Query Language syntax and is applied to the
+   * documents before sub-aggregations are run.
+   *
+   * @return the match
+   */
+  public String getMatch() {
+    return match;
+  }
+
+  /**
+   * Gets the matchingResults.
+   *
+   * <p>Number of documents that match the filter.
+   *
+   * @return the matchingResults
+   */
+  public Long getMatchingResults() {
+    return matchingResults;
+  }
+
+  /**
+   * Gets the aggregations.
+   *
+   * <p>An array of sub-aggregations.
+   *
+   * @return the aggregations
+   */
+  public List<QueryAggregation> getAggregations() {
+    return aggregations;
+  }
+}

discovery/src/main/java/com/ibm/watson/discovery/v1/model/Histogram.java → discovery/src/main/java/com/ibm/watson/discovery/v1/model/QueryHistogramAggregation.java

@@ -1,5 +1,5 @@
 /*
- * (C) Copyright IBM Corp. 2019, 2020.
+ * (C) Copyright IBM Corp. 2022.
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -12,16 +12,23 @@
  */
 package com.ibm.watson.discovery.v1.model;
 
-/** Histogram. */
-public class Histogram extends QueryAggregation {
+import java.util.List;
+
+/**
+ * Numeric interval segments to categorize documents by using field values from a single numeric
+ * field to describe the category.
+ */
+public class QueryHistogramAggregation extends QueryAggregation {
 
   protected String field;
   protected Long interval;
+  protected String name;
+  protected List<QueryHistogramAggregationResult> results;
 
   /**
    * Gets the field.
    *
-   * <p>The field where the aggregation is located in the document.
+   * <p>The numeric field name used to create the histogram.
    *
    * @return the field
    */
@@ -32,11 +39,33 @@ public String getField() {
   /**
    * Gets the interval.
    *
-   * <p>Interval of the aggregation. (For 'histogram' type).
+   * <p>The size of the sections that the results are split into.
    *
    * @return the interval
    */
   public Long getInterval() {
     return interval;
   }
+
+  /**
+   * Gets the name.
+   *
+   * <p>Identifier specified in the query request of this aggregation.
+   *
+   * @return the name
+   */
+  public String getName() {
+    return name;
+  }
+
+  /**
+   * Gets the results.
+   *
+   * <p>Array of numeric intervals.
+   *
+   * @return the results
+   */
+  public List<QueryHistogramAggregationResult> getResults() {
+    return results;
+  }
 }