samples: dialogflow: delete samples that are not in docs (#2602)

* dialogflow: delete samples that are not in docs and fix the tests that are broken after the deletions

* update README

Author: nnegrey

dialogflow/snippets/src/main/java/com/example/dialogflow/ContextManagement.java

@@ -28,7 +28,6 @@
 import com.google.cloud.dialogflow.v2beta1.SessionName;
 import com.google.cloud.dialogflow.v2beta1.SessionsClient;
 import com.google.cloud.dialogflow.v2beta1.TextInput;
-import com.google.cloud.dialogflow.v2beta1.TextInput.Builder;
 import com.google.common.collect.Maps;
 import java.util.List;
 import java.util.Map;
@@ -67,7 +66,8 @@ public static Map<String, KnowledgeAnswers> detectIntentKnowledge(
       // Detect intents for each text input
       for (String text : texts) {
         // Set the text and language code (en-US) for the query
-        Builder textInput = TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
+        TextInput.Builder textInput =
+            TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
         // Build the query with the TextInput
         QueryInput queryInput = QueryInput.newBuilder().setText(textInput).build();
 

dialogflow/snippets/src/main/java/com/example/dialogflow/DetectIntentKnowledge.java

@@ -24,7 +24,6 @@
 import com.google.cloud.dialogflow.v2.SessionName;
 import com.google.cloud.dialogflow.v2.SessionsClient;
 import com.google.cloud.dialogflow.v2.TextInput;
-import com.google.cloud.dialogflow.v2.TextInput.Builder;
 import com.google.common.collect.Maps;
 import java.util.List;
 import java.util.Map;
@@ -61,7 +60,8 @@ public static Map<String, QueryResult> detectIntentTexts(
       // Detect intents for each text input
       for (String text : texts) {
         // Set the text (hello) and language code (en-US) for the query
-        Builder textInput = TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
+        TextInput.Builder textInput =
+            TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
 
         // Build the query with the TextInput
         QueryInput queryInput = QueryInput.newBuilder().setText(textInput).build();

dialogflow/snippets/src/main/java/com/example/dialogflow/DetectIntentTexts.java

@@ -25,7 +25,6 @@
 import com.google.cloud.dialogflow.v2.SessionName;
 import com.google.cloud.dialogflow.v2.SessionsClient;
 import com.google.cloud.dialogflow.v2.TextInput;
-import com.google.cloud.dialogflow.v2.TextInput.Builder;
 import com.google.common.collect.Maps;
 import java.util.List;
 import java.util.Map;
@@ -59,7 +58,8 @@ public static Map<String, QueryResult>  detectIntentSentimentAnalysis(
       // Detect intents for each text input
       for (String text : texts) {
         // Set the text (hello) and language code (en-US) for the query
-        Builder textInput = TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
+        TextInput.Builder textInput =
+            TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
 
         // Build the query with the TextInput
         QueryInput queryInput = QueryInput.newBuilder().setText(textInput).build();

dialogflow/snippets/src/main/java/com/example/dialogflow/DetectIntentWithModelSelection.java

@@ -25,7 +25,6 @@
 import com.google.cloud.dialogflow.v2.SessionName;
 import com.google.cloud.dialogflow.v2.SessionsClient;
 import com.google.cloud.dialogflow.v2.TextInput;
-import com.google.cloud.dialogflow.v2.TextInput.Builder;
 import com.google.common.collect.Maps;
 import java.util.List;
 import java.util.Map;
@@ -59,7 +58,8 @@ public static Map<String, QueryResult> detectIntentWithTexttoSpeech(
       // Detect intents for each text input
       for (String text : texts) {
         // Set the text (hello) and language code (en-US) for the query
-        Builder textInput = TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
+        TextInput.Builder textInput =
+            TextInput.newBuilder().setText(text).setLanguageCode(languageCode);
 
         // Build the query with the TextInput
         QueryInput queryInput = QueryInput.newBuilder().setText(textInput).build();

dialogflow/snippets/src/main/java/com/example/dialogflow/DetectIntentWithSentimentAnalysis.java

@@ -22,37 +22,9 @@
 import com.google.cloud.dialogflow.v2beta1.Document.KnowledgeType;
 import com.google.cloud.dialogflow.v2beta1.DocumentsClient;
 import com.google.cloud.dialogflow.v2beta1.KnowledgeOperationMetadata;
-import com.google.common.collect.Lists;
-import java.util.List;
 import java.util.concurrent.TimeUnit;
 
 public class DocumentManagement {
-  //  [START dialogflow_list_document]
-
-  /**
-   * @param knowledgeBaseName Knowledge Base id.
-   */
-  public static List<Document> listDocuments(String knowledgeBaseName) throws Exception {
-    List<Document> documents = Lists.newArrayList();
-    // Instantiates a client
-    try (DocumentsClient documentsClient = DocumentsClient.create()) {
-      for (Document document : documentsClient.listDocuments(knowledgeBaseName).iterateAll()) {
-        System.out.format(" - Display Name: %s\n", document.getDisplayName());
-        System.out.format(" - Knowledge ID: %s\n", document.getName());
-        System.out.format(" - MIME Type: %s\n", document.getMimeType());
-        System.out.format(" - Knowledge Types:\n");
-        for (KnowledgeType knowledgeTypeId : document.getKnowledgeTypesList()) {
-          System.out.format("  - %s \n", knowledgeTypeId.getValueDescriptor());
-        }
-        System.out.format(" - Source: %s \n", document.getContentUri());
-
-        documents.add(document);
-      }
-    }
-    return documents;
-  }
-  //  [END dialogflow_list_document]
-
   // [START dialogflow_create_document]
 
   /**
@@ -100,42 +72,4 @@ public static Document createDocument(
     }
   }
   // [END dialogflow_create_document]
-
-  // [START dialogflow_get_document]
-
-  /**
-   * @param documentName Document Id.
-   * @return The requested document.
-   */
-  public static Document getDocument(String documentName) throws Exception {
-    // Instantiates a client
-    try (DocumentsClient documentsClient = DocumentsClient.create()) {
-      Document response = documentsClient.getDocument(documentName);
-      System.out.format("Got Document: \n");
-      System.out.format(" - Display Name: %s\n", response.getDisplayName());
-      System.out.format(" - Knowledge ID: %s\n", response.getName());
-      System.out.format(" - MIME Type: %s\n", response.getMimeType());
-      System.out.format(" - Knowledge Types:\n");
-      for (KnowledgeType knowledgeTypeId : response.getKnowledgeTypesList()) {
-        System.out.format("  - %s \n", knowledgeTypeId.getValueDescriptor());
-      }
-      System.out.format(" - Source: %s \n", response.getContentUri());
-
-      return response;
-    }
-  }
-  // [END dialogflow_get_document]
-
-  // [START dialogflow_delete_document]
-
-  /**
-   * @param documentName Document Id.
-   */
-  public static void deleteDocument(String documentName) throws Exception {
-    // Instantiates a client
-    try (DocumentsClient documentsClient = DocumentsClient.create()) {
-      documentsClient.deleteDocumentAsync(documentName).get();
-      System.out.format("The document has been deleted.");
-    }
-  }
 }