Fix NPE in bigquery XXXInfo.equals

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/DatasetInfo.java

@@ -396,7 +396,8 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj.getClass().equals(DatasetInfo.class)
+    return obj != null
+        && obj.getClass().equals(DatasetInfo.class)
         && Objects.equals(toPb(), ((DatasetInfo) obj).toPb());
   }
 

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/ExternalTableDefinition.java

@@ -28,8 +28,8 @@
 import java.util.Objects;
 
 /**
- * Google BigQuery external table type. BigQuery's external tables are tables whose data reside
- * outside of BigQuery but can be queried as normal BigQuery tables. External tables are
+ * Google BigQuery external table definition. BigQuery's external tables are tables whose data
+ * reside outside of BigQuery but can be queried as normal BigQuery tables. External tables are
  * experimental and might be subject to change or removed.
  *
  * @see <a href="https://cloud.google.com/bigquery/federated-data-sources">Federated Data Sources

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/JobInfo.java

@@ -319,7 +319,9 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj.getClass().equals(JobInfo.class) && Objects.equals(toPb(), ((JobInfo) obj).toPb());
+    return obj != null
+        && obj.getClass().equals(JobInfo.class)
+        && Objects.equals(toPb(), ((JobInfo) obj).toPb());
   }
 
   JobInfo setProjectId(String projectId) {

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/StandardTableDefinition.java

@@ -26,10 +26,11 @@
 import java.util.Objects;
 
 /**
- * A Google BigQuery default table type. This type is used for standard, two-dimensional tables with
- * individual records organized in rows, and a data type assigned to each column (also called a
- * field). Individual fields within a record may contain nested and repeated children fields. Every
- * table is described by a schema that describes field names, types, and other information.
+ * A Google BigQuery default table definition. This definition is used for standard, two-dimensional
+ * tables with individual records organized in rows, and a data type assigned to each column (also
+ * called a field). Individual fields within a record may contain nested and repeated children
+ * fields. Every table is described by a schema that describes field names, types, and other
+ * information.
  *
  * @see <a href="https://cloud.google.com/bigquery/docs/tables">Managing Tables</a>
  */
@@ -218,14 +219,14 @@ public StreamingBuffer streamingBuffer() {
   }
 
   /**
-   * Returns a builder for a BigQuery default table type.
+   * Returns a builder for a BigQuery standard table definition.
    */
   public static Builder builder() {
     return new Builder();
   }
 
   /**
-   * Creates a BigQuery default table type given its schema.
+   * Creates a BigQuery standard table definition given its schema.
    *
    * @param schema the schema of the table
    */

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/Table.java

@@ -213,7 +213,8 @@ public InsertAllResponse insert(Iterable<InsertAllRequest.RowToInsert> rows,
    * @param options table data list options
    * @throws BigQueryException upon failure
    */
-  public Page<List<FieldValue>> list(BigQuery.TableDataListOption... options) throws BigQueryException {
+  public Page<List<FieldValue>> list(BigQuery.TableDataListOption... options)
+      throws BigQueryException {
     return bigquery.listTableData(tableId(), options);
   }
 

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/TableDefinition.java

@@ -25,7 +25,7 @@
 import java.util.Objects;
 
 /**
- * Base class for a Google BigQuery table type.
+ * Base class for a Google BigQuery table definition.
  */
 public abstract class TableDefinition implements Serializable {
 
@@ -63,10 +63,10 @@ public enum Type {
   }
 
   /**
-   * Base builder for table types.
+   * Base builder for table definitions.
    *
-   * @param <T> the table type class
-   * @param <B> the table type builder
+   * @param <T> the table definition class
+   * @param <B> the table definition builder
    */
   public abstract static class Builder<T extends TableDefinition, B extends Builder<T, B>> {
 
@@ -152,8 +152,8 @@ final int baseHashCode() {
     return Objects.hash(type);
   }
 
-  final boolean baseEquals(TableDefinition jobConfiguration) {
-    return Objects.equals(toPb(), jobConfiguration.toPb());
+  final boolean baseEquals(TableDefinition tableDefinition) {
+    return Objects.equals(toPb(), tableDefinition.toPb());
   }
 
   Table toPb() {

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/TableInfo.java

@@ -339,7 +339,8 @@ public int hashCode() {
 
   @Override
   public boolean equals(Object obj) {
-    return obj.getClass().equals(TableInfo.class)
+    return obj != null
+        && obj.getClass().equals(TableInfo.class)
         && Objects.equals(toPb(), ((TableInfo) obj).toPb());
   }
 

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/ViewDefinition.java

@@ -27,8 +27,9 @@
 import java.util.Objects;
 
 /**
- * Google BigQuery view table type. BigQuery's views are logical views, not materialized views,
- * which means that the query that defines the view is re-executed every time the view is queried.
+ * Google BigQuery view table definition. BigQuery's views are logical views, not materialized
+ * views, which means that the query that defines the view is re-executed every time the view is
+ * queried.
  *
  * @see <a href="https://cloud.google.com/bigquery/querying-data#views">Views</a>
  */
@@ -168,7 +169,7 @@ Table toPb() {
   }
 
   /**
-   * Returns a builder for a BigQuery view type.
+   * Returns a builder for a BigQuery view definition.
    *
    * @param query the query used to generate the view
    */
@@ -177,7 +178,7 @@ public static Builder builder(String query) {
   }
 
   /**
-   * Returns a builder for a BigQuery view type.
+   * Returns a builder for a BigQuery view definition.
    *
    * @param query the query used to generate the table
    * @param functions user-defined functions that can be used by the query
@@ -187,7 +188,7 @@ public static Builder builder(String query, List<UserDefinedFunction> functions)
   }
 
   /**
-   * Returns a builder for a BigQuery view type.
+   * Returns a builder for a BigQuery view definition.
    *
    * @param query the query used to generate the table
    * @param functions user-defined functions that can be used by the query
@@ -197,7 +198,7 @@ public static Builder builder(String query, UserDefinedFunction... functions) {
   }
 
   /**
-   * Creates a BigQuery view type given the query used to generate the table.
+   * Creates a BigQuery view definition given the query used to generate the table.
    *
    * @param query the query used to generate the table
    */
@@ -206,7 +207,7 @@ public static ViewDefinition of(String query) {
   }
 
   /**
-   * Creates a BigQuery view type given a query and some user-defined functions.
+   * Creates a BigQuery view definition given a query and some user-defined functions.
    *
    * @param query the query used to generate the table
    * @param functions user-defined functions that can be used by the query
@@ -216,7 +217,7 @@ public static ViewDefinition of(String query, List<UserDefinedFunction> function
   }
 
   /**
-   * Creates a BigQuery view type given a query and some user-defined functions.
+   * Creates a BigQuery view definition given a query and some user-defined functions.
    *
    * @param query the query used to generate the table
    * @param functions user-defined functions that can be used by the query