Polishing.

Add since and author tags. Update reference docs. Fix format of ticket references in tests.

See #3708
Original pull request: #3796.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/aggregation/ArithmeticOperators.java

@@ -739,20 +739,22 @@ public class ArithmeticOperators {
 		 * Creates new {@link AggregationExpression} that calculates the inverse sine of a numeric value.
 		 *
 		 * @return new instance of {@link ASin}.
+		 * @since 3.3
 		 */
 		public ASin asin() {
 			return usesFieldRef() ? ASin.asinOf(fieldReference) : ASin.asinOf(expression);
 		}
-		
+
 		/**
 		 * Creates new {@link AggregationExpression} that calculates the inverse hyperbolic sine of a numeric value.
 		 *
 		 * @return new instance of {@link ASinh}.
+		 * @since 3.3
 		 */
 		public ASinh asinh() {
 			return usesFieldRef() ? ASinh.asinhOf(fieldReference) : ASinh.asinhOf(expression);
 		}
-		
+
 		/**
 		 * Creates new {@link AggregationExpression} that calculates the cosine of a numeric value given in
 		 * {@link AngularUnit#RADIANS radians}.
@@ -2357,10 +2359,12 @@ public class ArithmeticOperators {
 			return "$sinh";
 		}
 	}
-	
+
 	/**
 	 * An {@link AggregationExpression expression} that calculates the inverse sine of a value.
 	 *
+	 * @author Divya Srivastava
+	 * @since 3.3
 	 */
 	public static class ASin extends AbstractAggregationExpression {
 
@@ -2407,9 +2411,12 @@ public class ArithmeticOperators {
 			return "$asin";
 		}
 	}
-	
+
 	/**
 	 * An {@link AggregationExpression expression} that calculates the inverse hyperbolic sine of a value
+	 *
+	 * @author Divya Srivastava
+	 * @since 3.3
 	 */
 	public static class ASinh extends AbstractAggregationExpression {
 
@@ -2430,7 +2437,7 @@ public class ArithmeticOperators {
 		/**
 		 * Creates a new {@link AggregationExpression} that calculates the inverse hyperbolic sine of a value.
 		 * <p />
-		 * 
+		 *
 		 * @param expression the {@link AggregationExpression expression} that resolves to a numeric value.
 		 * @return new instance of {@link ASinh}.
 		 */
@@ -2884,7 +2891,6 @@ public class ArithmeticOperators {
 		 * @return new instance of {@link ATan2}.
 		 */
 		public ATan2 atan2of(Number value) {
-
 			return new ATan2(append(value));
 		}
 

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/aggregation/ArithmeticOperatorsUnitTests.java

@@ -109,19 +109,15 @@ class ArithmeticOperatorsUnitTests {
 		assertThat(valueOf("angle").sinh(AngularUnit.DEGREES).toDocument(Aggregation.DEFAULT_CONTEXT))
 				.isEqualTo("{ $sinh : { $degreesToRadians : \"$angle\" } }");
 	}
-	
-	@Test // DATAMONGO - 3708
+
+	@Test // GH-3708
 	void rendersASin() {
-
-		assertThat(valueOf("field").asin().toDocument(Aggregation.DEFAULT_CONTEXT))
-		.isEqualTo("{ $asin : \"$field\" }");
+		assertThat(valueOf("field").asin().toDocument(Aggregation.DEFAULT_CONTEXT)).isEqualTo("{ $asin : \"$field\" }");
 	}
-	
-	@Test // DATAMONGO - 3708
-	void rendersASinh() {
 
-		assertThat(valueOf("field").asinh().toDocument(Aggregation.DEFAULT_CONTEXT))
-		.isEqualTo("{ $asinh : \"$field\" }");
+	@Test // GH-3708
+	void rendersASinh() {
+		assertThat(valueOf("field").asinh().toDocument(Aggregation.DEFAULT_CONTEXT)).isEqualTo("{ $asinh : \"$field\" }");
 	}
 
 	@Test // GH-3710

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/aggregation/SpelExpressionTransformerUnitTests.java

@@ -1078,13 +1078,13 @@ public class SpelExpressionTransformerUnitTests {
 	void shouldRenderSinh() {
 		assertThat(transform("sinh(angle)")).isEqualTo("{ \"$sinh\" : \"$angle\"}");
 	}
-	
-	@Test // DATAMONGO-3708
+
+	@Test // GH-3708
 	void shouldRenderASin() {
 		assertThat(transform("asin(number)")).isEqualTo("{ \"$asin\" : \"$number\"}");
 	}
 
-	@Test // DATAMONGO-3708
+	@Test // GH-3708
 	void shouldRenderASinh() {
 		assertThat(transform("asinh(number)")).isEqualTo("{ \"$asinh\" : \"$number\"}");
 	}
@@ -1108,17 +1108,17 @@ public class SpelExpressionTransformerUnitTests {
 	void shouldRenderTanh() {
 		assertThat(transform("tanh(angle)")).isEqualTo("{ \"$tanh\" : \"$angle\"}");
 	}
-	
+
 	@Test // DATAMONGO - 3709
 	void shouldRenderATan() {
 		assertThat(transform("atan(number)")).isEqualTo("{ \"$atan\" : \"$number\"}");
 	}
-	
+
 	@Test // DATAMONGO - 3709
 	void shouldRenderATan2() {
 		assertThat(transform("atan2(number1,number2)")).isEqualTo("{ \"$atan2\" : [ \"$number1\" , \"$number2\" ] }");
 	}
-	
+
 	@Test // DATAMONGO - 3709
 	void shouldRenderATanh() {
 		assertThat(transform("atanh(number)")).isEqualTo("{ \"$atanh\" : \"$number\"}");

src/main/asciidoc/reference/aggregation-framework.adoc

@@ -85,7 +85,7 @@ At the time of this writing, we provide support for the following Aggregation Op
 | `addToSet`, `covariancePop`, `covarianceSamp`, `expMovingAvg`, `first`, `last`, `max`, `min`, `avg`, `push`, `sum`, `count` (+++*+++), `stdDevPop`, `stdDevSamp`
 
 | Arithmetic Aggregation Operators
-| `abs`, `add` (+++*+++ via `plus`), `atan`, `atan2`, `atanh`, `ceil`, `cos`, `cosh`, `derivative`, `divide`, `exp`, `floor`, `integral`, `ln`, `log`, `log10`, `mod`, `multiply`, `pow`, `round`, `sqrt`, `subtract` (+++*+++ via `minus`), `sin`, `sinh`, `tan`, `tanh`, `trunc`
+| `abs`, `add` (+++*+++ via `plus`), `asin`, `asin`, `atan`, `atan2`, `atanh`, `ceil`, `cos`, `cosh`, `derivative`, `divide`, `exp`, `floor`, `integral`, `ln`, `log`, `log10`, `mod`, `multiply`, `pow`, `round`, `sqrt`, `subtract` (+++*+++ via `minus`), `sin`, `sinh`, `tan`, `tanh`, `trunc`
 
 | String Aggregation Operators
 | `concat`, `substr`, `toLower`, `toUpper`, `strcasecmp`, `indexOfBytes`, `indexOfCP`, `regexFind`, `regexFindAll`, `regexMatch`, `split`, `strLenBytes`, `strLenCP`, `substrCP`, `trim`, `ltrim`, `rtim`