fix: Data Point: measurement name is requiring in constructor

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## 1.11.0 [unreleased]
 
+### Bug Fixes
+1. [#136](https://github.com/influxdata/influxdb-client-java/pull/136): Data Point: measurement name is requiring in constructor
+
 ## 1.10.0 [2020-07-17]
 
 ### Bug Fixes

client/src/main/java/com/influxdb/client/write/Point.java

@@ -72,6 +72,18 @@ public final class Point {
  private Number time;
  private WritePrecision precision = DEFAULT_WRITE_PRECISION;
 
+ /**
+ * Create a new Point with specified a measurement name.
+ *
+ * @param measurementName the measurement name
+ */
+ public Point(@Nonnull final String measurementName) {
+
+ Arguments.checkNotNull(measurementName, "measurement");
+
+ this.name = measurementName;
+ }
+
  /**
  * Create a new Point withe specified a measurement name.
  *
@@ -83,10 +95,7 @@ public static Point measurement(@Nonnull final String measurementName) {
 
  Arguments.checkNotNull(measurementName, "measurement");
 
- Point point = new Point();
- point.name = measurementName;
-
- return point;
+ return new Point(measurementName);
  }
 
  /**

client/src/test/java/com/influxdb/client/write/PointTest.java

@@ -64,6 +64,23 @@ void measurementEscape() {
  Assertions.assertThat(point.toLineProtocol()).isEqualTo("h2\\,o,location=europe level=2i");
  }
 
+ @Test
+ public void createByConstructor() {
+ Point point = new Point("h2o")
+ .addTag("location", "europe")
+ .addField("level", 2);
+
+ Assertions.assertThat(point.toLineProtocol()).isEqualTo("h2o,location=europe level=2i");
+ }
+
+ @SuppressWarnings("ConstantConditions")
+ @Test
+ public void createByConstructorMeasurementRequired() {
+ Assertions.assertThatThrownBy(() -> new Point(null))
+ .isInstanceOf(NullPointerException.class)
+ .hasMessage("Expecting a not null reference for measurement");
+ }
+
  @Test
  void tagEmptyKey() {
 
@@ -124,7 +141,7 @@ void fieldTypes() {
  .addField("integer", 7)
  .addField("integerObject", Integer.valueOf("8"))
  .addField("boolean", false)
- .addField("booleanObject", Boolean.parseBoolean("true"))
+ .addField("booleanObject", Boolean.TRUE)
  .addField("string", "string value");
 
  String expected = "h2o,location=europe bigDecimal=33.45,boolean=false,booleanObject=true,double=2.0,doubleObject=5.0,"