DATAMONGO-1416 - Get rid of the warnings for Atomic… type conversions.

We now use explicit converters instead of a ConverterFactory. This reduces noise in log when registering converters.

Original pull request: #362.

Author: christophstrobl

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/MongoConverters.java

@@ -80,7 +80,10 @@ public static Collection<Object> getConvertersToRegister() {
 		converters.add(DocumentToNamedMongoScriptCoverter.INSTANCE);
 		converters.add(CurrencyToStringConverter.INSTANCE);
 		converters.add(StringToCurrencyConverter.INSTANCE);
-		converters.add(NumberToNumberConverterFactory.INSTANCE);
+		converters.add(AtomicIntegerToIntegerConverter.INSTANCE);
+		converters.add(AtomicLongToLongConverter.INSTANCE);
+		converters.add(LongToAtomicLongConverter.INSTANCE);
+		converters.add(IntegerToAtomicIntegerConverter.INSTANCE);
 
 		return converters;
 	}
@@ -389,4 +392,68 @@ public T convert(Number source) {
 			}
 		}
 	}
+
+	/**
+	 * {@link ConverterFactory} implementation converting {@link AtomicLong} into {@link Long}.
+	 *
+	 * @author Christoph Strobl
+	 * @since 1.10
+	 */
+	@WritingConverter
+	public static enum AtomicLongToLongConverter implements Converter<AtomicLong, Long> {
+		INSTANCE;
+
+		@Override
+		public Long convert(AtomicLong source) {
+			return NumberUtils.convertNumberToTargetClass(source, Long.class);
+		}
+	}
+
+	/**
+	 * {@link ConverterFactory} implementation converting {@link AtomicInteger} into {@link Integer}.
+	 *
+	 * @author Christoph Strobl
+	 * @since 1.10
+	 */
+	@WritingConverter
+	public static enum AtomicIntegerToIntegerConverter implements Converter<AtomicInteger, Integer> {
+		INSTANCE;
+
+		@Override
+		public Integer convert(AtomicInteger source) {
+			return NumberUtils.convertNumberToTargetClass(source, Integer.class);
+		}
+	}
+
+	/**
+	 * {@link ConverterFactory} implementation converting {@link Long} into {@link AtomicLong}.
+	 *
+	 * @author Christoph Strobl
+	 * @since 1.10
+	 */
+	@ReadingConverter
+	public static enum LongToAtomicLongConverter implements Converter<Long, AtomicLong> {
+		INSTANCE;
+
+		@Override
+		public AtomicLong convert(Long source) {
+			return source != null ? new AtomicLong(source) : null;
+		}
+	}
+
+	/**
+	 * {@link ConverterFactory} implementation converting {@link Integer} into {@link AtomicInteger}.
+	 *
+	 * @author Christoph Strobl
+	 * @since 1.10
+	 */
+	@ReadingConverter
+	public static enum IntegerToAtomicIntegerConverter implements Converter<Integer, AtomicInteger> {
+		INSTANCE;
+
+		@Override
+		public AtomicInteger convert(Integer source) {
+			return source != null ? new AtomicInteger(source) : null;
+		}
+	}
 }

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/MongoConvertersUnitTests.java

@@ -20,15 +20,22 @@
 
 import java.math.BigDecimal;
 import java.util.Currency;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicLong;
 
+import org.hamcrest.core.IsInstanceOf;
 import org.junit.Test;
 import org.springframework.data.geo.Box;
 import org.springframework.data.geo.Circle;
 import org.springframework.data.geo.Point;
 import org.springframework.data.geo.Polygon;
 import org.springframework.data.geo.Shape;
+import org.springframework.data.mongodb.core.convert.MongoConverters.AtomicIntegerToIntegerConverter;
+import org.springframework.data.mongodb.core.convert.MongoConverters.AtomicLongToLongConverter;
 import org.springframework.data.mongodb.core.convert.MongoConverters.BigDecimalToStringConverter;
 import org.springframework.data.mongodb.core.convert.MongoConverters.CurrencyToStringConverter;
+import org.springframework.data.mongodb.core.convert.MongoConverters.IntegerToAtomicIntegerConverter;
+import org.springframework.data.mongodb.core.convert.MongoConverters.LongToAtomicLongConverter;
 import org.springframework.data.mongodb.core.convert.MongoConverters.StringToBigDecimalConverter;
 import org.springframework.data.mongodb.core.convert.MongoConverters.StringToCurrencyConverter;
 import org.springframework.data.mongodb.core.geo.Sphere;
@@ -140,4 +147,36 @@ public void convertsCurrencyToStringCorrectly() {
 	public void convertsStringToCurrencyCorrectly() {
 		assertThat(StringToCurrencyConverter.INSTANCE.convert("USD"), is(Currency.getInstance("USD")));
 	}
+
+	/**
+	 * @see DATAMONGO-1416
+	 */
+	@Test
+	public void convertsAtomicLongToLongCorrectly() {
+		assertThat(AtomicLongToLongConverter.INSTANCE.convert(new AtomicLong(100L)), is(100L));
+	}
+
+	/**
+	 * @see DATAMONGO-1416
+	 */
+	@Test
+	public void convertsAtomicIntegerToIntegerCorrectly() {
+		assertThat(AtomicIntegerToIntegerConverter.INSTANCE.convert(new AtomicInteger(100)), is(100));
+	}
+
+	/**
+	 * @see DATAMONGO-1416
+	 */
+	@Test
+	public void convertsLongToAtomicLongCorrectly() {
+		assertThat(LongToAtomicLongConverter.INSTANCE.convert(100L), IsInstanceOf.instanceOf(AtomicLong.class));
+	}
+
+	/**
+	 * @see DATAMONGO-1416
+	 */
+	@Test
+	public void convertsIntegerToAtomicIntegerCorrectly() {
+		assertThat(IntegerToAtomicIntegerConverter.INSTANCE.convert(100), IsInstanceOf.instanceOf(AtomicInteger.class));
+	}
 }