added test for BigInteger / varint mapping

spring-data-cassandra/src/test/java/org/springframework/data/cassandra/test/integration/querymethods/bigintparam/BigIntParamIntegrationTests.java

@@ -0,0 +1,48 @@
+package org.springframework.data.cassandra.test.integration.querymethods.bigintparam;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.cassandra.config.SchemaAction;
+import org.springframework.data.cassandra.repository.config.EnableCassandraRepositories;
+import org.springframework.data.cassandra.test.integration.support.AbstractSpringDataEmbeddedCassandraIntegrationTest;
+import org.springframework.data.cassandra.test.integration.support.IntegrationTestConfig;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import java.math.BigInteger;
+
+import static org.junit.Assert.assertNotNull;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration
+public class BigIntParamIntegrationTests extends AbstractSpringDataEmbeddedCassandraIntegrationTest {
+
+	@Configuration
+	@EnableCassandraRepositories(basePackageClasses = BigThingRepo.class)
+	public static class Config extends IntegrationTestConfig {
+		@Override
+		public String[] getEntityBasePackages() {
+			return new String[] { BigThing.class.getPackage().getName() };
+		}
+
+		@Override
+		public SchemaAction getSchemaAction() {
+			return SchemaAction.RECREATE_DROP_UNUSED;
+		}
+	}
+
+	@Autowired
+	BigThingRepo repo;
+
+	@Test
+	public void testQueryWithReference() {
+		BigInteger number = new BigInteger("42");
+		BigThing saved = new BigThing(number);
+		repo.save(saved);
+
+		BigThing found = repo.findThingByBigInteger(new BigInteger("42"));
+		assertNotNull(found);
+	}
+}

spring-data-cassandra/src/test/java/org/springframework/data/cassandra/test/integration/querymethods/bigintparam/BigThing.java

@@ -0,0 +1,28 @@
+package org.springframework.data.cassandra.test.integration.querymethods.bigintparam;
+
+import org.springframework.cassandra.core.PrimaryKeyType;
+import org.springframework.data.cassandra.mapping.PrimaryKeyColumn;
+import org.springframework.data.cassandra.mapping.Table;
+
+import java.math.BigInteger;
+
+@Table
+public class BigThing {
+
+	@PrimaryKeyColumn(ordinal = 0, type = PrimaryKeyType.PARTITIONED)
+	private BigInteger number;
+
+	public BigThing() {}
+
+	public BigThing(BigInteger number) {
+		setNumber(number);
+	}
+
+	public BigInteger getNumber() {
+		return number;
+	}
+
+	public void setNumber(BigInteger number) {
+		this.number = number;
+	}
+}

spring-data-cassandra/src/test/java/org/springframework/data/cassandra/test/integration/querymethods/bigintparam/BigThingRepo.java

@@ -0,0 +1,13 @@
+package org.springframework.data.cassandra.test.integration.querymethods.bigintparam;
+
+import org.springframework.data.cassandra.repository.CassandraRepository;
+import org.springframework.data.cassandra.repository.Query;
+
+import java.math.BigInteger;
+
+public interface BigThingRepo extends CassandraRepository<BigThing> {
+
+	@Query("SELECT * from bigthing where number = ?0")
+	BigThing findThingByBigInteger(BigInteger number);
+
+}