Example usage for org.apache.cassandra.db.marshal ListType valueComparator

Introduction

In this page you can find the example usage for org.apache.cassandra.db.marshal ListType valueComparator.

Prototype

public AbstractType<T> valueComparator() 

Source Link

Usage

From source file:com.datastax.driver.core.CodecTest.java

License:Apache License

@Test(groups = "unit")
public void testCustomList() throws Exception {
    ListType<?> listType = (ListType) Codec.getCodec(DataType.list(CUSTOM_FOO));
    Assert.assertNotNull(listType);//from w  w  w  .  j  a  v  a2  s.c o m
    Assert.assertTrue(listType.valueComparator() instanceof BytesType);
}

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From source file:com.datastax.driver.core.CodecTest.java

License:Apache License

@Test(groups = "unit")
public void testListTypeCodec() throws Exception {
    Map<Name, ListType<?>> dateTypeListetTypeMap = new HashMap<Name, ListType<?>>(Codec.buildLists());

    final Set<DataType> dataTypes = new HashSet<DataType>(allPrimitiveTypes());

    // Special case: DataType varchar yields Codec.rawTypeToDataType(...) => text causing assertion fail
    // Solution: Remove DataType.varchar and check that it yields DataType.text
    Assert.assertTrue(dataTypes.remove(varchar()));
    final AbstractType<?> rawType = dateTypeListetTypeMap.get(varchar().getName()).valueComparator();
    Assert.assertEquals(Codec.rawTypeToDataType(rawType), text());
    dateTypeListetTypeMap.remove(varchar().getName());

    for (DataType dataType : dataTypes) {
        final ListType<?> setType = dateTypeListetTypeMap.remove(dataType.getName());
        Assert.assertEquals(Codec.rawTypeToDataType(setType.valueComparator()), dataType);
    }//  w ww  .  j a  v  a  2s. c  o  m
    Assert.assertTrue(dateTypeListetTypeMap.isEmpty(),
            "All set types should have been tested: " + dateTypeListetTypeMap);
}

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From source file:com.tuplejump.stargate.cassandra.CassandraUtils.java

License:Apache License

public static AbstractType getValueValidator(AbstractType abstractType) {
    if (abstractType instanceof CollectionType) {
        if (abstractType instanceof MapType) {
            MapType mapType = (MapType) abstractType;
            return mapType.valueComparator();
        } else if (abstractType instanceof SetType) {
            SetType setType = (SetType) abstractType;
            return setType.nameComparator();
        } else if (abstractType instanceof ListType) {
            ListType listType = (ListType) abstractType;
            return listType.valueComparator();
        }//from  w w w.  ja v a  2 s.  c  om
    }
    return abstractType;
}

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