Example usage for org.apache.cassandra.utils UUIDGen getTimeUUID

Introduction

In this page you can find the example usage for org.apache.cassandra.utils UUIDGen getTimeUUID.

Prototype

public static UUID getTimeUUID(long when) 

Source Link

Document

Creates a type 1 UUID (time-based UUID) with the timestamp of @param when, in milliseconds.

Usage

From source file:com.stratio.cassandra.lucene.schema.mapping.DateMapperTest.java

License:Apache License

@Test
public void testBaseTimeUUID() throws ParseException {
    Long expected = new SimpleDateFormat("yyyyMMdd").parse("20161127").getTime();
    DateMapper mapper = dateMapper().pattern("yyyyMMdd").build("name");
    Long parsed = mapper.base("test", UUIDGen.getTimeUUID(expected));
    assertEquals("Base value is not properly parsed", expected, parsed);
}

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From source file:com.stratio.cassandra.lucene.util.DateParserTest.java

License:Apache License

@Test
public void testParseUUID() throws ParseException {
    UUID uuid = UUIDGen.getTimeUUID(date("yyyy-MM-dd HH:mm", "2015-11-03 06:23").getTime());
    Date expected = date("yyyyMMdd", "20151103");
    assertEquals("yyyyMMdd", uuid, expected);
}

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From source file:com.tuplejump.stargate.Fields.java

License:Apache License

public static ByteBuffer defaultValue(AbstractType type, boolean min) {
    CQL3Type cqlType = type.asCQL3Type();
    if (cqlType == CQL3Type.Native.INT || cqlType == CQL3Type.Native.VARINT) {
        return ByteBufferUtil.bytes(min ? Integer.MIN_VALUE : Integer.MAX_VALUE);
    } else if (cqlType == CQL3Type.Native.BIGINT) {
        return ByteBufferUtil.bytes(min ? Long.MIN_VALUE : Long.MAX_VALUE);
    } else if (cqlType == CQL3Type.Native.DECIMAL || cqlType == CQL3Type.Native.DOUBLE) {
        return ByteBufferUtil.bytes(min ? Double.MIN_VALUE : Double.MAX_VALUE);
    } else if (cqlType == CQL3Type.Native.FLOAT) {
        return ByteBufferUtil.bytes(min ? Float.MIN_VALUE : Float.MAX_VALUE);
    } else if (cqlType == CQL3Type.Native.TEXT || cqlType == CQL3Type.Native.VARCHAR) {
        return ByteBufferUtil.bytes("");
    } else if (cqlType == CQL3Type.Native.UUID) {
        return ByteBufferUtil.bytes(UUID.randomUUID());
    } else if (cqlType == CQL3Type.Native.TIMEUUID) {
        return ByteBufferUtil.bytes(UUIDGen.getTimeUUID(0));
    } else if (cqlType == CQL3Type.Native.TIMESTAMP) {
        return ByteBufferUtil.bytes(0l);
    } else if (cqlType == CQL3Type.Native.BOOLEAN) {
        return BooleanType.instance.decompose(min ? false : true);
    } else if (type.isCollection()) {
        CollectionType collectionType = (CollectionType) type;
        List<Pair<ByteBuffer, Column>> collection = new ArrayList<>();
        ByteBuffer dummyColumn = defaultValue(collectionType.nameComparator());
        collection.add(Pair.create(dummyColumn,
                new Column(dummyColumn, defaultValue(collectionType.valueComparator(), min))));
        return collectionType.serialize(collection);
    } else {//  w ww .j av a  2  s .c  o  m
        return ByteBufferUtil.EMPTY_BYTE_BUFFER;
    }
}

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