Examples of info.archinnov.achilles.codec.Codec

info.archinnov.achilles.codec.Codec

Define a codec to transform a source type into a target type.
The source type can be any Java type. The target type should be a Java type supported by Cassandra

Example of LongToString codec

 public class LongToString implements Codec<Long,String> { {@literal @}Override public Class sourceType() { return Long.class; } {@literal @}Override public Class targetType() { return String.class; } {@literal @}Override public String encode(Long fromJava) throws AchillesTranscodingException { return fromJava.toString(); } {@literal @}Override public Long decode(String fromCassandra) throws AchillesTranscodingException { return Long.parseLong(fromCassandra); } }

@param < FROM> sourceType @param < TO> targetType compatible with Cassandra

    }




  @Test
  public void should_build_simple_with_object_as_value() throws Exception {
        Codec simpleCodec = mock(Codec.class);


        PropertyMeta built = PropertyMetaBuilder.factory()
                .type(SIMPLE)
                .propertyName("prop")
                .accessors(accessors)

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        }


        Field field = Test.class.getDeclaredField("name");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec).isInstanceOf(NativeCodec.class);
        assertThat(codec.encode("toto")).isEqualTo("toto");
        assertThat(codec.decode("toto")).isEqualTo("toto");
    }

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        }


        Field field = Test.class.getDeclaredField("field");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec.sourceType()).isSameAs(Long.class);
        assertThat(codec.targetType()).isSameAs(String.class);
    }

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        }


        Field field = Test.class.getDeclaredField("type");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec).isInstanceOf(EnumNameCodec.class);
        assertThat(codec.encode(PropertyType.COUNTER)).isEqualTo("COUNTER");
        assertThat(codec.decode("ID")).isEqualTo(PropertyType.ID);
    }

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        }


        Field field = Test.class.getDeclaredField("type");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec).isInstanceOf(EnumOrdinalCodec.class);
        assertThat(codec.encode(PropertyType.COUNTER)).isEqualTo(6);
        assertThat(codec.decode(0)).isEqualTo(PropertyType.ID);
    }

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        }


        Field field = Test.class.getDeclaredField("flag");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec).isInstanceOf(ByteCodec.class);
        assertThat(((ByteBuffer)codec.encode((byte)3)).array()).containsOnly((byte) 3);
        assertThat(codec.decode(ByteBuffer.wrap(new byte[]{(byte)5}))).isEqualTo((byte)5);
    }

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        }


        Field field = Test.class.getDeclaredField("flag");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec).isInstanceOf(ByteCodec.class);
        assertThat(((ByteBuffer)codec.encode(new Byte((byte)3))).array()).containsOnly((byte) 3);
        assertThat(codec.decode(ByteBuffer.wrap(new byte[]{(byte)5}))).isEqualTo((byte)5);
    }

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        }


        Field field = Test.class.getDeclaredField("bytes");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec).isInstanceOf(ByteArrayPrimitiveCodec.class);
        assertThat(((ByteBuffer)codec.encode(new byte[]{(byte)2,(byte)3})).array()).containsOnly((byte) 2, (byte) 3);
        assertThat((byte[])codec.decode(ByteBuffer.wrap(new byte[]{(byte)5, (byte)6}))).containsOnly((byte) 5, (byte) 6);
    }

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        }


        Field field = Test.class.getDeclaredField("bytes");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));


        //Then
        assertThat(codec).isInstanceOf(ByteArrayCodec.class);
        assertThat(((ByteBuffer)codec.encode(new Byte[]{(byte)2,(byte)3})).array()).containsOnly((byte) 2, (byte) 3);
        assertThat((Byte[]) codec.decode(ByteBuffer.wrap(new byte[]{(byte)5, (byte)6}))).containsOnly((byte) 5, (byte) 6);
    }

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        Pojo bean = new Pojo(10L, "DuyHai");


        Field field = Test.class.getDeclaredField("json");


        //When
        final Codec codec = factory.parseSimpleField(createContext(field));
        final String encoded = (String) codec.encode(bean);
        final Pojo decoded = (Pojo) codec.decode("{\"id\":11,\"name\":\"John\"}");


        //Then
        assertThat(encoded).isEqualTo("{\"id\":10,\"name\":\"DuyHai\"}");
        assertThat(decoded.getId()).isEqualTo(11L);
        assertThat(decoded.getName()).isEqualTo("John");

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info.archinnov.achilles.internal.metadata.holder.PropertyMetaBuilderTest

info.archinnov.achilles.internal.metadata.parsing.CodecFactory

info.archinnov.achilles.internal.metadata.parsing.CodecFactoryTest

info.archinnov.achilles.internal.metadata.parsing.PropertyParser

info.archinnov.achilles.internal.metadata.parsing.TypeTransformerParser

info.archinnov.achilles.internal.metadata.parsing.TypeTransformerParserTest

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