Examples of com.asakusafw.runtime.value.FloatOption

com.asakusafw.runtime.value.FloatOption
{@code null}値を許容する {@code float}値。

        super(TypeInfoFactory.floatTypeInfo);
    }


    @Override
    protected ValueOption<?> newObject() {
        return new FloatOption();
    }

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        return new FloatOption();
    }


    @Override
    public Object getPrimitiveJavaObject(Object o) {
        FloatOption object = (FloatOption) o;
        if (object == null || object.isNull()) {
            return null;
        }
        return object.get();
    }

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        return object.get();
    }


    @Override
    public Object getPrimitiveWritableObject(Object o) {
        FloatOption object = (FloatOption) o;
        if (object == null || object.isNull()) {
            return null;
        }
        return new FloatWritable(object.get());
    }

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     * floatの値を解析するテスト。
     * @throws Exception 例外が発生した場合
     */
    @Test
    public void fillFloat() throws Exception {
        FloatOption value = new FloatOption();
        create("float");


        assertThat(parser.next(), is(true));
        parser.fill(value);
        assertThat(value.get(), is(+0.f));
        parser.fill(value);
        assertThat(value.get(), is(-0.f));
        parser.fill(value);
        assertThat(value.get(), is(+10.5f));
        parser.fill(value);
        assertThat(value.get(), is(-10.5f));
        parser.endRecord();


        assertThat(parser.next(), is(true));
        parser.fill(value);
        assertThat(value.isNull(), is(true));
        parser.fill(value);
        assertThat(value.get(), is(Float.POSITIVE_INFINITY));
        parser.fill(value);
        assertThat(value.get(), is(Float.NEGATIVE_INFINITY));
        parser.fill(value);
        assertThat(value.get(), is(Float.NaN));
        parser.endRecord();


        assertThat(parser.next(), is(false));
    }

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     * test for float values.
     * @throws Exception if failed
     */
    @Test
    public void float_values() throws Exception {
        assertRestorable(new FloatOption(0));
        assertRestorable(new FloatOption(1));
        assertRestorable(new FloatOption(-1));
        assertRestorable(new FloatOption(50));
        assertRestorable(new FloatOption(-50));
        assertRestorable(new FloatOption(Float.MAX_VALUE));
        assertRestorable(new FloatOption(Float.MIN_VALUE));
        assertRestorable(new FloatOption());
    }

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    @Test
    public void float_values() throws Exception {
        CsvParser parser = create(
                "0,1,50,-1,-50,"
                + "0.5,-0.5,100.,-100., 0,0 ,");
        FloatOption option = new FloatOption();


        assertThat(parser.next(), is(true));


        parser.fill(option);
        assertThat(option.get(), is((float) 0));


        parser.fill(option);
        assertThat(option.get(), is((float) 1));


        parser.fill(option);
        assertThat(option.get(), is((float) 50));


        parser.fill(option);
        assertThat(option.get(), is((float) -1));


        parser.fill(option);
        assertThat(option.get(), is((float) -50));


        parser.fill(option);
        assertThat(option.get(), is((float) 0.5));


        parser.fill(option);
        assertThat(option.get(), is((float) -0.5));


        parser.fill(option);
        assertThat(option.get(), is((float) 100.));


        parser.fill(option);
        assertThat(option.get(), is((float) -100.));


        parser.fill(option);
        assertThat(option.get(), is((float) 0));


        parser.fill(option);
        assertThat(option.get(), is((float) 0));


        parser.fill(option);
        assertThat(option.isNull(), is(true));


        parser.endRecord();
        assertThat(parser.next(), is(false));
    }

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    @Test
    public void invalid_float() throws Exception {
        CsvParser parser = create(String.valueOf("?"));
        assertThat(parser.next(), is(true));
        try {
            parser.fill(new FloatOption());
            fail();
        } catch (CsvFormatException e) {
            assertThat(e.getStatus().getReason(), is(Reason.INVALID_CELL_FORMAT));
        }
    }

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     * floatの値を出力するテスト。
     * @throws Exception 例外が発生した場合
     */
    @Test
    public void emitFloat() throws Exception {
        FloatOption value = new FloatOption();


        value.modify(+0.f);
        emitter.emit(value);
        value.modify(-0.f);
        emitter.emit(value);
        value.modify(+10.5f);
        emitter.emit(value);
        value.modify(-10.5f);
        emitter.emit(value);
        emitter.endRecord();


        value.setNull();
        emitter.emit(value);
        value.modify(Float.POSITIVE_INFINITY);
        emitter.emit(value);
        value.modify(Float.NEGATIVE_INFINITY);
        emitter.emit(value);
        value.modify(Float.NaN);
        emitter.emit(value);
        emitter.endRecord();


        emitter.close();
        emitter.close();


        RecordParser parser = parser();
        assertThat(parser.next(), is(true));
        parser.fill(value);
        assertThat(value.get(), is(+0.f));
        parser.fill(value);
        assertThat(value.get(), is(-0.f));
        parser.fill(value);
        assertThat(value.get(), is(+10.5f));
        parser.fill(value);
        assertThat(value.get(), is(-10.5f));


        assertThat(parser.next(), is(true));
        parser.fill(value);
        assertThat(value.isNull(), is(true));
        parser.fill(value);
        assertThat(value.get(), is(Float.POSITIVE_INFINITY));
        parser.fill(value);
        assertThat(value.get(), is(Float.NEGATIVE_INFINITY));
        parser.fill(value);
        assertThat(value.get(), is(Float.NaN));


        assertThat(parser.next(), is(false));
    }

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Related Classes of com.asakusafw.runtime.value.FloatOption

com.asakusafw.directio.hive.serde.FloatOptionInspector

com.asakusafw.runtime.io.csv.CsvEmitterTest

com.asakusafw.runtime.io.csv.CsvParserTest

com.asakusafw.runtime.io.TsvEmitterTest

com.asakusafw.runtime.io.TsvParserTest

java.io.IOException

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