Java BeanPropertySet类代码示例

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public DefaultTableItemListingBuilder(Class<T> beanType) {
	super(new DefaultBeanListing<>(RenderingMode.TABLE));
	ObjectUtils.argumentNotNull(beanType, "Item bean type must be not null");
	// setup datasource
	BeanPropertySet<T> ps = BeanPropertySet.create(beanType);
	getInstance().setPropertySet(ps);
	final List<String> nested = new LinkedList<>();
	ps.forEach(p -> {
		final String name = p.fullName();
		dataSourceBuilder.withProperty(name, p.getType());

		if (p.getParent().isPresent()) {
			nested.add(p.relativeName());
		}
	});
	// item adapter
	dataSourceBuilder.itemAdapter(new BeanItemAdapter(nested));
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@SuppressWarnings("unchecked")
public DefaultGridItemListingBuilder(Class<T> beanType) {
	super(new DefaultBeanListing<>(RenderingMode.GRID));
	ObjectUtils.argumentNotNull(beanType, "Item bean type must be not null");
	// setup datasource
	BeanPropertySet<T> ps = BeanPropertySet.create(beanType);
	getInstance().setPropertySet(ps);
	final List<String> nested = new LinkedList<>();
	ps.forEach(p -> {
		final String name = p.fullName();
		dataSourceBuilder.withProperty(name, p.getType());

		if (p.getParent().isPresent()) {
			nested.add(p.relativeName());
		}
	});
	// item adapter
	dataSourceBuilder.itemAdapter(new BeanItemAdapter(nested));
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
/**
 * Set the entity id values of given <code>entity</code> instance to be returned as an {@link OperationResult}.
 * @param result OperationResult in which to set the ids
 * @param entityManager EntityManager
 * @param set Entity bean property set
 * @param entity Entity class
 * @param instance Entity instance
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
private static void setInsertedIds(OperationResult.Builder result, EntityManager entityManager,
		BeanPropertySet<Object> set, Class<?> entity, Object instance, boolean bringBackGeneratedIds,
		PropertyBox propertyBox) {
	try {
		getIds(entityManager, set, entity).forEach(p -> {
			Object keyValue = set.read(p, instance);
			result.withInsertedKey(p, keyValue);
			if (bringBackGeneratedIds && keyValue != null) {
				// set in propertybox
				Property property = getPropertyForPath(p, propertyBox);
				if (property != null) {
					propertyBox.setValue(property, keyValue);
				}
			}
		});
	} catch (Exception e) {
		LOGGER.warn("Failed to obtain entity id(s) value", e);
	}
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@Test
public void testBeanPropertyPostProcessors() {

	BeanPropertySet<TestJpaDomain> set = BeanPropertySet.create(TestJpaDomain.class);

	assertTrue(set.getProperty("dateValue").isPresent());
	assertEquals(TemporalType.DATE,
			set.getProperty("dateValue").get().getConfiguration().getTemporalType().orElse(null));

	assertTrue(set.getProperty("enumValue").isPresent());
	assertTrue(set.getProperty("enumValue").get().getConverter().isPresent());
	assertEquals(EnumByOrdinalConverter.class, set.getProperty("enumValue").get().getConverter().get().getClass());

	assertEquals("enmv", set.getProperty("enumValue").get().getConfiguration()
			.getParameter(JpaPropertyConfiguration.COLUMN_NAME).orElse(null));
	assertEquals("nested", set.getProperty("nested").get().getConfiguration()
			.getParameter(JpaPropertyConfiguration.COLUMN_NAME).orElse(null));

}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public <T> BeanPropertySet<T> getPropertySet(Class<? extends T> beanClass, Path<?> parentPath) {
	ObjectUtils.argumentNotNull(beanClass, "Bean class must be not null");
	LOGGER.debug(() -> "Get BeanPropertySet for bean class [" + beanClass + "]");
	synchronized (cache) {
		if (CACHE_ENABLED && cache.containsKey(beanClass)) {
			return cache.get(beanClass);
		}
		BeanPropertySet beanPropertySet = buildBeanPropertySet(beanClass, parentPath);
		if (CACHE_ENABLED) {
			BeanPropertySet existing = cache.putIfAbsent(beanClass, beanPropertySet);
			return (existing != null ? existing : beanPropertySet);
		}
		return beanPropertySet;
	}
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@Override
public OperationResult insert(DataTarget<?> target, PropertyBox propertyBox, WriteOption... options) {

	ObjectUtils.argumentNotNull(target, "DataTarget must be not null");
	ObjectUtils.argumentNotNull(propertyBox, "PropertyBox must be not null");

	return withEntityManager(entityManager -> {

		// get entity class
		Class<?> entity = getEntityClass(target, entityManager);

		// create a new instance
		Object instance = entity.newInstance();
		// Bean property set
		final BeanPropertySet<Object> set = getBeanIntrospector().getPropertySet(entity);
		// persist entity
		entityManager.persist(set.write(propertyBox, instance));

		// check auto-flush
		if (isAutoFlush() || JpaDatastoreUtils.isFlush(options)) {
			entityManager.flush();
		}

		OperationResult.Builder result = OperationResult.builder().type(OperationType.INSERT).affectedCount(1);

		// get ids
		setInsertedIds(result, entityManager, set, entity, instance, isBringBackGeneratedIds(options), propertyBox);

		return result.build();

	});
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@Override
public OperationResult save(DataTarget<?> target, PropertyBox propertyBox, WriteOption... options) {

	ObjectUtils.argumentNotNull(target, "DataTarget must be not null");
	ObjectUtils.argumentNotNull(propertyBox, "PropertyBox must be not null");

	return withEntityManager(entityManager -> {

		// get entity class
		Class<?> entity = getEntityClass(target, entityManager);

		OperationResult.Builder result = OperationResult.builder().affectedCount(1);

		// Bean property set
		final BeanPropertySet<Object> set = getBeanIntrospector().getPropertySet(entity);

		// create instance and write values
		Object instance = set.write(propertyBox, entity.newInstance());

		// check has identifier
		if (entityManager.getEntityManagerFactory().getPersistenceUnitUtil().getIdentifier(instance) == null) {
			result.type(OperationType.INSERT);
			entityManager.persist(instance);
		} else {
			result.type(OperationType.UPDATE);
			entityManager.merge(instance);
		}

		// check auto-flush
		if (isAutoFlush() || JpaDatastoreUtils.isFlush(options)) {
			entityManager.flush();
		}

		// get ids
		setInsertedIds(result, entityManager, set, entity, instance, isBringBackGeneratedIds(options), propertyBox);

		return result.build();

	});
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
public AbstractBeanConverter(BeanPropertySet<T> beanPropertySet, Path<?>[] selection,
		Map<Path<?>, String> selectionAlias) {
	super();
	this.beanPropertySet = beanPropertySet;
	this.selection = selection;
	this.selectionAlias = selectionAlias;
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
/**
 * Build a new {@link BeanPropertySet} for given bean class
 * @param beanClass Bean class for which to build the BeanPropertySet
 * @param parentPath Optional parent path to set as bean root properties parent path
 * @return BeanPropertySet instance
 * @throws BeanIntrospectionException Error during bean introspection
 */
private <T> BeanPropertySet<T> buildBeanPropertySet(Class<? extends T> beanClass, Path<?> parentPath)
		throws BeanIntrospectionException {
	LOGGER.debug(() -> "Build BeanPropertySet for bean class [" + beanClass + "]");
	List<BeanProperty<?>> properties = resolveBeanProperties(beanClass, parentPath, null);
	// sort
	properties.sort(SEQUENCE_COMPARATOR);
	return new DefaultBeanPropertySet<>(beanClass, properties);
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@Test
public void testPropertyReadWrite() {

	BeanPropertySet<TestBeanPropertyBean> set = BeanIntrospector.get().getPropertySet(TestBeanPropertyBean.class);

	TestBeanPropertyBean instance = new TestBeanPropertyBean();

	set.write("name", "test", instance);
	set.write("lng", 7L, instance);
	set.write("notneg", 1, instance);
	set.write("numbool", Boolean.TRUE, instance);
	set.write("enm", TestEnum2.B, instance);
	set.write("enmOrdinal", TestEnum.ONE, instance);

	assertEquals("test", set.read("name", instance));
	assertEquals(Boolean.TRUE, set.read("numbool", instance));
	assertEquals(TestEnum2.B, set.read("enm", instance));
	assertEquals(TestEnum.ONE, set.read("enmOrdinal", instance));
	assertEquals(Long.valueOf(7), set.read("lng", instance));
	assertEquals(Integer.valueOf(1), set.read("notneg", instance));

	PathProperty<Integer> modelEnum = PathProperty.create("enmOrdinal", Integer.class);
	PropertyBox pb = PropertyBox.create(modelEnum);

	set.read(pb, instance);

}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@Test
public void testBeanPropertiesNone() {

	BeanPropertySet<Object> ctx = BeanIntrospector.get().getPropertySet(Object.class);
	assertNotNull(ctx);
	assertEquals(0, ctx.size());

}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@SuppressWarnings("boxing")
@Test
public void testIgnoreProperty() {

	BeanPropertySet<TestBean> testBeanContext = BeanIntrospector.get().getPropertySet(TestBean.class);
	BeanPropertySet<TestBean2> testBean2Context = BeanIntrospector.get().getPropertySet(TestBean2.class);

	assertFalse(testBeanContext.getProperty("internalToIgnore").isPresent());

	assertFalse(testBean2Context.getProperty("nested").isPresent());
	assertFalse(testBean2Context.getProperty("nested.nestedId").isPresent());
	assertFalse(testBean2Context.getProperty("nested.nestedDate").isPresent());

	Date date = new Date();

	TestBean2 testMock = mock(TestBean2.class);
	when(testMock.getSomeDecimal()).thenReturn(new BigDecimal(2.7));

	TestNested testNested = mock(TestNested.class);
	when(testNested.getNestedId()).thenReturn(2L);
	when(testNested.getNestedDate()).thenReturn(date);

	when(testMock.getNested()).thenReturn(testNested);

	Object value = testBean2Context.read("someDecimal", testMock);
	assertEquals(new BigDecimal(2.7), value);
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
/**
 * Constructor
 * @param dialect Dialect (not null)
 * @param beanPropertySet Bean property set (not null)
 * @param pathSelection Query selection (not null)
 */
public BeanResultSetConverter(JdbcDialect dialect, BeanPropertySet<T> beanPropertySet,
		Map<String, Path<?>> pathSelection) {
	super();

	ObjectUtils.argumentNotNull(dialect, "Dialect must be not null");
	ObjectUtils.argumentNotNull(beanPropertySet, "Bean property set must be not null");
	ObjectUtils.argumentNotNull(pathSelection, "Selection must be not null");

	this.dialect = dialect;
	this.beanPropertySet = beanPropertySet;
	this.pathSelection = pathSelection;
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
public void setPropertySet(BeanPropertySet<T> propertySet) {
	this.propertySet = propertySet;
}
 

import com.holonplatform.core.beans.BeanPropertySet; //导入依赖的package包/类
@Override
public OperationResult execute() {
	if (values.isEmpty()) {
		throw new DataAccessException("No values to insert");
	}

	return context.withEntityManager(entityManager -> {

		// try to detect batch size
		int batchSize = 0;
		Map<String, Object> properties = entityManager.getEntityManagerFactory().getProperties();
		if (properties != null) {
			try {
				Object hibernateBatchSize = properties.get("hibernate.jdbc.batch_size");
				if (hibernateBatchSize != null) {
					if (hibernateBatchSize instanceof Number) {
						batchSize = ((Number) hibernateBatchSize).intValue();
					} else if (hibernateBatchSize instanceof String) {
						batchSize = Integer.valueOf((String) hibernateBatchSize);
					}
				}

				if (batchSize <= 0) {
					Object eclipselinkBatchSize = properties.get("eclipselink.jdbc.batch-writing.size");
					if (eclipselinkBatchSize instanceof Number) {
						batchSize = ((Number) eclipselinkBatchSize).intValue();
					} else if (eclipselinkBatchSize instanceof String) {
						batchSize = Integer.valueOf((String) eclipselinkBatchSize);
					}
				}
			} catch (Exception e) {
				LOGGER.warn("Failed to detect batch insert size", e);
			}
		}

		// Get the JPA entity class
		final JpaResolutionContext resolutionContext = JpaResolutionContext.create(
				context.getEntityManagerFactory(), context.getORMPlatform().orElse(null), this,
				AliasMode.UNSUPPORTED);

		JpaEntity<?> jpaEntity = resolutionContext.resolve(target, JpaEntity.class, resolutionContext).orElseThrow(
				() -> new InvalidExpressionException("Failed to resolve data target [" + target + "]"));
		jpaEntity.validate();

		final Class<?> entity = jpaEntity.getEntityClass();

		// Bean property set
		final BeanPropertySet<Object> set = beanIntrospector.getPropertySet(entity);

		int i = 0;
		for (PropertyBox value : values) {
			// persist entity
			entityManager.persist(set.write(adapt(value), entity.newInstance()));
			// check flush
			if (batchSize > 0 && i % batchSize == 0) {
				entityManager.flush();
				entityManager.clear();
			}
		}

		// check auto-flush
		if (context.isAutoFlush() || JpaDatastoreUtils.isFlush(writeOptions)) {
			entityManager.flush();
		}

		return OperationResult.builder().type(OperationType.INSERT).affectedCount(values.size()).build();

	});
}