private <T> void setPropertyUsingColumn(T obj, HColumn<String, byte[]> col, PropertyMappingDefinition md) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException { PropertyDescriptor pd = md.getPropDesc(); if (null == pd.getWriteMethod()) { throw new RuntimeException("property, " + pd.getName() + ", on class, " + obj.getClass().getName() + ", does not have a setter and therefore cannot be set"); } Object value = md.getConverter().convertCassTypeToObjType(md, col.getValue()); pd.getWriteMethod().invoke(obj, value); }
private byte[] createBytesFromPropertyValue(Object obj, PropertyMappingDefinition md) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException { Object retVal = reflectionHelper.invokeGetter(obj, md); // if no value, then signal with null bytes if (null == retVal) { return null; } @SuppressWarnings("unchecked") byte[] bytes = md.getConverter().convertObjTypeToCassType(retVal); return bytes; }
private byte[] generateColumnFamilyKeyFromPojo(Object obj, CFMappingDef<?> cfMapDef) { List<byte[]> segmentList = new ArrayList<byte[]>(cfMapDef.getKeyDef().getIdPropertyMap().size()); for (PropertyMappingDefinition md : cfMapDef.getKeyDef().getIdPropertyMap().values()) { Method meth = md.getPropDesc().getReadMethod(); segmentList.add(callMethodAndConvertToCassandraType(obj, meth, md.getConverter())); } return keyConcatStrategy.concat(segmentList); }
@SuppressWarnings("unchecked") private byte[] generateColumnFamilyKeyFromPkObj(CFMappingDef<?> cfMapDef, Object pkObj) { List<byte[]> segmentList = new ArrayList<byte[]>(cfMapDef.getKeyDef().getIdPropertyMap().size()); if (cfMapDef.getKeyDef().isComplexKey()) { Map<String, PropertyDescriptor> propertyDescriptorMap = cfMapDef.getKeyDef().getPropertyDescriptorMap(); for (String key : cfMapDef.getKeyDef().getIdPropertyMap().keySet()) { PropertyDescriptor pd = propertyDescriptorMap.get(key); segmentList.add(callMethodAndConvertToCassandraType(pkObj, pd.getReadMethod(), new DefaultConverter())); } } else { PropertyMappingDefinition md = cfMapDef.getKeyDef().getIdPropertyMap().values().iterator() .next(); segmentList.add(md.getConverter().convertObjTypeToCassType(pkObj)); } return keyConcatStrategy.concat(segmentList); }
@Test public void testGetColFamMapDefByClass() { ClassCacheMgr cacheMgr = new ClassCacheMgr(); cacheMgr.initializeCacheForClass(MyTestBean.class); CFMappingDef<?> cfMapDef = cacheMgr.getCfMapDef(MyTestBean.class, false); assertNotNull(cfMapDef); assertEquals( "TestBeanColumnFamily", cfMapDef.getColFamName()); assertNotNull( "Column family not registered properly", cacheMgr.getCfMapDef("TestBeanColumnFamily", false)); assertEquals(MyTestBean.class, cfMapDef.getEffectiveClass()); assertEquals("did not find @Id properly", "baseId", cfMapDef.getKeyDef().getIdPropertyMap() .values().iterator().next() .getPropDesc().getName()); assertEquals("did not setup properties properly", ColorConverter.class, cfMapDef.getPropMapByColumnName("color").getConverter().getClass()); }