private Object getValue(Row row, ColumnMapping mapping, Definition def) {
Object value = null;
if (DataType.text().equals(mapping.type)) {
value = row.getString(def.getName());
} else if (DataType.blob().equals(mapping.type)) {
value = row.getBytes(def.getName());
} else if (DataType.map(DataType.text(), DataType.text()).equals(mapping.type)) {
value = row.getMap(def.getName(), String.class, String.class);
} else if (DataType.cint().equals(mapping.type)) {
value = row.getInt(def.getName());
} else if (DataType.bigint().equals(mapping.type)) {
value = row.getLong(def.getName());
} else if (DataType.timestamp().equals(mapping.type)) {
value = row.getDate(def.getName());
} else if (DataType.blob().equals(mapping.type)) {
value = row.getBytes(def.getName());
} else if (DataType.cdouble().equals(mapping.type)) {
value = row.getBytes(def.getName());
} else if (DataType.cfloat().equals(mapping.type)) {
value = row.getFloat(def.getName());
} else if (DataType.inet().equals(mapping.type)) {
value = row.getInet(def.getName());
} else if (DataType.cboolean().equals(mapping.type)) {
value = row.getBool(def.getName());
} else if (DataType.uuid().equals(mapping.type)) {
value = row.getUUID(def.getName());
}
// what if value is null? primitives won't like this
return value;
}
/**
* @param tablename the table name
* @param name the columnname
* @param value the value
* @return the mapped value
*/
Object toStatementValue(Tablename tablename, String name, Object value) {
if (isNullOrEmpty(value)) {
return null;
}
final DataType dataType = catalog.getColumnMetadata(tablename, name).getType();
// build in
if (UDTValueMapper.isBuildInType(dataType)) {
// enum
if (DataTypes.isTextDataType(dataType) && Enum.class.isAssignableFrom(value.getClass())) {
return value.toString();
}
// byte buffer (byte[])
if (dataType.equals(DataType.blob()) && byte[].class.isAssignableFrom(value.getClass())) {
return ByteBuffer.wrap((byte[]) value);
}
return value;
// udt
} else {
return toUdtValue(
tablename, catalog, catalog.getColumnMetadata(tablename, name).getType(), value);
}
}
protected void discoverBeanMethods() {
// break this off?
Class<?> ft = field.getType();
if (String.class.equals(ft)) {
type = DataType.text();
} else if (int.class.equals(ft)) {
type = DataType.cint();
} else if (Integer.class.equals(ft)) {
type = DataType.cint();
} else if (int.class.equals(ft)) {
type = DataType.cint();
} else if (Long.class.equals(ft)) {
type = DataType.bigint();
} else if (long.class.equals(ft)) {
type = DataType.bigint();
} else if (Date.class.equals(ft)) {
type = DataType.timestamp();
} else if (ByteBuffer.class.equals(ft)) {
type = DataType.blob();
} else if (Double.class.equals(ft)) {
type = DataType.cdouble();
} else if (double.class.equals(ft)) {
type = DataType.cdouble();
} else if (Float.class.equals(ft)) {
type = DataType.cfloat();
} else if (float.class.equals(ft)) {
type = DataType.cfloat();
} else if (Boolean.class.equals(ft)) {
type = DataType.cboolean();
}
// how to differentiate type tuuid and uuid
else if (UUID.class.equals(ft)) {
type = DataType.uuid();
}
// java.sql.timestamp is not directly supported
// remove it for now
/*else if (Timestamp.class.equals(ft)) {
type = DataType.timestamp();
}*/ else if (Map.class.isAssignableFrom(ft)) {
type = DataType.map(DataType.text(), DataType.text());
}
// getter and setter find
try {
String getMeth =
"get" + field.getName().substring(0, 1).toUpperCase() + field.getName().substring(1);
String setMeth =
"set" + field.getName().substring(0, 1).toUpperCase() + field.getName().substring(1);
getter = field.getDeclaringClass().getDeclaredMethod(getMeth);
setter = field.getDeclaringClass().getDeclaredMethod(setMeth, field.getType());
} catch (Exception e) {
// TODO some useful stuff: warning of non-conformance to java bean conventions
}
}
