private static ArrayRecord<?> getArrayRecord(
Configuration configuration, Array array, Class<? extends ArrayRecord<?>> type)
throws SQLException {
if (array == null) {
return null;
} else {
// TODO: [#523] Use array record meta data instead
ArrayRecord<?> record = Util.newArrayRecord(type, configuration);
record.set(array);
return record;
}
}
@SuppressWarnings({"unchecked"})
ArrayTable(Field<?> array, String alias) {
super(alias);
Class<?> arrayType;
// TODO [#523] Solve this in a more object-oriented way...
if (array.getDataType().getType().isArray()) {
arrayType = array.getDataType().getType().getComponentType();
}
// [#1110] Keep track of element type information of Oracle VARRAY / TABLE types
else if (array instanceof ArrayConstant) {
arrayType = array.getDataType().getType();
}
// [#1111] Keep track of element type information of Oracle
// VARRAY / TABLE types returned from functions
else if (ArrayRecord.class.isAssignableFrom(array.getDataType().getType())) {
// TODO [#523] This information should be available in ARRAY meta-data
ArrayRecord<?> dummy =
Utils.newArrayRecord(
(Class<ArrayRecord<?>>) array.getDataType().getType(), new DefaultConfiguration());
arrayType = dummy.getDataType().getType();
}
// Is this case possible?
else {
arrayType = Object.class;
}
this.array = array;
this.alias = alias;
this.field = init(alias, arrayType);
init(alias, arrayType);
}
private static <T> void writeToSQLOutput(
SQLOutput stream, Class<? extends T> type, DataType<T> dataType, T value)
throws SQLException {
if (value == null) {
stream.writeObject(null);
} else if (type == Blob.class) {
stream.writeBlob((Blob) value);
} else if (type == Boolean.class) {
stream.writeBoolean((Boolean) value);
} else if (type == BigInteger.class) {
stream.writeBigDecimal(new BigDecimal((BigInteger) value));
} else if (type == BigDecimal.class) {
stream.writeBigDecimal((BigDecimal) value);
} else if (type == Byte.class) {
stream.writeByte((Byte) value);
} else if (type == byte[].class) {
// [#1327] Oracle cannot serialise BLOBs as byte[] to SQLOutput
// Use reflection to avoid dependency on OJDBC
if (dataType.isLob()) {
Blob blob = null;
try {
blob =
on("oracle.sql.BLOB")
.call(
"createTemporary",
on(stream).call("getSTRUCT").call("getJavaSqlConnection").get(),
false,
on("oracle.sql.BLOB").get("DURATION_SESSION"))
.get();
blob.setBytes(1, (byte[]) value);
stream.writeBlob(blob);
} finally {
DefaultExecuteContext.register(blob);
}
} else {
stream.writeBytes((byte[]) value);
}
} else if (type == Clob.class) {
stream.writeClob((Clob) value);
} else if (type == Date.class) {
stream.writeDate((Date) value);
} else if (type == Double.class) {
stream.writeDouble((Double) value);
} else if (type == Float.class) {
stream.writeFloat((Float) value);
} else if (type == Integer.class) {
stream.writeInt((Integer) value);
} else if (type == Long.class) {
stream.writeLong((Long) value);
} else if (type == Short.class) {
stream.writeShort((Short) value);
} else if (type == String.class) {
// [#1327] Oracle cannot serialise CLOBs as String to SQLOutput
// Use reflection to avoid dependency on OJDBC
if (dataType.isLob()) {
Clob clob = null;
try {
clob =
on("oracle.sql.CLOB")
.call(
"createTemporary",
on(stream).call("getSTRUCT").call("getJavaSqlConnection").get(),
false,
on("oracle.sql.CLOB").get("DURATION_SESSION"))
.get();
clob.setString(1, (String) value);
stream.writeClob(clob);
} finally {
DefaultExecuteContext.register(clob);
}
} else {
stream.writeString((String) value);
}
} else if (type == Time.class) {
stream.writeTime((Time) value);
} else if (type == Timestamp.class) {
stream.writeTimestamp((Timestamp) value);
} else if (type == YearToMonth.class) {
stream.writeString(value.toString());
} else if (type == DayToSecond.class) {
stream.writeString(value.toString());
}
// else if (type.isArray()) {
// stream.writeArray(value);
// }
else if (UNumber.class.isAssignableFrom(type)) {
stream.writeString(value.toString());
} else if (ArrayRecord.class.isAssignableFrom(type)) {
// [#1544] We can safely assume that localConfiguration has been
// set on DefaultBindContext, prior to serialising arrays to SQLOut
Connection connection = getDriverConnection(DefaultBindContext.LOCAL_CONFIGURATION.get());
ArrayRecord<?> arrayRecord = (ArrayRecord<?>) value;
stream.writeArray(
on(connection)
.call("createARRAY", arrayRecord.getName(), arrayRecord.get())
.<Array>get());
} else if (EnumType.class.isAssignableFrom(type)) {
stream.writeString(((EnumType) value).getLiteral());
} else if (MasterDataType.class.isAssignableFrom(type)) {
Object key = ((MasterDataType<?>) value).getPrimaryKey();
writeToSQLOutput(stream, key.getClass(), key);
} else if (UDTRecord.class.isAssignableFrom(type)) {
stream.writeObject((UDTRecord<?>) value);
} else {
throw new UnsupportedOperationException("Type " + type + " is not supported");
}
}