protected Object getValueField(T state, Field field) throws PropertyException {
Type type = field.getType();
String name = field.getName().getPrefixedName();
name = internalName(name);
if (type.isSimpleType()) {
// scalar
return state.getSingle(name);
} else if (type.isComplexType()) {
// complex property
T childState = getChild(state, name, type);
if (childState == null) {
return null;
}
return getValueComplex(childState, (ComplexType) type);
} else {
// array or list
Type fieldType = ((ListType) type).getFieldType();
if (fieldType.isSimpleType()) {
// array
return state.getArray(name);
} else {
// complex list
List<T> childStates = getChildAsList(state, name);
List<Object> list = new ArrayList<>(childStates.size());
for (T childState : childStates) {
Object value = getValueComplex(childState, (ComplexType) fieldType);
list.add(value);
}
return list;
}
}
}
/** Checks for ignored writes. May throw. */
protected boolean checkReadOnlyIgnoredWrite(Property property, T state) throws PropertyException {
String name = property.getField().getName().getPrefixedName();
if (!isReadOnly() || isVersionWritableProperty(name)) {
// do write
return false;
}
if (!isVersion()) {
throw new PropertyException("Cannot write readonly property: " + name);
}
if (!name.startsWith(DC_PREFIX)) {
throw new PropertyException("Cannot set property on a version: " + name);
}
// ignore if value is unchanged (only for dublincore)
// dublincore contains only scalars and arrays
Object value = property.getValueForWrite();
Object oldValue;
if (property.getType().isSimpleType()) {
oldValue = state.getSingle(name);
} else {
oldValue = state.getArray(name);
}
if (!ArrayUtils.isEquals(value, oldValue)) {
// do write
return false;
}
// ignore attempt to write identical value
return true;
}
/** Reads state into a complex property. */
protected void readComplexProperty(T state, ComplexProperty complexProperty)
throws PropertyException {
if (state == null) {
complexProperty.init(null);
return;
}
if (complexProperty instanceof BlobProperty) {
Blob blob = getValueBlob(state);
complexProperty.init((Serializable) blob);
return;
}
for (Property property : complexProperty) {
String name = property.getField().getName().getPrefixedName();
name = internalName(name);
Type type = property.getType();
if (type.isSimpleType()) {
// simple property
Object value = state.getSingle(name);
if (value instanceof Delta) {
value = ((Delta) value).getFullValue();
}
property.init((Serializable) value);
} else if (type.isComplexType()) {
// complex property
T childState = getChild(state, name, type);
readComplexProperty(childState, (ComplexProperty) property);
((ComplexProperty) property).removePhantomFlag();
} else {
ListType listType = (ListType) type;
if (listType.getFieldType().isSimpleType()) {
// array
Object[] array = state.getArray(name);
array = typedArray(listType.getFieldType(), array);
property.init(array);
} else {
// complex list
Field listField = listType.getField();
List<T> childStates = getChildAsList(state, name);
// TODO property.init(null) if null children in DBS
List<Object> list = new ArrayList<>(childStates.size());
for (T childState : childStates) {
ComplexProperty p =
(ComplexProperty) complexProperty.getRoot().createProperty(property, listField, 0);
readComplexProperty(childState, p);
list.add(p.getValue());
}
property.init((Serializable) list);
}
}
}
}
protected void readPrefetchField(
T state,
Field field,
String xpathGeneric,
String xpath,
Set<String> prefixes,
Map<String, Serializable> prefetch) {
String name = field.getName().getPrefixedName();
Type type = field.getType();
xpathGeneric = xpathGeneric == null ? name : xpathGeneric + '/' + name;
xpath = xpath == null ? name : xpath + '/' + name;
if (!prefixes.contains(xpathGeneric)) {
return;
}
if (type.isSimpleType()) {
// scalar
Object value = state.getSingle(name);
prefetch.put(xpath, (Serializable) value);
} else if (type.isComplexType()) {
// complex property
T childState = getChild(state, name, type);
if (childState != null) {
readPrefetch(childState, (ComplexType) type, xpathGeneric, xpath, prefixes, prefetch);
}
} else {
// array or list
ListType listType = (ListType) type;
if (listType.getFieldType().isSimpleType()) {
// array
Object[] value = state.getArray(name);
prefetch.put(xpath, value);
} else {
// complex list
List<T> childStates = getChildAsList(state, name);
Field listField = listType.getField();
xpathGeneric += "/*";
int i = 0;
for (T childState : childStates) {
readPrefetch(
childState,
(ComplexType) listField.getType(),
xpathGeneric,
xpath + '/' + i++,
prefixes,
prefetch);
}
}
}
}
protected BlobInfo getBlobInfo(T state) throws PropertyException {
BlobInfo blobInfo = new BlobInfo();
blobInfo.key = (String) state.getSingle(BLOB_DATA);
blobInfo.filename = (String) state.getSingle(BLOB_NAME);
blobInfo.mimeType = (String) state.getSingle(BLOB_MIME_TYPE);
blobInfo.encoding = (String) state.getSingle(BLOB_ENCODING);
blobInfo.digest = (String) state.getSingle(BLOB_DIGEST);
blobInfo.length = (Long) state.getSingle(BLOB_LENGTH);
return blobInfo;
}