@Override
public String toString() {
if (row == null || !row.isAttached()) {
return "Invalid object";
}
StringBuilder sb = new StringBuilder(row.getTable().getName() + " = [");
String[] fields = getFieldNames();
for (String field : fields) {
long columnIndex = row.getColumnIndex(field);
ColumnType type = row.getColumnType(columnIndex);
sb.append("{");
switch (type) {
case BOOLEAN:
sb.append(field + ": " + row.getBoolean(columnIndex));
break;
case INTEGER:
sb.append(field + ": " + row.getLong(columnIndex));
break;
case FLOAT:
sb.append(field + ": " + row.getFloat(columnIndex));
break;
case DOUBLE:
sb.append(field + ": " + row.getDouble(columnIndex));
break;
case STRING:
sb.append(field + ": " + row.getString(columnIndex));
break;
case BINARY:
sb.append(field + ": " + row.getBinaryByteArray(columnIndex));
break;
case DATE:
sb.append(field + ": " + row.getDate(columnIndex));
break;
case LINK:
if (row.isNullLink(columnIndex)) {
sb.append("null");
} else {
sb.append(field + ": " + row.getTable().getLinkTarget(columnIndex).getName());
}
break;
case LINK_LIST:
String targetType = row.getTable().getLinkTarget(columnIndex).getName();
sb.append(
String.format(
"%s: RealmList<%s>[%s]", field, targetType, row.getLinkList(columnIndex).size()));
break;
case TABLE:
case MIXED:
default:
sb.append(field + ": ?");
}
sb.append("}, ");
}
sb.replace(sb.length() - 2, sb.length(), "");
sb.append("]");
return sb.toString();
}
/**
* Returns the object being linked to from this field.
*
* @param fieldName Name of field.
* @return the {@link DynamicRealmObject} representation of the linked object or {@code null} if
* no object is linked.
* @throws IllegalArgumentException if field name doesn't exists or it doesn't contain links to
* other objects.
*/
public DynamicRealmObject getObject(String fieldName) {
long columnIndex = row.getColumnIndex(fieldName);
if (row.isNullLink(columnIndex)) {
return null;
} else {
long linkRowIndex = row.getLink(columnIndex);
CheckedRow linkRow = row.getTable().getCheckedRow(linkRowIndex);
return new DynamicRealmObject(realm, linkRow);
}
}
/**
* Checks if the value of a given field is {@code null}.
*
* @param fieldName the name of field.
* @return {@code true} if field value is null, {@code false} otherwise.
* @throws IllegalArgumentException if field name doesn't exists.
*/
public boolean isNull(String fieldName) {
long columnIndex = row.getColumnIndex(fieldName);
ColumnType type = row.getColumnType(columnIndex);
switch (type) {
case LINK:
case LINK_LIST:
return row.isNullLink(columnIndex);
case BOOLEAN:
case INTEGER:
case FLOAT:
case DOUBLE:
case STRING:
case BINARY:
case DATE:
case TABLE:
case MIXED:
default:
return false;
}
}