public int[] findEntityIds(Map<String, String> publicMetadata, String[] wildcardFields)
throws RemoteException {
int[] ids =
ListUtils.toIntArray(getDataConfig().searchPublicMetadata(publicMetadata, wildcardFields));
Arrays.sort(ids);
return ids;
}
public WeaveRecordList getRows(String keyType, String[] keysArray) throws RemoteException {
DataConfig dataConfig = getDataConfig();
DataEntityMetadata params = new DataEntityMetadata();
params.setPublicValues(
PublicMetadata.ENTITYTYPE, EntityType.COLUMN, PublicMetadata.KEYTYPE, keyType);
List<Integer> columnIds =
new ArrayList<Integer>(dataConfig.searchPublicMetadata(params.publicMetadata, null));
if (columnIds.size() > MAX_COLUMN_REQUEST_COUNT)
columnIds = columnIds.subList(0, MAX_COLUMN_REQUEST_COUNT);
return DataService.getFilteredRows(ListUtils.toIntArray(columnIds), null, keysArray);
}
@SuppressWarnings({"rawtypes", "unchecked"})
private Object[] getParamsFromMap(String methodName, Map params) {
ExposedMethod exposedMethod = methodMap.get(methodName);
String[] argNames = exposedMethod.paramNames;
Class[] argTypes = exposedMethod.method.getParameterTypes();
Object[] argValues = new Object[argTypes.length];
Map extraParameters = null; // parameters that weren't mapped directly to method arguments
// For each method parameter, get the corresponding url parameter value.
if (argNames != null && params != null) {
// TODO: check why params is null
for (Object parameterName : params.keySet()) {
Object parameterValue = params.get(parameterName);
int index = ListUtils.findString((String) parameterName, argNames);
if (index >= 0) {
argValues[index] = parameterValue;
} else if (!parameterName.equals(METHOD)) {
if (extraParameters == null) extraParameters = new HashMap();
extraParameters.put(parameterName, parameterValue);
}
}
}
// support for a function having a single Map<String,String> parameter
// see if we can find a Map arg. If so, set it to extraParameters
if (argTypes != null) {
for (int i = 0; i < argTypes.length; i++) {
if (argTypes[i] == Map.class && argValues[i] == null) {
// avoid passing a null Map to the function
if (extraParameters == null) extraParameters = new HashMap<String, String>();
argValues[i] = extraParameters;
extraParameters = null;
break;
}
}
}
if (extraParameters != null) {
System.out.println("Received servlet request: " + methodToString(methodName, argValues));
System.out.println("Unused parameters: " + extraParameters.entrySet());
}
return argValues;
}
/**
* Use getEntities() instead. This function is provided for backwards compatibility only.
*
* @deprecated
*/
@Deprecated
public int[] getEntityChildIds(int parentId) throws RemoteException {
return ListUtils.toIntArray(getDataConfig().getChildIds(parentId));
}
/**
* @param metadata The metadata query.
* @return The id of the matching column.
* @throws RemoteException Thrown if the metadata query does not match exactly one column.
*/
@Deprecated
public AttributeColumnData getColumnFromMetadata(Map<String, String> metadata)
throws RemoteException {
if (metadata == null || metadata.size() == 0)
throw new RemoteException("No metadata query parameters specified.");
metadata.put(PublicMetadata.ENTITYTYPE, EntityType.COLUMN);
final String DATATABLE = "dataTable";
final String NAME = "name";
// exclude these parameters from the query
if (metadata.containsKey(NAME)) metadata.remove(PublicMetadata.TITLE);
String minStr = metadata.remove(PublicMetadata.MIN);
String maxStr = metadata.remove(PublicMetadata.MAX);
String paramsStr = metadata.remove(PrivateMetadata.SQLPARAMS);
DataConfig dataConfig = getDataConfig();
Collection<Integer> ids = dataConfig.searchPublicMetadata(metadata, null);
// attempt recovery for backwards compatibility
if (ids.size() == 0) {
if (metadata.containsKey(DATATABLE) && metadata.containsKey(NAME)) {
// try to find columns sqlTable==dataTable and sqlColumn=name
Map<String, String> privateMetadata = new HashMap<String, String>();
String sqlTable = metadata.get(DATATABLE);
String sqlColumn = metadata.get(NAME);
for (int i = 0; i < 2; i++) {
if (i == 1) sqlTable = sqlTable.toLowerCase();
privateMetadata.put(PrivateMetadata.SQLTABLE, sqlTable);
privateMetadata.put(PrivateMetadata.SQLCOLUMN, sqlColumn);
ids = dataConfig.searchPrivateMetadata(privateMetadata, null);
if (ids.size() > 0) break;
}
} else if (metadata.containsKey(NAME)
&& Strings.equal(metadata.get(PublicMetadata.DATATYPE), DataType.GEOMETRY)) {
metadata.put(PublicMetadata.TITLE, metadata.remove(NAME));
ids = dataConfig.searchPublicMetadata(metadata, null);
}
if (ids.size() == 0)
throw new RemoteException("No column matches metadata query: " + metadata);
}
// warning if more than one column
if (ids.size() > 1) {
String message =
String.format(
"WARNING: Multiple columns (%s) match metadata query: %s", ids.size(), metadata);
System.err.println(message);
// throw new RemoteException(message);
}
// return first column
int id = ListUtils.getFirstSortedItem(ids, DataConfig.NULL);
double min = Double.NaN, max = Double.NaN;
try {
min = (Double) cast(minStr, double.class);
} catch (Throwable t) {
}
try {
max = (Double) cast(maxStr, double.class);
} catch (Throwable t) {
}
String[] sqlParams = CSVParser.defaultParser.parseCSVRow(paramsStr, true);
return getColumn(id, min, max, sqlParams);
}
/**
* Use getEntities() instead. This function is provided for backwards compatibility only.
*
* @deprecated
*/
@Deprecated
public int[] getParents(int childId) throws RemoteException {
int[] ids = ListUtils.toIntArray(getDataConfig().getParentIds(childId));
Arrays.sort(ids);
return ids;
}
/**
* Tries to convert value to the given type
*
* @param value
* @param type
* @return value which may have been cast as the new type
*/
@SuppressWarnings({"unchecked", "rawtypes"})
protected Object cast(Object value, Class<?> type) {
if (value == null) {
if (type == double.class || type == Double.class) value = Double.NaN;
else if (type == float.class || type == Float.class) value = Float.NaN;
} else if (value instanceof String) {
try {
if (type == int.class || type == Integer.class) {
value = Integer.parseInt((String) value);
} else if (type == float.class || type == Float.class) {
value = Float.parseFloat((String) value);
} else if (type == double.class || type == Double.class) {
value = Double.parseDouble((String) value);
} else if (type == boolean.class || type == Boolean.class) {
// value = Boolean.parseBoolean((String)value);
value = ((String) (value)).equalsIgnoreCase("true");
} else if (type.isArray() || type == List.class) {
String[][] table = CSVParser.defaultParser.parseCSV((String) value, true);
if (table.length == 0) value = new String[0]; // empty
else value = table[0]; // first row
if (type == List.class) value = Arrays.asList((String[]) value);
else value = cast(value, type);
} else if (type == InputStream.class) {
try {
String temp = (String) value;
value = (InputStream) new ByteArrayInputStream(temp.getBytes("UTF-8"));
} catch (Exception e) {
return null;
}
}
} catch (NumberFormatException e) {
// if number parsing fails, leave the original value untouched
}
} else if (value instanceof Boolean && type == boolean.class) {
value = (boolean) (Boolean) value;
} else if (value.getClass() == ArrayList.class) {
value = cast(((ArrayList) value).toArray(), type);
} else if (value.getClass().isArray()) {
Object[] valueArray = (Object[]) value;
if (type == List.class) {
value = ListUtils.copyArrayToList(valueArray, new Vector());
} else if (type == Object[][].class) {
Object[][] valueMatrix = new Object[valueArray.length][];
for (int i = 0; i < valueArray.length; i++) {
valueMatrix[i] = (Object[]) valueArray[i];
}
value = valueMatrix;
} else if (type == String[][].class) {
String[][] valueMatrix = new String[valueArray.length][];
for (int i = 0; i < valueArray.length; i++) {
// cast Objects to Strings
Object[] objectArray = (Object[]) valueArray[i];
valueMatrix[i] = ListUtils.copyStringArray(objectArray, new String[objectArray.length]);
}
value = valueMatrix;
} else if (type == String[].class) {
value = ListUtils.copyStringArray(valueArray, new String[valueArray.length]);
} else if (type == double[][].class) {
double[][] valueMatrix = new double[valueArray.length][];
for (int i = 0; i < valueArray.length; i++) {
// cast Objects to doubles
Object[] objectArray = (Object[]) valueArray[i];
valueMatrix[i] = ListUtils.copyDoubleArray(objectArray, new double[objectArray.length]);
}
value = valueMatrix;
} else if (type == double[].class) {
value = ListUtils.copyDoubleArray(valueArray, new double[valueArray.length]);
} else if (type == int[][].class) {
int[][] valueMatrix = new int[valueArray.length][];
for (int i = 0; i < valueArray.length; i++) {
// cast Objects to doubles
Object[] objectArray = (Object[]) valueArray[i];
valueMatrix[i] = ListUtils.copyIntegerArray(objectArray, new int[objectArray.length]);
}
value = valueMatrix;
} else if (type == int[].class) {
value = ListUtils.copyIntegerArray(valueArray, new int[valueArray.length]);
}
} else if (value instanceof Number) {
if (type == int.class || type == Integer.class) {
value = ((Number) value).intValue();
} else if (type == double.class || type == Double.class) {
value = ((Number) value).doubleValue();
} else if (type == float.class || type == Float.class) {
value = ((Number) value).floatValue();
}
}
return value;
}