/*
* Copyright 2012 NGDATA nv
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.lilyproject.util.repo;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.lilyproject.repository.api.FieldType;
import org.lilyproject.repository.api.FieldTypeNotFoundException;
import org.lilyproject.repository.api.QName;
import org.lilyproject.repository.api.RepositoryException;
import org.lilyproject.repository.api.SchemaId;
import org.lilyproject.repository.api.Scope;
import org.lilyproject.repository.api.TypeManager;
public class FieldTypeUtil {
private FieldTypeUtil() {
}
public static Map<Scope, Set<FieldType>> getFieldTypeAndScope(Set<SchemaId> fieldIds, FieldFilter fieldFilter,
TypeManager typeManager) throws RepositoryException, InterruptedException {
// Could be written more elegantly using Multimaps.index, but we want to limit dependencies
Map<Scope, Set<FieldType>> result = new EnumMap<Scope, Set<FieldType>>(Scope.class);
for (Scope scope : Scope.values()) {
result.put(scope, new HashSet<FieldType>());
}
for (SchemaId fieldId : fieldIds) {
FieldType fieldType;
try {
fieldType = typeManager.getFieldTypeById(fieldId);
} catch (FieldTypeNotFoundException e) {
// A field whose field type does not exist: skip it
continue;
}
if (fieldFilter.accept(fieldType)) {
result.get(fieldType.getScope()).add(fieldType);
}
}
return result;
}
public static Map<Scope, Set<SchemaId>> getFieldTypeIdsAndScope(Set<SchemaId> fieldIds, FieldFilter fieldFilter,
TypeManager typeManager) throws RepositoryException, InterruptedException {
Map<Scope, Set<SchemaId>> result = new HashMap<Scope, Set<SchemaId>>();
Map<Scope, Set<FieldType>> fieldTypesByScope = getFieldTypeAndScope(fieldIds, fieldFilter, typeManager);
for (Scope scope: fieldTypesByScope.keySet()) {
Set<SchemaId> schemaIds = new HashSet<SchemaId>();
for (FieldType t: fieldTypesByScope.get(scope)) {
schemaIds.add(t.getId());
}
result.put(scope, schemaIds);
}
return result;
}
public static Map<Scope, Set<QName>> getFieldTypeNamesAndScope(Set<SchemaId> fieldIds, FieldFilter fieldFilter,
TypeManager typeManager) throws RepositoryException, InterruptedException {
Map<Scope, Set<QName>> result = new HashMap<Scope, Set<QName>>();
Map<Scope, Set<FieldType>> fieldTypesByScope = getFieldTypeAndScope(fieldIds, fieldFilter, typeManager);
for (Scope scope: fieldTypesByScope.keySet()) {
Set<QName> schemaIds = new HashSet<QName>();
for (FieldType t: fieldTypesByScope.get(scope)) {
schemaIds.add(t.getName());
}
result.put(scope, schemaIds);
}
return result;
}
}