| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.atlas.type; |
| |
| |
| import org.apache.atlas.exception.AtlasBaseException; |
| import org.apache.atlas.model.TypeCategory; |
| import org.apache.atlas.model.typedef.AtlasBaseTypeDef; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.*; |
| |
| |
| /** |
| * class that implements behaviour of a map-type. |
| */ |
| public class AtlasMapType extends AtlasType { |
| private static final Logger LOG = LoggerFactory.getLogger(AtlasEntityType.class); |
| |
| private final String keyTypeName; |
| private final String valueTypeName; |
| |
| private AtlasType keyType; |
| private AtlasType valueType; |
| |
| public AtlasMapType(String keyTypeName, String valueTypeName) { |
| super(AtlasBaseTypeDef.getMapTypeName(keyTypeName, valueTypeName), TypeCategory.MAP); |
| |
| this.keyTypeName = keyTypeName; |
| this.valueTypeName = valueTypeName; |
| } |
| |
| public AtlasMapType(AtlasType keyType, AtlasType valueType) { |
| super(AtlasBaseTypeDef.getMapTypeName(keyType.getTypeName(), valueType.getTypeName()), TypeCategory.MAP); |
| |
| this.keyTypeName = keyType.getTypeName(); |
| this.valueTypeName = valueType.getTypeName(); |
| this.keyType = keyType; |
| this.valueType = valueType; |
| } |
| |
| public AtlasMapType(String keyTypeName, String valueTypeName, AtlasTypeRegistry typeRegistry) |
| throws AtlasBaseException { |
| super(AtlasBaseTypeDef.getMapTypeName(keyTypeName, valueTypeName), TypeCategory.MAP); |
| |
| this.keyTypeName = keyTypeName; |
| this.valueTypeName = valueTypeName; |
| |
| resolveReferences(typeRegistry); |
| } |
| |
| public String getKeyTypeName() { |
| return keyTypeName; |
| } |
| |
| public String getValueTypeName() { |
| return valueTypeName; |
| } |
| |
| public AtlasType getKeyType() { |
| return keyType; |
| } |
| |
| public AtlasType getValueType() { |
| return valueType; |
| } |
| |
| public void setKeyType(AtlasType keyType) { |
| this.keyType = keyType; |
| } |
| |
| @Override |
| public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException { |
| this.keyType = typeRegistry.getType(keyTypeName); |
| this.valueType = typeRegistry.getType(valueTypeName); |
| } |
| |
| @Override |
| public Map<Object, Object> createDefaultValue() { |
| Map<Object, Object> ret = new HashMap<>(); |
| |
| Object key = keyType.createDefaultValue(); |
| |
| if ( key != null) { |
| ret.put(key, valueType.createDefaultValue()); |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public boolean isValidValue(Object obj) { |
| if (obj != null) { |
| if (obj instanceof Map) { |
| Map<Object, Objects> map = (Map<Object, Objects>) obj; |
| |
| for (Map.Entry e : map.entrySet()) { |
| if (!keyType.isValidValue(e.getKey()) || !valueType.isValidValue(e.getValue())) { |
| return false; // invalid key/value |
| } |
| } |
| } else { |
| return false; // invalid type |
| } |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public boolean isValidValueForUpdate(Object obj) { |
| if (obj != null) { |
| if (obj instanceof Map) { |
| Map<Object, Objects> map = (Map<Object, Objects>) obj; |
| |
| for (Map.Entry e : map.entrySet()) { |
| if (!keyType.isValidValueForUpdate(e.getKey()) || !valueType.isValidValueForUpdate(e.getValue())) { |
| return false; // invalid key/value |
| } |
| } |
| } else { |
| return false; // invalid type |
| } |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public Map<Object, Object> getNormalizedValue(Object obj) { |
| if (obj == null) { |
| return null; |
| } |
| |
| if (obj instanceof Map) { |
| Map<Object, Object> ret = new HashMap<>(); |
| |
| Map<Object, Objects> map = (Map<Object, Objects>) obj; |
| |
| for (Map.Entry e : map.entrySet()) { |
| Object normalizedKey = keyType.getNormalizedValue(e.getKey()); |
| |
| if (normalizedKey != null) { |
| Object value = e.getValue(); |
| |
| if (value != null) { |
| Object normalizedValue = valueType.getNormalizedValue(e.getValue()); |
| |
| if (normalizedValue != null) { |
| ret.put(normalizedKey, normalizedValue); |
| } else { |
| return null; // invalid value |
| } |
| } else { |
| ret.put(normalizedKey, value); |
| } |
| } else { |
| return null; // invalid key |
| } |
| } |
| |
| return ret; |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public Map<Object, Object> getNormalizedValueForUpdate(Object obj) { |
| if (obj == null) { |
| return null; |
| } |
| |
| if (obj instanceof Map) { |
| Map<Object, Object> ret = new HashMap<>(); |
| |
| Map<Object, Objects> map = (Map<Object, Objects>) obj; |
| |
| for (Map.Entry e : map.entrySet()) { |
| Object normalizedKey = keyType.getNormalizedValueForUpdate(e.getKey()); |
| |
| if (normalizedKey != null) { |
| Object value = e.getValue(); |
| |
| if (value != null) { |
| Object normalizedValue = valueType.getNormalizedValueForUpdate(e.getValue()); |
| |
| if (normalizedValue != null) { |
| ret.put(normalizedKey, normalizedValue); |
| } else { |
| return null; // invalid value |
| } |
| } else { |
| ret.put(normalizedKey, value); |
| } |
| } else { |
| return null; // invalid key |
| } |
| } |
| |
| return ret; |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public boolean validateValue(Object obj, String objName, List<String> messages) { |
| boolean ret = true; |
| |
| if (obj != null) { |
| if (obj instanceof Map) { |
| Map<Object, Objects> map = (Map<Object, Objects>) obj; |
| |
| for (Map.Entry e : map.entrySet()) { |
| Object key = e.getKey(); |
| |
| if (!keyType.isValidValue(key)) { |
| ret = false; |
| |
| messages.add(objName + "." + key + ": invalid key for type " + getTypeName()); |
| } else { |
| Object value = e.getValue(); |
| |
| ret = valueType.validateValue(value, objName + "." + key, messages) && ret; |
| } |
| } |
| } else { |
| ret = false; |
| |
| messages.add(objName + "=" + obj + ": invalid value for type " + getTypeName()); |
| } |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public boolean validateValueForUpdate(Object obj, String objName, List<String> messages) { |
| boolean ret = true; |
| |
| if (obj != null) { |
| if (obj instanceof Map) { |
| Map<Object, Objects> map = (Map<Object, Objects>) obj; |
| |
| for (Map.Entry e : map.entrySet()) { |
| Object key = e.getKey(); |
| |
| if (!keyType.isValidValueForUpdate(key)) { |
| ret = false; |
| |
| messages.add(objName + "." + key + ": invalid key for type " + getTypeName()); |
| } else { |
| Object value = e.getValue(); |
| |
| ret = valueType.validateValueForUpdate(value, objName + "." + key, messages) && ret; |
| } |
| } |
| } else { |
| ret = false; |
| |
| messages.add(objName + "=" + obj + ": invalid value for type " + getTypeName()); |
| } |
| } |
| |
| return ret; |
| } |
| |
| @Override |
| public AtlasType getTypeForAttribute() { |
| AtlasType keyAttributeType = keyType.getTypeForAttribute(); |
| AtlasType valueAttributeType = valueType.getTypeForAttribute(); |
| |
| if (keyAttributeType == keyType && valueAttributeType == valueType) { |
| return this; |
| } else { |
| AtlasType attributeType = new AtlasMapType(keyAttributeType, valueAttributeType); |
| |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("getTypeForAttribute(): {} ==> {}", getTypeName(), attributeType.getTypeName()); |
| } |
| |
| return attributeType; |
| } |
| } |
| } |