content: /**
   * 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.v1.model.instance;
  
  import com.fasterxml.jackson.annotation.JsonAutoDetect;
  import com.fasterxml.jackson.annotation.JsonIgnore;
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import org.apache.atlas.model.typedef.AtlasBaseTypeDef;
  import org.apache.commons.collections.MapUtils;
  
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlRootElement;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  
  import static com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility.NONE;
  import static com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility.PUBLIC_ONLY;
  
  @JsonAutoDetect(getterVisibility = PUBLIC_ONLY, setterVisibility = PUBLIC_ONLY, fieldVisibility = NONE)
  @JsonInclude(JsonInclude.Include.ALWAYS)
  @JsonIgnoreProperties(ignoreUnknown = true)
  @XmlRootElement
  @XmlAccessorType(XmlAccessType.PROPERTY)
  public class Struct implements Serializable {
      public static final String JSON_CLASS_STRUCT = "org.apache.atlas.typesystem.json.InstanceSerialization$_Struct";
      private static final long serialVersionUID = 1L;
      private String              typeName;
      private Map<String, Object> values;
  
      public Struct() {
      }
  
      public Struct(Struct that) {
          if (that != null) {
              this.typeName = that.typeName;
  
              if (that.values != null) {
                  this.values = new HashMap<>(that.values);
              }
          }
      }
  
      public Struct(String typeName) {
          this(typeName, null);
      }
  
      public Struct(String typeName, Map<String, Object> values) {
          this.typeName = typeName;
          this.values   = values;
      }
  
      public Struct(Map<String, Object> map) {
          this();
  
          if (map != null) {
              this.typeName = Id.asString(map.get("typeName"));
              this.values   = Id.asMap(map.get("values"));
  
              this.normalize();
          }
      }
  
      // for serialization backward compatibility
      public String getJsonClass() {
          return JSON_CLASS_STRUCT;
      }
  
      public String getTypeName() {
          return typeName;
      }
  
      public void setTypeName(String typeName) {
          this.typeName = typeName;
      }
  
      public Map<String, Object> getValues() {
          return values;
      }
  
      public void setValues(Map<String, Object> values) {
          this.values = values;
      }
  
      @JsonIgnore
      public Map<String, Object> getValuesMap() {
          return values;
      }
  
      @JsonIgnore
      public void set(String attrName, Object attrValue) {
          if (values == null) {
              values = new HashMap<>();
          }
  
          values.put(attrName, attrValue);
      }
  
      @JsonIgnore
      public Object get(String attrName) {
          return values != null ? values.get(attrName) : null;
      }
  
      public void normalize() {
          if (MapUtils.isEmpty(values)) {
              return;
          }
  
          for (Map.Entry<String, Object> entry : values.entrySet()) {
              entry.setValue(normalizeAttributeValue(entry.getValue()));
          }
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(typeName, values);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
  
          if (o == null || o.getClass() != getClass()) {
              return false;
          }
  
          Struct obj = (Struct) o;
  
          return Objects.equals(typeName, obj.typeName) &&
                  Objects.equals(values, obj.values);
      }
  
      @Override
      public String toString() {
          return toString(new StringBuilder()).toString();
      }
  
      public StringBuilder toString(StringBuilder sb) {
          if (sb == null) {
              sb = new StringBuilder();
          }
  
          sb.append("Struct{");
          sb.append("typeName=").append(typeName);
          sb.append(", values={");
          AtlasBaseTypeDef.dumpObjects(values, sb);
          sb.append("}");
          sb.append("}");
  
          return sb;
      }
  
      private Object normalizeAttributeValue(Object value) {
          if (value instanceof Map) {
              Map<String, Object> mapValue  = (Map<String, Object>) value;
              String              jsonClass = (String) mapValue.get("jsonClass");
  
              if (jsonClass != null) {
                  if (Id.JSON_CLASS_ID.equals(jsonClass)) {
                      value = new Id(mapValue);
                  } else if (Struct.JSON_CLASS_STRUCT.equals(jsonClass)) {
                      value = new Struct(mapValue);
                  } else if (Referenceable.JSON_CLASS_REFERENCE.equals(jsonClass)) {
                      value = new Referenceable(mapValue);
                  }
              }
          } else if (value instanceof List) {
              List<Object> listValue       = (List<Object>) value;
              List<Object> normalizedValue = new ArrayList<>(listValue.size());
  
              for (Object val : listValue) {
                  normalizedValue.add(normalizeAttributeValue(val));
              }
  
              value = normalizedValue;
          }
  
          return value;
      }
  }
  