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.model.instance;
  
  import com.fasterxml.jackson.annotation.JsonAutoDetect;
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import org.apache.atlas.model.PList;
  import org.apache.atlas.model.SearchFilter.SortType;
  import org.apache.atlas.model.typedef.AtlasBaseTypeDef;
  import org.apache.commons.collections.CollectionUtils;
  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 javax.xml.bind.annotation.XmlSeeAlso;
  
  import java.io.Serializable;
  import java.text.DateFormat;
  import java.text.SimpleDateFormat;
  import java.util.Collection;
  import java.util.Date;
  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;
  
  /**
   * Captures details of struct contents. Not instantiated directly, used only via AtlasEntity, AtlasClassification.
   */
  @JsonAutoDetect(getterVisibility = PUBLIC_ONLY, setterVisibility = PUBLIC_ONLY, fieldVisibility = NONE)
  @JsonInclude(JsonInclude.Include.NON_NULL)
  @JsonIgnoreProperties(ignoreUnknown = true)
  @XmlRootElement
  @XmlAccessorType(XmlAccessType.PROPERTY)
  public class AtlasStruct implements Serializable {
      private static final long serialVersionUID = 1L;
  
      public static final String KEY_TYPENAME               = "typeName";
      public static final String KEY_ATTRIBUTES             = "attributes";
      public static final String SERIALIZED_DATE_FORMAT_STR = "yyyyMMdd-HH:mm:ss.SSS-Z";
  
      @Deprecated
      public static final DateFormat DATE_FORMATTER = new SimpleDateFormat(SERIALIZED_DATE_FORMAT_STR);
  
      private String              typeName;
      private Map<String, Object> attributes;
  
      public AtlasStruct() {
          this(null, null);
      }
  
      public AtlasStruct(String typeName) {
          this(typeName, null);
      }
  
      public AtlasStruct(String typeName, Map<String, Object> attributes) {
          setTypeName(typeName);
          setAttributes(attributes);
      }
  
      public AtlasStruct(String typeName, String attrName, Object attrValue) {
          setTypeName(typeName);
          setAttribute(attrName, attrValue);
      }
  
      public AtlasStruct(Map map) {
          if (map != null) {
              Object typeName   = map.get(KEY_TYPENAME);
              Map    attributes = (map.get(KEY_ATTRIBUTES) instanceof Map) ? (Map) map.get(KEY_ATTRIBUTES) : map;
  
              if (typeName != null) {
                  setTypeName(typeName.toString());
              }
  
              setAttributes(new HashMap<>(attributes));
          }
      }
  
      public AtlasStruct(AtlasStruct other) {
          if (other != null) {
              setTypeName(other.getTypeName());
              setAttributes(new HashMap<>(other.getAttributes()));
          }
      }
  
      public static StringBuilder dumpModelObjects(Collection<? extends AtlasStruct> objList, StringBuilder sb) {
          if (sb == null) {
              sb = new StringBuilder();
          }
  
          if (CollectionUtils.isNotEmpty(objList)) {
              int i = 0;
  
              for (AtlasStruct obj : objList) {
                  if (i > 0) {
                      sb.append(", ");
                  }
  
                  obj.toString(sb);
                  i++;
              }
          }
  
          return sb;
      }
  
      public static StringBuilder dumpObjects(Collection<?> objects, StringBuilder sb) {
          if (sb == null) {
              sb = new StringBuilder();
          }
  
          if (CollectionUtils.isNotEmpty(objects)) {
              int i = 0;
  
              for (Object obj : objects) {
                  if (i > 0) {
                      sb.append(", ");
                  }
  
                  sb.append(obj);
                  i++;
              }
          }
  
          return sb;
      }
  
      public static StringBuilder dumpObjects(Map<?, ?> objects, StringBuilder sb) {
          if (sb == null) {
              sb = new StringBuilder();
          }
  
          if (MapUtils.isNotEmpty(objects)) {
              int i = 0;
  
              for (Map.Entry<?, ?> e : objects.entrySet()) {
                  if (i > 0) {
                      sb.append(", ");
                  }
  
                  sb.append(e.getKey()).append(":").append(e.getValue());
                  i++;
              }
          }
  
          return sb;
      }
  
      public static StringBuilder dumpDateField(String prefix, Date value, StringBuilder sb) {
          sb.append(prefix);
  
          if (value == null) {
              sb.append(value);
          } else {
              sb.append(AtlasBaseTypeDef.getDateFormatter().format(value));
          }
  
          return sb;
      }
  
      public String getTypeName() {
          return typeName;
      }
  
      public void setTypeName(String typeName) {
          this.typeName = typeName;
      }
  
      public Map<String, Object> getAttributes() {
          return attributes;
      }
  
      public void setAttributes(Map<String, Object> attributes) {
          this.attributes = attributes;
      }
  
      public boolean hasAttribute(String name) {
          Map<String, Object> a = this.attributes;
  
          return a != null && a.containsKey(name);
      }
  
      public Object getAttribute(String name) {
          Map<String, Object> a = this.attributes;
  
          return a != null ? a.get(name) : null;
      }
  
      public void setAttribute(String name, Object value) {
          Map<String, Object> a = this.attributes;
  
          if (a != null) {
              a.put(name, value);
          } else {
              a = new HashMap<>();
  
              a.put(name, value);
  
              this.attributes = a;
          }
      }
  
      public Object removeAttribute(String name) {
          Map<String, Object> a = this.attributes;
  
          return a != null ? a.remove(name) : null;
      }
  
      public StringBuilder toString(StringBuilder sb) {
          if (sb == null) {
              sb = new StringBuilder();
          }
  
          sb.append("AtlasStruct{");
          sb.append("typeName='").append(typeName).append('\'');
          sb.append(", attributes=[");
          dumpObjects(attributes, sb);
          sb.append("]");
          sb.append('}');
  
          return sb;
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(typeName, attributes);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          } else if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          AtlasStruct that = (AtlasStruct) o;
  
          return Objects.equals(typeName, that.typeName) &&
                  Objects.equals(attributes, that.attributes);
      }
  
      @Override
      public String toString() {
          return toString(new StringBuilder()).toString();
      }
  
      /**
       * REST serialization friendly list.
       */
      @JsonAutoDetect(getterVisibility = PUBLIC_ONLY, setterVisibility = PUBLIC_ONLY, fieldVisibility = NONE)
      @JsonInclude(JsonInclude.Include.NON_NULL)
      @JsonIgnoreProperties(ignoreUnknown = true)
      @XmlRootElement
      @XmlAccessorType(XmlAccessType.PROPERTY)
      @XmlSeeAlso(AtlasStruct.class)
      public static class AtlasStructs extends PList<AtlasStruct> {
          private static final long serialVersionUID = 1L;
  
          public AtlasStructs() {
              super();
          }
  
          public AtlasStructs(List<AtlasStruct> list) {
              super(list);
          }
  
          public AtlasStructs(List<AtlasStruct> list, long startIndex, int pageSize, long totalCount, SortType sortType, String sortBy) {
              super(list, startIndex, pageSize, totalCount, sortType, sortBy);
          }
      }
  }
  