org.apache.atlas.model.typedef.AtlasRelationshipDef.getEndDef1 java code examples

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}

@Override
public boolean equals(Object o) {
  if (this == o)
    return true;
  if (o == null || getClass() != o.getClass())
    return false;
  //AttributeDefs are checked in the super
  if (!super.equals(o))
    return false;
  AtlasRelationshipDef that = (AtlasRelationshipDef) o;
  if (!Objects.equals(relationshipCategory, that.getRelationshipCategory()))
    return false;
  if (!Objects.equals(propagateTags, that.getPropagateTags()))
    return false;
  if (!Objects.equals(endDef1, that.getEndDef1()))
    return false;
  return (Objects.equals(endDef2, that.getEndDef2()));
}

@Override
public boolean equals(Object o) {
  if (this == o)
    return true;
  if (o == null || getClass() != o.getClass())
    return false;
  //AttributeDefs are checked in the super
  if (!super.equals(o))
    return false;
  AtlasRelationshipDef that = (AtlasRelationshipDef) o;
  if (!Objects.equals(relationshipCategory, that.getRelationshipCategory()))
    return false;
  if (!Objects.equals(propagateTags, that.getPropagateTags()))
    return false;
  if (!Objects.equals(endDef1, that.getEndDef1()))
    return false;
  return (Objects.equals(endDef2, that.getEndDef2()));
}

public AtlasRelationshipType(AtlasRelationshipDef relationshipDef) {
  super(relationshipDef);
  AtlasRelationshipEndDef end1Def = relationshipDef != null ? relationshipDef.getEndDef1() : null;
  AtlasRelationshipEndDef end2Def = relationshipDef != null ? relationshipDef.getEndDef2() : null;
  this.relationshipDef       = relationshipDef;
  this.hasLegacyAttributeEnd = (end1Def != null && end1Def.getIsLegacyAttribute()) || (end2Def != null && end2Def.getIsLegacyAttribute());
}

public AtlasRelationshipDef(AtlasRelationshipDef other) throws AtlasBaseException {
  super(other);
  if (other != null) {
    setRelationshipCategory(other.getRelationshipCategory());
    setPropagateTags(other.getPropagateTags());
    setEndDef1(other.getEndDef1());
    setEndDef2(other.getEndDef2());
  }
}
@Override

public AtlasRelationshipDef(AtlasRelationshipDef other) throws AtlasBaseException {
  super(other);
  if (other != null) {
    setRelationshipCategory(other.getRelationshipCategory());
    setPropagateTags(other.getPropagateTags());
    setEndDef1(other.getEndDef1());
    setEndDef2(other.getEndDef2());
  }
}
@Override

public static Map<String, TypeInfo> get(AtlasTypeRegistry typeRegistry) {
  Map<String, TypeInfo> ret = new HashMap<>();
  for (AtlasRelationshipType relType : typeRegistry.getAllRelationshipTypes()) {
    AtlasRelationshipDef relDef      = relType.getRelationshipDef();
    String               relTypeName = relType.getTypeName();
    add(ret, getKey(relDef.getEndDef1()), relTypeName, relDef.getPropagateTags());
    add(ret, getKey(relDef.getEndDef2()), relTypeName, getEnd2PropagateTag(relDef.getPropagateTags()));
  }
  return ret;
}

private String getRelationshipEdgeLabel(String typeName, String relationshipTypeName) {
  AtlasRelationshipType relationshipType = typeRegistry.getRelationshipTypeByName(relationshipTypeName);
  AtlasRelationshipDef  relationshipDef  = relationshipType.getRelationshipDef();
  AtlasEntityType       end1Type         = relationshipType.getEnd1Type();
  AtlasEntityType       end2Type         = relationshipType.getEnd2Type();
  Set<String>           vertexTypes      = getTypeAndAllSuperTypes(typeName);
  AtlasAttribute        attribute        = null;
  if (vertexTypes.contains(end1Type.getTypeName())) {
    String attributeName = relationshipDef.getEndDef1().getName();
    attribute = (attributeName != null) ? end1Type.getAttribute(attributeName) : null;
  } else if (vertexTypes.contains(end2Type.getTypeName())) {
    String attributeName = relationshipDef.getEndDef2().getName();
    attribute = (attributeName != null) ? end2Type.getAttribute(attributeName) : null;
  }
  return (attribute != null) ? attribute.getRelationshipEdgeLabel() : null;
}

  private String getRelationshipEdgeLabel(String typeName, String relationshipTypeName) {
    AtlasRelationshipType relationshipType = typeRegistry.getRelationshipTypeByName(relationshipTypeName);
    AtlasRelationshipDef  relationshipDef  = relationshipType.getRelationshipDef();
    AtlasEntityType       end1Type         = relationshipType.getEnd1Type();
    AtlasEntityType       end2Type         = relationshipType.getEnd2Type();
    Set<String>           vertexTypes      = getTypeAndAllSuperTypes(typeName);
    AtlasAttribute        attribute        = null;

    if (vertexTypes.contains(end1Type.getTypeName())) {
      String attributeName = relationshipDef.getEndDef1().getName();

      attribute = (attributeName != null) ? end1Type.getAttribute(attributeName) : null;
    } else if (vertexTypes.contains(end2Type.getTypeName())) {
      String attributeName = relationshipDef.getEndDef2().getName();

      attribute = (attributeName != null) ? end2Type.getAttribute(attributeName) : null;
    }

    return (attribute != null) ? attribute.getRelationshipEdgeLabel() : null;
  }
}

@Override
public void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
  super.resolveReferences(typeRegistry);
  if (relationshipDef == null) {
    throw new AtlasBaseException(AtlasErrorCode.INVALID_VALUE, "relationshipDef is null");
  }
  String end1TypeName = relationshipDef.getEndDef1() != null ? relationshipDef.getEndDef1().getType() : null;
  String end2TypeName = relationshipDef.getEndDef2() != null ? relationshipDef.getEndDef2().getType() : null;
  AtlasType type1 = typeRegistry.getType(end1TypeName);
  AtlasType type2 = typeRegistry.getType(end2TypeName);
  if (type1 instanceof AtlasEntityType) {
    end1Type = (AtlasEntityType) type1;
  } else {
    throw new AtlasBaseException(AtlasErrorCode.RELATIONSHIPDEF_INVALID_END_TYPE, getTypeName(), end1TypeName);
  }
  if (type2 instanceof AtlasEntityType) {
    end2Type = (AtlasEntityType) type2;
  } else {
    throw new AtlasBaseException(AtlasErrorCode.RELATIONSHIPDEF_INVALID_END_TYPE, getTypeName(), end2TypeName);
  }
  validateAtlasRelationshipDef(this.relationshipDef);
}

@Override
void resolveReferences(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
  super.resolveReferences(typeRegistry);
  if (relationshipDef == null) {
    throw new AtlasBaseException(AtlasErrorCode.INVALID_VALUE, "relationshipDef is null");
  }
  String end1TypeName = relationshipDef.getEndDef1() != null ? relationshipDef.getEndDef1().getType() : null;
  String end2TypeName = relationshipDef.getEndDef2() != null ? relationshipDef.getEndDef2().getType() : null;
  AtlasType type1 = typeRegistry.getType(end1TypeName);
  AtlasType type2 = typeRegistry.getType(end2TypeName);
  if (type1 instanceof AtlasEntityType) {
    end1Type = (AtlasEntityType) type1;
  } else {
    throw new AtlasBaseException(AtlasErrorCode.RELATIONSHIPDEF_INVALID_END_TYPE, getTypeName(), end1TypeName);
  }
  if (type2 instanceof AtlasEntityType) {
    end2Type = (AtlasEntityType) type2;
  } else {
    throw new AtlasBaseException(AtlasErrorCode.RELATIONSHIPDEF_INVALID_END_TYPE, getTypeName(), end2TypeName);
  }
  validateAtlasRelationshipDef(relationshipDef);
}

private PropagateTags getRelationshipTagPropagation(AtlasVertex fromVertex, AtlasVertex toVertex, AtlasRelationship relationship) {
  AtlasRelationshipType   relationshipType = typeRegistry.getRelationshipTypeByName(relationship.getTypeName());
  AtlasRelationshipEndDef endDef1          = relationshipType.getRelationshipDef().getEndDef1();
  AtlasRelationshipEndDef endDef2          = relationshipType.getRelationshipDef().getEndDef2();
  Set<String>             fromVertexTypes  = getTypeAndAllSuperTypes(getTypeName(fromVertex));
  Set<String>             toVertexTypes    = getTypeAndAllSuperTypes(getTypeName(toVertex));
  PropagateTags           ret              = relationshipType.getRelationshipDef().getPropagateTags();
  // relationshipDef is defined as end1 (hive_db) and end2 (hive_table) and tagPropagation = ONE_TO_TWO
  // relationship edge exists from [hive_table --> hive_db]
  // swap the tagPropagation property for such cases.
  if (fromVertexTypes.contains(endDef2.getType()) && toVertexTypes.contains(endDef1.getType())) {
    if (ret == ONE_TO_TWO) {
      ret = TWO_TO_ONE;
    } else if (ret == TWO_TO_ONE) {
      ret = ONE_TO_TWO;
    }
  }
  return ret;
}

private PropagateTags getRelationshipTagPropagation(AtlasVertex fromVertex, AtlasVertex toVertex, AtlasRelationship relationship) {
  AtlasRelationshipType   relationshipType = typeRegistry.getRelationshipTypeByName(relationship.getTypeName());
  AtlasRelationshipEndDef endDef1          = relationshipType.getRelationshipDef().getEndDef1();
  AtlasRelationshipEndDef endDef2          = relationshipType.getRelationshipDef().getEndDef2();
  Set<String>             fromVertexTypes  = getTypeAndAllSuperTypes(getTypeName(fromVertex));
  Set<String>             toVertexTypes    = getTypeAndAllSuperTypes(getTypeName(toVertex));
  PropagateTags           ret              = relationshipType.getRelationshipDef().getPropagateTags();
  // relationshipDef is defined as end1 (hive_db) and end2 (hive_table) and tagPropagation = ONE_TO_TWO
  // relationship edge exists from [hive_table --> hive_db]
  // swap the tagPropagation property for such cases.
  if (fromVertexTypes.contains(endDef2.getType()) && toVertexTypes.contains(endDef1.getType())) {
    if (ret == ONE_TO_TWO) {
      ret = TWO_TO_ONE;
    } else if (ret == TWO_TO_ONE) {
      ret = ONE_TO_TWO;
    }
  }
  return ret;
}

  private int getLegacyAttributeCount() {
    int count = 0;
    for (AtlasRelationshipType rt : typeRegistry.getAllRelationshipTypes()) {
      AtlasRelationshipDef rd = rt.getRelationshipDef();
      if(rd.getEndDef1().getIsLegacyAttribute()) {
        count++;
      }

      if(rd.getEndDef2().getIsLegacyAttribute()) {
        count++;
      }
    }

    return count;
  }
}

  private int getLegacyAttributeCount() {
    int count = 0;
    for (AtlasRelationshipType rt : typeRegistry.getAllRelationshipTypes()) {
      AtlasRelationshipDef rd = rt.getRelationshipDef();
      if(rd.getEndDef1().getIsLegacyAttribute()) {
        count++;
      }

      if(rd.getEndDef2().getIsLegacyAttribute()) {
        count++;
      }
    }

    return count;
  }
}

private void addRelationshipEdgeDirection() {
  AtlasRelationshipEndDef endDef1 = relationshipDef.getEndDef1();
  AtlasRelationshipEndDef endDef2 = relationshipDef.getEndDef2();
  if (StringUtils.equals(endDef1.getType(), endDef2.getType()) &&
      StringUtils.equals(endDef1.getName(), endDef2.getName())) {
    AtlasAttribute endAttribute = end1Type.getRelationshipAttribute(endDef1.getName());
    endAttribute.setRelationshipEdgeDirection(BOTH);
  } else {
    AtlasAttribute end1Attribute = end1Type.getRelationshipAttribute(endDef1.getName());
    AtlasAttribute end2Attribute = end2Type.getRelationshipAttribute(endDef2.getName());
    //default relationship edge direction is end1 (out) -> end2 (in)
    AtlasRelationshipEdgeDirection end1Direction = OUT;
    AtlasRelationshipEdgeDirection end2Direction = IN;
    if (endDef1.getIsLegacyAttribute() && endDef2.getIsLegacyAttribute()) {
      end2Direction = OUT;
    } else if (!endDef1.getIsLegacyAttribute() && endDef2.getIsLegacyAttribute()) {
      end1Direction = IN;
      end2Direction = OUT;
    }
    end1Attribute.setRelationshipEdgeDirection(end1Direction);
    end2Attribute.setRelationshipEdgeDirection(end2Direction);
  }
}

private void addRelationshipEdgeDirection() {
  AtlasRelationshipEndDef endDef1       = relationshipDef.getEndDef1();
  AtlasRelationshipEndDef endDef2       = relationshipDef.getEndDef2();
  AtlasAttribute          end1Attribute = end1Type.getRelationshipAttribute(endDef1.getName());
  AtlasAttribute          end2Attribute = end2Type.getRelationshipAttribute(endDef2.getName());
  //default relationship edge direction is end1 (out) -> end2 (in)
  AtlasRelationshipEdgeDirection end1Direction = OUT;
  AtlasRelationshipEdgeDirection end2Direction = IN;
  if (endDef1.getIsLegacyAttribute() && endDef2.getIsLegacyAttribute()) {
    end2Direction = OUT;
  } else if (!endDef1.getIsLegacyAttribute() && endDef2.getIsLegacyAttribute()) {
    end1Direction = IN;
    end2Direction = OUT;
  }
  end1Attribute.setRelationshipEdgeDirection(end1Direction);
  end2Attribute.setRelationshipEdgeDirection(end2Direction);
}

public static void setVertexPropertiesFromRelationshipDef(AtlasRelationshipDef relationshipDef, AtlasVertex vertex) {
  vertex.setProperty(Constants.RELATIONSHIPTYPE_END1_KEY, AtlasType.toJson(relationshipDef.getEndDef1()));
  vertex.setProperty(Constants.RELATIONSHIPTYPE_END2_KEY, AtlasType.toJson(relationshipDef.getEndDef2()));
  // default the relationship category to association if it has not been specified.
  String relationshipCategory = RelationshipCategory.ASSOCIATION.name();
  if (relationshipDef.getRelationshipCategory()!=null) {
    relationshipCategory =relationshipDef.getRelationshipCategory().name();
  }
  // Update RelationshipCategory
  vertex.setProperty(Constants.RELATIONSHIPTYPE_CATEGORY_KEY, relationshipCategory);
  if (relationshipDef.getPropagateTags() == null) {
    vertex.setProperty(Constants.RELATIONSHIPTYPE_TAG_PROPAGATION_KEY, AtlasRelationshipDef.PropagateTags.NONE.name());
  } else {
    vertex.setProperty(Constants.RELATIONSHIPTYPE_TAG_PROPAGATION_KEY, relationshipDef.getPropagateTags().name());
  }
}

public static void setVertexPropertiesFromRelationshipDef(AtlasRelationshipDef relationshipDef, AtlasVertex vertex) {
  vertex.setProperty(Constants.RELATIONSHIPTYPE_END1_KEY, AtlasType.toJson(relationshipDef.getEndDef1()));
  vertex.setProperty(Constants.RELATIONSHIPTYPE_END2_KEY, AtlasType.toJson(relationshipDef.getEndDef2()));
  // default the relationship category to association if it has not been specified.
  String relationshipCategory = RelationshipCategory.ASSOCIATION.name();
  if (relationshipDef.getRelationshipCategory()!=null) {
    relationshipCategory =relationshipDef.getRelationshipCategory().name();
  }
  // Update RelationshipCategory
  vertex.setProperty(Constants.RELATIONSHIPTYPE_CATEGORY_KEY, relationshipCategory);
  if (relationshipDef.getPropagateTags() == null) {
    vertex.setProperty(Constants.RELATIONSHIPTYPE_TAG_PROPAGATION_KEY, AtlasRelationshipDef.PropagateTags.NONE.name());
  } else {
    vertex.setProperty(Constants.RELATIONSHIPTYPE_TAG_PROPAGATION_KEY, relationshipDef.getPropagateTags().name());
  }
}

@Override
void resolveReferencesPhase2(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
  super.resolveReferencesPhase2(typeRegistry);
  AtlasRelationshipEndDef endDef1           = relationshipDef.getEndDef1();
  AtlasRelationshipEndDef endDef2           = relationshipDef.getEndDef2();
  String                  relationshipLabel = null;
  // if legacyLabel is not specified at both ends, use relationshipDef name as relationship label.
  // if legacyLabel is specified in any one end, use it as the relationship label for both ends (legacy case).
  // if legacyLabel is specified at both ends use the respective end's legacyLabel as relationship label (legacy case).
  if (!endDef1.getIsLegacyAttribute() && !endDef2.getIsLegacyAttribute()) {
    relationshipLabel = relationshipDef.getRelationshipLabel();
  } else if (endDef1.getIsLegacyAttribute() && !endDef2.getIsLegacyAttribute()) {
    relationshipLabel = getLegacyEdgeLabel(end1Type, endDef1.getName());
  } else if (!endDef1.getIsLegacyAttribute() && endDef2.getIsLegacyAttribute()) {
    relationshipLabel = getLegacyEdgeLabel(end2Type, endDef2.getName());
  }
  addRelationshipAttributeToEndType(endDef1, end1Type, end2Type.getTypeName(), typeRegistry, relationshipLabel);
  addRelationshipAttributeToEndType(endDef2, end2Type, end1Type.getTypeName(), typeRegistry, relationshipLabel);
  // add relationship edge direction information
  addRelationshipEdgeDirection();
}

@Override
public void resolveReferencesPhase2(AtlasTypeRegistry typeRegistry) throws AtlasBaseException {
  super.resolveReferencesPhase2(typeRegistry);
  AtlasRelationshipEndDef endDef1           = relationshipDef.getEndDef1();
  AtlasRelationshipEndDef endDef2           = relationshipDef.getEndDef2();
  String                  relationshipLabel = null;
  // if legacyLabel is not specified at both ends, use relationshipDef name as relationship label.
  // if legacyLabel is specified in any one end, use it as the relationship label for both ends (legacy case).
  // if legacyLabel is specified at both ends use the respective end's legacyLabel as relationship label (legacy case).
  if (!endDef1.getIsLegacyAttribute() && !endDef2.getIsLegacyAttribute()) {
    relationshipLabel = relationshipDef.getRelationshipLabel();
  } else if (endDef1.getIsLegacyAttribute() && !endDef2.getIsLegacyAttribute()) {
    relationshipLabel = getLegacyEdgeLabel(end1Type, endDef1.getName());
  } else if (!endDef1.getIsLegacyAttribute() && endDef2.getIsLegacyAttribute()) {
    relationshipLabel = getLegacyEdgeLabel(end2Type, endDef2.getName());
  }
  addRelationshipAttributeToEndType(endDef1, end1Type, end2Type.getTypeName(), typeRegistry, relationshipLabel);
  addRelationshipAttributeToEndType(endDef2, end2Type, end1Type.getTypeName(), typeRegistry, relationshipLabel);
  // add relationship edge direction information
  addRelationshipEdgeDirection();
}

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How to use getEndDef1methodin org.apache.atlas.model.typedef.AtlasRelationshipDef

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How to use
getEndDef1
method
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org.apache.atlas.model.typedef.AtlasRelationshipDef