Thursday 6 October 2022

Atlas Client: Partial or patch update of glossary by id

AtlasClientV2#partialUpdateGlossaryByGuid method is used to update the glossary partially.

 

Signature

public AtlasGlossary partialUpdateGlossaryByGuid(String glossaryGuid, Map<String, String> attributes) throws AtlasServiceException

 

Example

Map<String, String> attributes = new HashMap<>();
attributes.put("name", atlasGlossary.getName() + "_updated");

atlasGlossary = atlasClient.partialUpdateGlossaryByGuid(glossaryId, attributes);

 Before updating.

 


Find the below working application.

 

atlas-application.properties

atlas.client.readTimeoutMSecs=30000
atlas.client.connectTimeoutMSecs=30000

JsonUtil.java

package com.sample.app.util;

import java.io.IOException;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;

public class JsonUtil {
	public static String marshal(Object obj) throws JsonProcessingException {
		ObjectMapper mapper = new ObjectMapper();
		return mapper.writeValueAsString(obj);
	}

	public static <T> T unmarshal(Class<T> clazz, String json)
			throws JsonParseException, JsonMappingException, IOException {
		ObjectMapper mapper = new ObjectMapper();
		return (T) mapper.readValue(json, clazz);
	}

	public static String prettyPrintJson(Object obj) throws JsonProcessingException {
		ObjectMapper mapper = new ObjectMapper();
		mapper.enable(SerializationFeature.INDENT_OUTPUT);
		return mapper.writeValueAsString(obj);
	}
}

GlossaryPatchUpdateById.java

package com.sample.app.glossary;

import java.util.HashMap;
import java.util.Map;

import org.apache.atlas.AtlasClientV2;
import org.apache.atlas.AtlasServiceException;
import org.apache.atlas.model.glossary.AtlasGlossary;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.sample.app.util.JsonUtil;

public class GlossaryPatchUpdateById {

	public static void main(String[] args) throws AtlasServiceException, JsonProcessingException {
		AtlasClientV2 atlasClient = new AtlasClientV2(new String[] { "http://localhost:21000" },
				new String[] { "admin", "admin" });

		String glossaryId = "844a3e1a-110c-4bef-91bf-622dc1eab3e7";
		AtlasGlossary atlasGlossary = atlasClient.getGlossaryByGuid(glossaryId);
		System.out.println("persisted glossary : " + JsonUtil.prettyPrintJson(atlasGlossary));

		if (atlasGlossary == null) {
			System.out.println("Glossary not exists");
			System.exit(0);
		}

		Map<String, String> attributes = new HashMap<>();
		attributes.put("name", atlasGlossary.getName() + "_updated");

		atlasGlossary = atlasClient.partialUpdateGlossaryByGuid(glossaryId, attributes);

		System.out.println("Updated glossary : \n" + JsonUtil.prettyPrintJson(atlasGlossary));

	}

}

Output

persisted glossary : {
  "guid" : "844a3e1a-110c-4bef-91bf-622dc1eab3e7",
  "qualifiedName" : "myGlosary3",
  "name" : "myGlosary3",
  "shortDescription" : "myGlosary3...",
  "longDescription" : "myGlosary3...............",
  "terms" : [ {
    "termGuid" : "eb6afad3-2c82-4b16-8708-fc0694dbeb80",
    "relationGuid" : "80731d37-b42e-4e21-8d0e-ff9d20dc57e6",
    "displayText" : "term3"
  }, {
    "termGuid" : "b480660d-d038-41bd-b2c1-076adedd2421",
    "relationGuid" : "10fc95da-1638-4c84-b8e3-41b79034ab58",
    "displayText" : "term4"
  }, {
    "termGuid" : "8ba708a2-3e28-40a0-b0ee-3a642e2f5c5a",
    "relationGuid" : "cc153d34-6851-499d-988c-682eb0dd122d",
    "displayText" : "term5"
  }, {
    "termGuid" : "cd2dbbc5-0440-477e-a6e6-175eb13e3d46",
    "relationGuid" : "607768b1-d47a-4659-aa63-9acc8d175c80",
    "displayText" : "term1"
  }, {
    "termGuid" : "8d0451be-bfe9-497c-aae9-f1892b156c94",
    "relationGuid" : "8fe3ae77-0a42-42a5-8230-5a1c954b819b",
    "displayText" : "term2"
  } ],
  "categories" : [ {
    "categoryGuid" : "82d54387-9919-414d-9a1f-34bfeadc6ffa",
    "relationGuid" : "51f1d6c5-e164-4338-8e41-10c9aa97c4a0",
    "displayText" : "category2"
  }, {
    "categoryGuid" : "80e199fb-f924-4470-adc1-8227b5650f6c",
    "relationGuid" : "c9e00acf-17ce-4e06-b570-3c47a05dedb3",
    "displayText" : "category1"
  } ]
}
Updated glossary : 
{
  "guid" : "844a3e1a-110c-4bef-91bf-622dc1eab3e7",
  "qualifiedName" : "myGlosary3",
  "name" : "myGlosary3_updated",
  "shortDescription" : "myGlosary3...",
  "longDescription" : "myGlosary3...............",
  "terms" : [ {
    "termGuid" : "eb6afad3-2c82-4b16-8708-fc0694dbeb80",
    "relationGuid" : "80731d37-b42e-4e21-8d0e-ff9d20dc57e6",
    "displayText" : "term3"
  }, {
    "termGuid" : "b480660d-d038-41bd-b2c1-076adedd2421",
    "relationGuid" : "10fc95da-1638-4c84-b8e3-41b79034ab58",
    "displayText" : "term4"
  }, {
    "termGuid" : "8ba708a2-3e28-40a0-b0ee-3a642e2f5c5a",
    "relationGuid" : "cc153d34-6851-499d-988c-682eb0dd122d",
    "displayText" : "term5"
  }, {
    "termGuid" : "cd2dbbc5-0440-477e-a6e6-175eb13e3d46",
    "relationGuid" : "607768b1-d47a-4659-aa63-9acc8d175c80",
    "displayText" : "term1"
  }, {
    "termGuid" : "8d0451be-bfe9-497c-aae9-f1892b156c94",
    "relationGuid" : "8fe3ae77-0a42-42a5-8230-5a1c954b819b",
    "displayText" : "term2"
  } ],
  "categories" : [ {
    "categoryGuid" : "82d54387-9919-414d-9a1f-34bfeadc6ffa",
    "relationGuid" : "51f1d6c5-e164-4338-8e41-10c9aa97c4a0",
    "displayText" : "category2"
  }, {
    "categoryGuid" : "80e199fb-f924-4470-adc1-8227b5650f6c",
    "relationGuid" : "c9e00acf-17ce-4e06-b570-3c47a05dedb3",
    "displayText" : "category1"
  } ]
}


  

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