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Create Jackson object mapper, readers and writers at class level #7251

Merged
merged 12 commits into from
Jan 25, 2023
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Expand Up @@ -3,6 +3,7 @@
package org.odpi.openmetadata.conformance.client;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.odpi.openmetadata.adapters.connectors.restclients.ffdc.exceptions.RESTConfigurationException;
import org.odpi.openmetadata.adapters.connectors.restclients.ffdc.exceptions.RESTServerException;
Expand All @@ -25,12 +26,14 @@
*/
public class OpenMetadataConformanceTestReport
{
private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper().enable(SerializationFeature.INDENT_OUTPUT);
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private static final ObjectWriter OBJECT_WRITER = OBJECT_MAPPER.writer();

private String serverName; /* Initialized in constructor */
private String serverURLRoot; /* Initialized in constructor */
private String testClientUserId; /* Initialized in constructor */
private RESTClient restClient; /* Initialized in constructor */

private final ObjectMapper objectMapper;
private RESTExceptionHandler exceptionHandler = new RESTExceptionHandler();

/**
Expand All @@ -49,7 +52,6 @@ private OpenMetadataConformanceTestReport(String serverName,
this.serverURLRoot = serverURLRoot;
this.testClientUserId = testClientUserId;

this.objectMapper = new ObjectMapper().enable(SerializationFeature.INDENT_OUTPUT);
this.restClient = new RESTClient(serverName, serverURLRoot);
}

Expand All @@ -72,7 +74,6 @@ private OpenMetadataConformanceTestReport(String serverName,
this.serverURLRoot = serverURLRoot;
this.testClientUserId = testClientUserId;

this.objectMapper = new ObjectMapper().enable(SerializationFeature.INDENT_OUTPUT);
this.restClient = new RESTClient(serverName, serverURLRoot, testClientUserId, testClientPassword);
}

Expand Down Expand Up @@ -290,7 +291,7 @@ private void writeJsonToFile(String path, Object value) throws IOException
{
String noSpaces = path.replaceAll("\\s+", "_");
File file = new File(noSpaces);
objectMapper.writeValue(file, value);
OBJECT_WRITER.writeValue(file, value);
}


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Expand Up @@ -2,21 +2,9 @@
/* Copyright Contributors to the ODPi Egeria project. */
package org.odpi.openmetadata.accessservices.analyticsmodeling.assets;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.TreeMap;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.apache.commons.collections4.CollectionUtils;
import org.odpi.openmetadata.accessservices.analyticsmodeling.contentmanager.OMEntityDao;
import org.odpi.openmetadata.accessservices.analyticsmodeling.converter.GlossaryTermConverter;
Expand All @@ -25,8 +13,20 @@
import org.odpi.openmetadata.accessservices.analyticsmodeling.metadata.Database;
import org.odpi.openmetadata.accessservices.analyticsmodeling.metadata.GlossaryTerm;
import org.odpi.openmetadata.accessservices.analyticsmodeling.metadata.Schema;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.*;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.*;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.ModuleTableFilter;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.ResponseContainerDatabase;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.ResponseContainerDatabaseSchema;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.ResponseContainerModule;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.ResponseContainerSchemaTables;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.BaseObjectType;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.Column;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.DataSource;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.ForeignColumn;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.ForeignKey;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.MetadataModule;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.PrimaryKey;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.Table;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.module.TableItem;
import org.odpi.openmetadata.accessservices.analyticsmodeling.model.response.Messages;
import org.odpi.openmetadata.accessservices.analyticsmodeling.utils.Constants;
import org.odpi.openmetadata.accessservices.analyticsmodeling.utils.ExecutionContext;
Expand All @@ -42,8 +42,20 @@
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.instances.InstanceProperties;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.instances.Relationship;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.TreeMap;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
* The class builds data content of the Analytics Modeling OMAS responses.<br>
Expand All @@ -64,6 +76,8 @@
*/
public class DatabaseContextHandler {

private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writer();

public static final String DATA_SOURCE_GUID = "dataSourceGUID";

private RelationalDataHandler<Database,
Expand Down Expand Up @@ -460,7 +474,7 @@ private String buildGlossaryTerm(GlossaryTerm term)
}

try {
return new ObjectMapper().writeValueAsString(json);
return OBJECT_WRITER.writeValueAsString(json);
} catch (JsonProcessingException e) {
// log warning in context
ctx.addMessage(AnalyticsModelingErrorCode.BUILD_GLOSSARY_TERM_EXCEPTION.getMessageDefinition(term.getName()),
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,8 @@

package org.odpi.openmetadata.accessservices.analyticsmodeling.synchronization.converters;

import java.io.IOException;
import java.util.List;
import java.util.Map;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.odpi.openmetadata.accessservices.analyticsmodeling.synchronization.model.AnalyticsAsset;
import org.odpi.openmetadata.accessservices.analyticsmodeling.synchronization.model.AssetReference;
import org.odpi.openmetadata.accessservices.analyticsmodeling.utils.Constants;
Expand All @@ -17,11 +15,14 @@
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.properties.typedefs.TypeDefCategory;
import org.odpi.openmetadata.repositoryservices.connectors.stores.metadatacollectionstore.repositoryconnector.OMRSRepositoryHelper;

import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.util.List;
import java.util.Map;

public class AssetConverter extends OpenMetadataAPIGenericConverter<AnalyticsAsset> {

private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();

public AssetConverter(OMRSRepositoryHelper repositoryHelper, String serviceName, String serverName) {
super(repositoryHelper, serviceName, serverName);
}
Expand Down Expand Up @@ -63,7 +64,7 @@ public AnalyticsAsset getNewBean(Class<AnalyticsAsset> beanClass,
String jsonReference = props.get(Constants.REFERENCE);
if (jsonReference != null && !jsonReference.isEmpty()) {
try {
bean.setReference(new ObjectMapper()
bean.setReference(OBJECT_MAPPER
.readValue(jsonReference.getBytes(), new TypeReference<List<AssetReference>>(){}));
} catch (IOException e) {
// log warning into execution context
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -3,17 +3,17 @@

package org.odpi.openmetadata.accessservices.analyticsmodeling.utils;

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

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.odpi.openmetadata.accessservices.analyticsmodeling.synchronization.model.AnalyticsAsset;
import org.odpi.openmetadata.accessservices.analyticsmodeling.synchronization.model.AssetReference;
import org.odpi.openmetadata.accessservices.analyticsmodeling.synchronization.model.MetadataContainer;
import org.odpi.openmetadata.accessservices.analyticsmodeling.synchronization.model.MetadataItem;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

/**
* Class provides useful operations with bean class
Expand All @@ -22,6 +22,11 @@
*/
public class AnalyticsAssetUtils {

private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writer();

private AnalyticsAssetUtils() {
}

/**
* Add container to the asset.
* @param asset to add new container to.
Expand Down Expand Up @@ -129,7 +134,7 @@ public static Map<String, String> buildAdditionalProperties(AnalyticsAsset asset

if (asset.getReference() != null ) {
try {
String references = new ObjectMapper().writeValueAsString(asset.getReference());
String references = OBJECT_WRITER.writeValueAsString(asset.getReference());
additionalProperties.put(Constants.REFERENCE, references);
} catch (JsonProcessingException e) {
// log to execution context
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.odpi.openmetadata.repositoryservices.connectors.openmetadatatopic.OpenMetadataTopicConnector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
Expand All @@ -15,7 +16,8 @@
*/
public class AssetCatalogSearchPublisher {

private static final Logger log = LoggerFactory.getLogger(AssetCatalogSearchPublisher.class);
private static final Logger LOG = LoggerFactory.getLogger(AssetCatalogSearchPublisher.class);
private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writer();

private final OpenMetadataTopicConnector topicConnector;

Expand All @@ -35,21 +37,20 @@ public void publishEvent(Serializable event)
{
if (topicConnector != null)
{
ObjectMapper objectMapper = new ObjectMapper();
topicConnector.sendEvent(objectMapper.writeValueAsString(event));
topicConnector.sendEvent(OBJECT_WRITER.writeValueAsString(event));
}
else
{
log.error("Cannot publish event: topic connector is null!");
LOG.error("Cannot publish event: topic connector is null!");
}
}
catch (JsonProcessingException e)
{
log.error("Unable to create json for publishing: " + event.toString(), e);
LOG.error("Unable to create json for publishing: " + event.toString(), e);
}
catch (Exception e)
{
log.error("Unable to publish new asset event", e);
LOG.error("Unable to publish new asset event", e);
}
}
}
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
package org.odpi.openmetadata.accessservices.assetconsumer.connectors.outtopic;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.odpi.openmetadata.accessservices.assetconsumer.events.AssetConsumerOutTopicEvent;
import org.odpi.openmetadata.accessservices.assetconsumer.ffdc.AssetConsumerAuditCode;
import org.odpi.openmetadata.accessservices.assetconsumer.ffdc.AssetConsumerErrorCode;
Expand All @@ -18,6 +19,9 @@
*/
public class AssetConsumerOutTopicServerConnector extends OpenMetadataTopicSenderConnectorBase
{

private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writer();

/**
* Send the request to the embedded event bus connector(s).
*
Expand All @@ -28,11 +32,10 @@ public class AssetConsumerOutTopicServerConnector extends OpenMetadataTopicSende
public void sendEvent(AssetConsumerOutTopicEvent event) throws InvalidParameterException, ConnectorCheckedException
{
final String methodName = "sendEvent";
ObjectMapper objectMapper = new ObjectMapper();

try
{
String eventString = objectMapper.writeValueAsString(event);
String eventString = OBJECT_WRITER.writeValueAsString(event);
super.sendEvent(eventString);

if (super.auditLog != null)
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import org.apache.commons.collections4.CollectionUtils;
Expand Down Expand Up @@ -54,6 +55,7 @@
public class AssetLineagePublisher {

private static final Logger log = LoggerFactory.getLogger(AssetLineagePublisher.class);
private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writer();
private static final AssetLineageInstanceHandler instanceHandler = new AssetLineageInstanceHandler();
private final OpenMetadataTopicConnector outTopicConnector;
private final String serverUserName;
Expand Down Expand Up @@ -314,8 +316,7 @@ public void publishEvent(AssetLineageEventHeader event) throws JsonProcessingExc
if (outTopicConnector == null)
return;

ObjectMapper objectMapper = new ObjectMapper();
outTopicConnector.sendEvent(objectMapper.writeValueAsString(event));
outTopicConnector.sendEvent(OBJECT_WRITER.writeValueAsString(event));

}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
package org.odpi.openmetadata.accessservices.assetmanager.connectors.outtopic;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.odpi.openmetadata.accessservices.assetmanager.ffdc.AssetManagerAuditCode;
import org.odpi.openmetadata.accessservices.assetmanager.events.AssetManagerOutTopicEvent;
import org.odpi.openmetadata.accessservices.assetmanager.ffdc.AssetManagerErrorCode;
Expand All @@ -18,6 +19,9 @@
*/
public class AssetManagerOutTopicServerConnector extends OpenMetadataTopicSenderConnectorBase
{

private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writer();

/**
* Send the request to the embedded event bus connector(s).
*
Expand All @@ -28,11 +32,10 @@ public class AssetManagerOutTopicServerConnector extends OpenMetadataTopicSender
public void sendEvent(AssetManagerOutTopicEvent event) throws InvalidParameterException, ConnectorCheckedException
{
final String methodName = "sendEvent";
ObjectMapper objectMapper = new ObjectMapper();

try
{
String eventString = objectMapper.writeValueAsString(event);
String eventString = OBJECT_WRITER.writeValueAsString(event);
super.sendEvent(eventString);

if (super.auditLog != null)
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
package org.odpi.openmetadata.accessservices.assetowner.connectors.outtopic;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.odpi.openmetadata.accessservices.assetowner.events.AssetOwnerOutTopicEvent;
import org.odpi.openmetadata.accessservices.assetowner.ffdc.AssetOwnerAuditCode;
import org.odpi.openmetadata.accessservices.assetowner.ffdc.AssetOwnerErrorCode;
Expand All @@ -18,6 +19,9 @@
*/
public class AssetOwnerOutTopicServerConnector extends OpenMetadataTopicSenderConnectorBase
{

private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writer();

/**
* Send the request to the embedded event bus connector(s).
*
Expand All @@ -28,11 +32,10 @@ public class AssetOwnerOutTopicServerConnector extends OpenMetadataTopicSenderCo
public void sendEvent(AssetOwnerOutTopicEvent event) throws InvalidParameterException, ConnectorCheckedException
{
final String methodName = "sendEvent";
ObjectMapper objectMapper = new ObjectMapper();

try
{
String eventString = objectMapper.writeValueAsString(event);
String eventString = OBJECT_WRITER.writeValueAsString(event);
super.sendEvent(eventString);

if (super.auditLog != null)
Expand Down
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