MaDgIK
/
uoa-repository-manager-service
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Refactor the "Statistics" code: 

- Merge the Aggregators' code inside "StatsServiceImpl.java".
 - Remove the Hystrix related code, since it wasn't really used.
- Add exceptions-handling and error-checking.
This commit is contained in:
Lampros Smyrnaios 2022-11-30 13:03:17 +02:00
parent 01ba340f47
commit 36b17e4ef1
11 changed files with 297 additions and 458 deletions
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23
pom.xml
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@ -60,19 +60,13 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-hystrix -->
<!--
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
<version>2.2.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
<version>3.0.1</version>
</dependency>
-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
<version>3.0.1</version>
</dependency>
-->
<!--
<dependency>
<groupId>javax.el</groupId>
@ -323,11 +317,6 @@
<artifactId>cors-filter</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>com.netflix.hystrix</groupId>
<artifactId>hystrix-core</artifactId>
<version>1.5.18</version>
</dependency>
<!--
<dependency>
<groupId>com.netflix.rxjava</groupId>

312
src/main/java/eu/dnetlib/repo/manager/service/StatsServiceImpl.java
View File

@ -1,17 +1,26 @@
package eu.dnetlib.repo.manager.service;
import eu.dnetlib.repo.manager.service.customHystrixCommands.*;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
@Service("statsService")
public class StatsServiceImpl implements StatsService {
private static final Logger LOGGER = Logger.getLogger(StatsServiceImpl.class);
@Autowired
RestTemplate restTemplate;
@ -24,27 +33,288 @@ public class StatsServiceImpl implements StatsService {
@Override
public Map getStatistics() {
UsageStatsTotalHystrixCommand usageStatsTotalHystrixCommand = new UsageStatsTotalHystrixCommand(usagestatsEvents,restTemplate);
DataRepositoriesHystrixCommand dataRepositoriesHystrixCommand = new DataRepositoriesHystrixCommand(baseAddress,restTemplate);
AggregatorsHystrixCommand aggregatorsHystrixCommand = new AggregatorsHystrixCommand(baseAddress,restTemplate);
LiteratureHystrixCommand literatureHystrixCommand = new LiteratureHystrixCommand(baseAddress,restTemplate);
JournalHystrixCommand journalHystrixCommand = new JournalHystrixCommand(baseAddress,restTemplate);
PublicationHystrixCommand publicationHystrixCommand = new PublicationHystrixCommand(baseAddress,restTemplate);
DatasetsHystrixCommand datasetsHystrixCommand = new DatasetsHystrixCommand(baseAddress,restTemplate);
SoftwareHystrixCommand softwareHystrixCommand = new SoftwareHystrixCommand(baseAddress,restTemplate);
LastYearUsageStatsHystrixCommand lastYearUsageStatsHystrixCommand = new LastYearUsageStatsHystrixCommand(usagestatsBaseAddress,restTemplate);
Map<String,Object> stats = new HashMap<>();
stats.put("aggregators",aggregatorsHystrixCommand.execute());
stats.put("dataRepositories",dataRepositoriesHystrixCommand.execute());
stats.put("literature",literatureHystrixCommand.execute());
stats.put("journal",journalHystrixCommand.execute());
stats.put("publications",publicationHystrixCommand.execute());
stats.put("datasets",datasetsHystrixCommand.execute());
stats.put("software",softwareHystrixCommand.execute());
stats.put("lastYearUsagestats", lastYearUsageStatsHystrixCommand.execute());
stats.put("usagestats",usageStatsTotalHystrixCommand.execute());
stats.put("aggregators", this.getAggregatorsStats());
stats.put("dataRepositories", this.getDataRepositoriesMetadata());
stats.put("literature", this.getLiteratureStats());
stats.put("journal", this.getJournalsStats());
stats.put("publications", this.getPublicationStats());
stats.put("datasets", this.getDatasetsStats());
stats.put("software", this.getSoftwareStats());
stats.put("lastYearUsagestats", this.getLastYearUsageStats());
stats.put("usagestats", this.getUsageStatsTotal());
return stats;
}
private String getAggregatorsStats()
{
String url = baseAddress + "/resources" +
"?query= " +
" oaftype exact datasource and " +
" ( datasourcetypename exact Institutional Repository Aggregator " +
" or datasourcetypename exact Publication Repository Aggregator )";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
return String.valueOf(metadata.get("total"));
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private String getDataRepositoriesMetadata()
{
String url = baseAddress + "/resources" +
"?query= " +
" oaftype exact datasource and " +
" datasourcetypename exact Data Repository ";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page",0)
.queryParam("size",0)
.queryParam("format","json")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
if ( metadata == null ) {
LOGGER.error("The metadata was null!");
return null;
}
return String.valueOf(metadata.get("total"));
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private String getLiteratureStats()
{
String url = baseAddress + "/resources" +
"?query= " +
" oaftype exact datasource and " +
" ( datasourcetypename exact Institutional Repository " +
" or datasourcetypename exact Publication Repository )";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
if ( metadata == null ) {
LOGGER.error("The metadata was null!");
return null;
}
return String.valueOf(metadata.get("total"));
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private String getJournalsStats()
{
String url = baseAddress + "/resources" +
"?query= " +
" oaftype exact datasource and " +
" datasourcetypename exact Journal";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
if ( metadata == null ) {
LOGGER.error("The metadata was null!");
return null;
}
return String.valueOf(metadata.get("total"));
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private String getPublicationStats()
{
String url = baseAddress + "/publications/count";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map<?, ?>) rs.getBody();
if ( metadata == null ) {
LOGGER.error("The metadata was null!");
return null;
}
return String.valueOf(metadata.get("total"));
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private String getDatasetsStats()
{
String url = baseAddress + "/datasets/count";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map<?, ?>) rs.getBody();
if ( metadata == null ) {
LOGGER.error("The metadata was null!");
return null;
}
return String.valueOf(metadata.get("total"));
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private String getSoftwareStats()
{
String url = baseAddress + "/software/count";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map<?, ?>) rs.getBody();
if ( metadata == null ) {
LOGGER.error("The metadata was null!");
return null;
}
return String.valueOf(metadata.get("total"));
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private Map<String,Object> getLastYearUsageStats()
{
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(usagestatsBaseAddress + "/totals")
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
List yearly_stats = (List) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("yearly_stats");
Map lastYear = (Map) yearly_stats.get(yearly_stats.size() - 2);
Integer downloads = (Integer) lastYear.get("downloads");
Integer views = (Integer) lastYear.get("views");
Integer year = (Integer) lastYear.get("year");
Map<String, Object> usagestats = new HashMap<>();
usagestats.put("number", String.valueOf(downloads + views));
usagestats.put("year", year);
return usagestats;
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
private Integer getUsageStatsTotal()
{
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(usagestatsEvents)
.build().encode();
try {
ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("totals");
if ( metadata == null ) {
LOGGER.error("The metadata was null!");
return null;
}
// String rs = restTemplate.getForObject(uriComponents.toUri(), String.class);
// JSONObject resultSet = new JSONObject(rs);
// JSONObject totals = resultSet.getJSONObject("totals");
return (Integer) metadata.get("events");
} catch ( RestClientException rce ) {
LOGGER.error(rce.getMessage());
return null;
} catch ( Exception e ) {
LOGGER.error("", e);
return null;
}
}
}

48
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/AggregatorsHystrixCommand.java
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@ -1,48 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class AggregatorsHystrixCommand extends HystrixCommand<String> {
RestTemplate restTemplate;
String baseAddress;
public AggregatorsHystrixCommand(String baseAddress, RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.baseAddress = baseAddress;
this.restTemplate = restTemplate;
}
@Override
protected String run() throws Exception {
String url = baseAddress + "/resources" +
"?query= " +
" oaftype exact datasource and " +
" ( datasourcetypename exact Institutional Repository Aggregator " +
" or datasourcetypename exact Publication Repository Aggregator )";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map) rs.getBody()).get("meta");
return String.valueOf(metadata.get("total"));
}
@Override
protected String getFallback() {
return null;
}
}

47
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/DataRepositoriesHystrixCommand.java
View File

@ -1,47 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class DataRepositoriesHystrixCommand extends HystrixCommand<String> {
RestTemplate restTemplate ;
private String baseAddress;
public DataRepositoriesHystrixCommand(String baseAddress,RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.baseAddress = baseAddress;
this.restTemplate = restTemplate;
}
@Override
protected String run() {
String url = baseAddress+"/resources" +
"?query= " +
" oaftype exact datasource and " +
" datasourcetypename exact Data Repository ";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page",0)
.queryParam("size",0)
.queryParam("format","json")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET,null,Map.class);
Map metadata = (Map) ((Map)rs.getBody()).get("meta");
return String.valueOf(metadata.get("total"));
}
@Override
protected String getFallback() {
return null;
}
}

44
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/DatasetsHystrixCommand.java
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@ -1,44 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class DatasetsHystrixCommand extends HystrixCommand<String> {
RestTemplate restTemplate;
String baseAddress;
public DatasetsHystrixCommand(String baseAddress,RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.restTemplate = restTemplate;
this.baseAddress = baseAddress;
}
@Override
protected String run() throws Exception {
String url = baseAddress+"/datasets/count";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) (rs.getBody());
return String.valueOf(metadata.get("total"));
}
@Override
protected String getFallback() {
return null;
}
}

48
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/JournalHystrixCommand.java
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@ -1,48 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class JournalHystrixCommand extends HystrixCommand<String> {
RestTemplate restTemplate;
private String baseAddress;
public JournalHystrixCommand(String baseAddress, RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.baseAddress = baseAddress;
this.restTemplate = restTemplate;
}
@Override
protected String run() throws Exception {
String url = baseAddress+"/resources"+
"?query= " +
" oaftype exact datasource and " +
" datasourcetypename exact Journal";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map) rs.getBody()).get("meta");
return String.valueOf(metadata.get("total"));
}
@Override
protected String getFallback() {
return null;
}
}

52
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/LastYearUsageStatsHystrixCommand.java
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@ -1,52 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class LastYearUsageStatsHystrixCommand extends HystrixCommand<Map> {
RestTemplate restTemplate;
String usagestatsBaseAddress;
public LastYearUsageStatsHystrixCommand(String usagestatsBaseAddress,RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.usagestatsBaseAddress = usagestatsBaseAddress;
this.restTemplate = restTemplate;
}
@Override
protected Map run() throws Exception {
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(usagestatsBaseAddress + "/totals")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET,null,Map.class);
List yearly_stats = (List) ((Map)rs.getBody()).get("yearly_stats");
Map lastYear = (Map) yearly_stats.get(yearly_stats.size()-1);
Integer downloads = (Integer) lastYear.get("downloads");
Integer views = (Integer) lastYear.get("views");
Integer year = (Integer) lastYear.get("year");
Map<String,Object> usagestats = new HashMap<>();
usagestats.put("number",String.valueOf(downloads+views));
usagestats.put("year",year);
return usagestats;
}
@Override
protected Map getFallback() {
return null;
}
}

49
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/LiteratureHystrixCommand.java
View File

@ -1,49 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class LiteratureHystrixCommand extends HystrixCommand<String> {
RestTemplate restTemplate;
private String baseAddress;
public LiteratureHystrixCommand(String baseAddress , RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.baseAddress = baseAddress;
this.restTemplate = restTemplate;
}
@Override
protected String run() throws Exception {
String url = baseAddress+"/resources"+
"?query= " +
" oaftype exact datasource and " +
" ( datasourcetypename exact Institutional Repository " +
" or datasourcetypename exact Publication Repository )";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) ((Map) rs.getBody()).get("meta");
return String.valueOf(metadata.get("total"));
}
@Override
protected String getFallback() {
return null;
}
}

45
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/PublicationHystrixCommand.java
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@ -1,45 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class PublicationHystrixCommand extends HystrixCommand<String> {
RestTemplate restTemplate;
private String baseAddress;
public PublicationHystrixCommand(String baseAddress, RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.baseAddress = baseAddress;
this.restTemplate = restTemplate;
}
@Override
protected String run() throws Exception {
String url = baseAddress + "/publications/count";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) (rs.getBody());
return String.valueOf(metadata.get("total"));
}
@Override
protected String getFallback() {
return null;
}
}

44
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/SoftwareHystrixCommand.java
View File

@ -1,44 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class SoftwareHystrixCommand extends HystrixCommand<String> {
String baseAddress;
RestTemplate restTemplate;
public SoftwareHystrixCommand(String baseAddress, RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.baseAddress = baseAddress;
this.restTemplate = restTemplate;
}
@Override
protected String run() {
String url = baseAddress + "/software/count";
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(url)
.queryParam("page", 0)
.queryParam("size", 0)
.queryParam("format", "json")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
Map metadata = (Map) (rs.getBody());
return String.valueOf(metadata.get("total"));
}
@Override
protected String getFallback() {
return null;
}
}

43
src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/UsageStatsTotalHystrixCommand.java
View File

@ -1,43 +0,0 @@
package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.Map;
public class UsageStatsTotalHystrixCommand extends HystrixCommand<Integer> {
RestTemplate restTemplate ;
String usagestatsEvents;
public UsageStatsTotalHystrixCommand(String usagestatsEvents,RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.usagestatsEvents = usagestatsEvents;
this.restTemplate = restTemplate;
}
@Override
protected Integer run() {
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(usagestatsEvents)
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET,null,Map.class);
Map metadata = (Map) ((Map)rs.getBody()).get("totals");
// String rs = restTemplate.getForObject(uriComponents.toUri(), String.class);
// JSONObject resultSet = new JSONObject(rs);
// JSONObject totals = resultSet.getJSONObject("totals");
return (Integer) metadata.get("events");
}
@Override
protected Integer getFallback() {
return null;
}
}