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