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package eu.dnetlib.services;
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import java.io.File;
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import java.lang.management.ManagementFactory;
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import java.lang.management.OperatingSystemMXBean;
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/**
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* This bean packages the minimum information for describing a service running instance.
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*/
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public class ServiceRunningInstance {
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private String serviceId;
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private String baseUrl;
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private long freeDiskSpace = 0;
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private long totalDiskSpace = 0;
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private long freeMemory = 0;
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private long totalMemory = 0;
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private long maxMemory = 0;
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private long usedMemory = 0;
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private long numberOfProcessors = 0;
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private double sysLoadAvg = 0;
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public static ServiceRunningInstance newInstance(final String serviceId, final String baseUrl, final String baseDir) {
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return newInstance(new ServiceRunningInstance(), serviceId, baseUrl, baseDir);
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}
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protected static <T extends ServiceRunningInstance> T newInstance(final T instance,
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final String serviceId,
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final String baseUrl,
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final String baseDir) {
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instance.setServiceId(serviceId);
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instance.setBaseUrl(baseUrl);
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final File f = new File(baseDir);
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instance.setFreeDiskSpace(bytesToMegaBytes(f.getFreeSpace()));
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instance.setTotalDiskSpace(bytesToMegaBytes(f.getTotalSpace()));
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final Runtime runtime = Runtime.getRuntime();
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instance.setFreeMemory(bytesToMegaBytes(runtime.freeMemory()));
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instance.setTotalMemory(bytesToMegaBytes(runtime.totalMemory()));
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instance.setMaxMemory(bytesToMegaBytes(runtime.maxMemory()));
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instance.setUsedMemory(bytesToMegaBytes(runtime.totalMemory() - runtime.freeMemory()));
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final OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
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instance.setNumberOfProcessors(osBean.getAvailableProcessors());
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instance.setSysLoadAvg(osBean.getSystemLoadAverage());
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return instance;
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}
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public ServiceRunningInstance() {}
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private static final long bytesToMegaBytes(final long n) {
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return n / 1_048_576;
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}
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public String getServiceId() {
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return serviceId;
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}
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public void setServiceId(final String serviceId) {
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this.serviceId = serviceId;
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}
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public String getBaseUrl() {
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return baseUrl;
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}
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public void setBaseUrl(final String baseUrl) {
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this.baseUrl = baseUrl;
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}
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public long getFreeDiskSpace() {
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return freeDiskSpace;
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}
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public void setFreeDiskSpace(final long freeDiskSpace) {
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this.freeDiskSpace = freeDiskSpace;
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}
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public long getTotalDiskSpace() {
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return totalDiskSpace;
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}
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public void setTotalDiskSpace(final long totalDiskSpace) {
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this.totalDiskSpace = totalDiskSpace;
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}
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public long getFreeMemory() {
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return freeMemory;
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}
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public void setFreeMemory(final long freeMemory) {
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this.freeMemory = freeMemory;
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}
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public long getTotalMemory() {
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return totalMemory;
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}
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public void setTotalMemory(final long totalMemory) {
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this.totalMemory = totalMemory;
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}
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public long getMaxMemory() {
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return maxMemory;
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}
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public void setMaxMemory(final long maxMemory) {
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this.maxMemory = maxMemory;
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}
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public long getUsedMemory() {
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return usedMemory;
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}
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public void setUsedMemory(final long usedMemory) {
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this.usedMemory = usedMemory;
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}
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public long getNumberOfProcessors() {
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return numberOfProcessors;
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}
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public void setNumberOfProcessors(final long numberOfProcessors) {
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this.numberOfProcessors = numberOfProcessors;
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}
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public double getSysLoadAvg() {
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return sysLoadAvg;
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}
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public void setSysLoadAvg(final double sysLoadAvg) {
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this.sysLoadAvg = sysLoadAvg;
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}
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}
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