Java Metric类代码示例

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
@Override
public synchronized void createCustomMetric(String name, String description, String kind, LongSupplier value) {
    
    LongSupplier supplier = requireNonNull(value);
    Metric cm = context.getMetrics().createCustomMetric(
            requireNonNull(name),
            requireNonNull(description),
            Metric.Kind.valueOf(kind.toUpperCase(Locale.US)));
    cm.setValue(supplier.getAsLong());
    
    if (metrics == null) {
        metrics = new ArrayList<>();
        
        metricsGetter = getScheduledExecutorService().scheduleWithFixedDelay(this::updateMetrics,
                1, 1, TimeUnit.SECONDS);
    }
    
    metrics.add(() -> cm.setValue(supplier.getAsLong()));
}
 

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
/**
 * isConnected metric describes current connection status to Elasticsearch server.
 * @param isConnected
 */
@CustomMetric(name = "isConnected", kind = Metric.Kind.GAUGE,
		description = "Describes whether we are currently connected to Elasticsearch server.")
public void setIsConnected(Metric isConnected) {
	this.isConnected = isConnected;
}
 

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
/**
 * totalFailedRequests describes the number of failed inserts/gets over the lifetime of the operator.
 * @param totalFailedRequests
 */
@CustomMetric(name = "totalFailedRequests", kind = Metric.Kind.COUNTER,
		description = "The number of failed inserts/gets over the lifetime of the operator.")
public void setTotalFailedRequests(Metric totalFailedRequests) {
	this.totalFailedRequests = totalFailedRequests;
}
 

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
/**
 * numInserts metric describes the number of times a record has been successfully written.
 * @param numInserts
 */
@CustomMetric(name = "numInserts", kind = Metric.Kind.COUNTER,
		description = "The number of times a record has been written to the Elasticsearch server.")
public void setNumInserts(Metric numInserts) {
	this.numInserts = numInserts;
}
 

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
/**
 * isConnected metric describes current connection status to Elasticsearch server.
 * @param reconnectionCount
 */
@CustomMetric(name = "reconnectionCount", kind = Metric.Kind.COUNTER,
		description = "The number of times the operator has tried reconnecting to the server since the last successful connection.")
public void setReconnectionCount(Metric reconnectionCount) {
	this.reconnectionCount = reconnectionCount;
}
 

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
/**
 * The average size of inserted records, in bytes, within the current type.
 * @param avgInsertSizeBytes
 */
@CustomMetric(name = "avgInsertSizeBytes", kind = Metric.Kind.GAUGE,
		description = "The average size of inserted records, in bytes (aggregated over all documents within the current type).")
public void setAvgInsertSizeBytes(Metric avgInsertSizeBytes) {
	this.avgInsertSizeBytes = avgInsertSizeBytes;
}
 

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
public Metric getnPartitions() {
    return nPartitions;
}
 

import com.ibm.streams.operator.metrics.Metric; //导入依赖的package包/类
@CustomMetric(kind = Kind.GAUGE)
public void setnPartitions(Metric nPartitions) {
    this.nPartitions = nPartitions;
}