Example usage for java.util.concurrent ConcurrentSkipListMap entrySet

Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentSkipListMap entrySet.

Prototype

EntrySet entrySet

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Document

Lazily initialized entry set

Usage

From source file:org.apache.hadoop.hbase.client.coprocessor.TimeseriesAggregationClient.java

/**
 * This is the client side interface/handle for calling the average method for a given cf-cq
 * combination. It was necessary to add one more call stack as its return type should be a decimal
 * value, irrespective of what columninterpreter says. So, this methods collects the necessary
 * parameters to compute the average and returs the double value.
 * @param table/*from  w w w . j  a  va2s  . c o m*/
 * @param ci
 * @param scan
 * @return <R, S>
 * @throws Throwable
 */
public <R, S, P extends Message, Q extends Message, T extends Message> ConcurrentSkipListMap<Long, Double> avg(
        final HTable table, final ColumnInterpreter<R, S, P, Q, T> ci, Scan scan) throws Throwable {
    ConcurrentSkipListMap<Long, Pair<S, Long>> p = getAvgArgs(table, ci, scan);
    ConcurrentSkipListMap<Long, Double> avg = new ConcurrentSkipListMap<Long, Double>();
    for (Map.Entry<Long, Pair<S, Long>> entry : p.entrySet()) {
        avg.put(entry.getKey(), ci.divideForAvg(entry.getValue().getFirst(), entry.getValue().getSecond()));
    }
    return avg;
}

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From source file:org.apache.hadoop.hbase.coprocessor.client.TimeseriesAggregationClient.java

/**
 * This is the client side interface/handle for calling the average method for a given cf-cq
 * combination. It was necessary to add one more call stack as its return type should be a decimal
 * value, irrespective of what columninterpreter says. So, this methods collects the necessary
 * parameters to compute the average and returs the double value.
 * @param table/*  w  w  w.  j  a v  a 2s .  c o  m*/
 * @param ci
 * @param scan
 * @return <R, S>
 * @throws Throwable
 */
public <R, S, P extends Message, Q extends Message, T extends Message> ConcurrentSkipListMap<Long, Double> avg(
        final Table table, final ColumnInterpreter<R, S, P, Q, T> ci, Scan scan) throws Throwable {
    ConcurrentSkipListMap<Long, Pair<S, Long>> p = getAvgArgs(table, ci, scan);
    ConcurrentSkipListMap<Long, Double> avg = new ConcurrentSkipListMap<Long, Double>();
    for (Map.Entry<Long, Pair<S, Long>> entry : p.entrySet()) {
        avg.put(entry.getKey(), ci.divideForAvg(entry.getValue().getFirst(), entry.getValue().getSecond()));
    }
    return avg;
}

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