Example usage for org.apache.commons.lang3 ObjectUtils firstNonNull

Introduction

In this page you can find the example usage for org.apache.commons.lang3 ObjectUtils firstNonNull.

Prototype

public static <T> T firstNonNull(final T... values) 

Source Link

Document

Returns the first value in the array which is not null .

Usage

From source file:io.github.rhkiswani.javaff.lang.utils.ArraysUtils.java

public static boolean isEmpty(Object[] arr) {
    if (arr == null) {
        return true;
    }/*from  w  ww  .j  a va 2 s .c om*/
    if (arr.length == 0) {
        return true;
    }
    if (arr.length >= MAX_ARRAY_SIZE) {
        throw new IllegalParamException(SmartException.EXCEEDS_LIMIT, "Array", 500000);
    }
    return ObjectUtils.firstNonNull(arr) == null;
}

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From source file:org.apache.hadoop.hbase.client.AsyncRegionLocatorHelper.java

/**
 * Create a new {@link RegionLocations} based on the given {@code oldLocs}, and remove the
 * location for the given {@code replicaId}.
 * <p/>/*from   ww  w.j  a va 2 s .  c o  m*/
 * All the {@link RegionLocations} in async locator related class are immutable because we want to
 * access them concurrently, so here we need to create a new one, instead of calling
 * {@link RegionLocations#remove(int)}.
 */
static RegionLocations removeRegionLocation(RegionLocations oldLocs, int replicaId) {
    HRegionLocation[] locs = oldLocs.getRegionLocations();
    if (locs.length < replicaId + 1) {
        // Here we do not modify the oldLocs so it is safe to return it.
        return oldLocs;
    }
    locs = Arrays.copyOf(locs, locs.length);
    locs[replicaId] = null;
    if (ObjectUtils.firstNonNull(locs) != null) {
        return new RegionLocations(locs);
    } else {
        // if all the locations are null, just return null
        return null;
    }
}

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