View.java 文件源码

/**
 * @return Returns the defined partitions as a Set.
 */
@Transient
public Set<Integer> getPartitionsAsSet() {
    final Set<Integer> partitionsSet = new HashSet<>();

    // Avoid NPE.
    if (getPartitions() == null) {
        return partitionsSet;
    }

    final String[] partitions = getPartitions().split(",");

    for (final String partitionStr: partitions) {
        try {
            partitionsSet.add(Integer.parseInt(partitionStr));
        } catch (NumberFormatException e) {
            // Ignore?
        }
    }
    return partitionsSet;
}