java.util.TreeSet.iterator()方法的使用及代码示例
本文整理了Java中java.util.TreeSet.iterator()方法的一些代码示例，展示了TreeSet.iterator()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。TreeSet.iterator()方法的具体详情如下：
包路径：java.util.TreeSet
类名称：TreeSet
方法名：iterator
TreeSet.iterator介绍
[英]Returns an Iterator on the elements of this TreeSet.
[中]返回此树集元素的迭代器。
代码示例
代码示例来源：origin: Activiti/Activiti
/**
* Get an enumeration of the keys of the JSONObject. The keys will be sorted alphabetically.
*
* @return An iterator of the keys.
*/
public Iterator sortedKeys() {
return new TreeSet(this.map.keySet()).iterator();
}代码示例来源：origin: apache/storm
private Iterator<ObjectResources> getNodeIterator() {
if (nodeIterator != null && nodeIterator.hasNext()) {
return nodeIterator;
}
//need to get the next node iterator
if (rackIterator.hasNext()) {
ObjectResources rack = rackIterator.next();
final String rackId = rack.id;
nodeIterator = parent.getSortedNodesFor(rackId).iterator();
return nodeIterator;
}
return null;
}代码示例来源：origin: jenkinsci/jenkins
/**
* Sorted list of unique max-versions in the data set. For select list in jelly.
*/
@Restricted(NoExternalUse.class)
public Iterator<VersionNumber> getVersionList() {
TreeSet<VersionNumber> set = new TreeSet<VersionNumber>();
for (VersionRange vr : data.values()) {
if (vr.max != null) {
set.add(vr.max);
}
}
return set.iterator();
}代码示例来源：origin: org.apache.commons/commons-math3
/**
* Returns an array consisting of the unique values in {@code data}.
* The return array is sorted in descending order. Empty arrays
* are allowed, but null arrays result in NullPointerException.
* Infinities are allowed. NaN values are allowed with maximum
* sort order - i.e., if there are NaN values in {@code data},
* {@code Double.NaN} will be the first element of the output array,
* even if the array also contains {@code Double.POSITIVE_INFINITY}.
*
* @param data array to scan
* @return descending list of values included in the input array
* @throws NullPointerException if data is null
* @since 3.6
*/
public static double[] unique(double[] data) {
TreeSet<Double> values = new TreeSet<Double>();
for (int i = 0; i < data.length; i++) {
values.add(data[i]);
}
final int count = values.size();
final double[] out = new double[count];
Iterator<Double> iterator = values.iterator();
int i = 0;
while (iterator.hasNext()) {
out[count - ++i] = iterator.next();
}
return out;
}
}代码示例来源：origin: geoserver/geoserver
@Test
public void testMixedElevationExtraction() throws IOException {
MockDimensionReader reader = new MockDimensionReader();
reader.metadata.put(GridCoverage2DReader.HAS_ELEVATION_DOMAIN, "true");
reader.metadata.put(GridCoverage2DReader.ELEVATION_DOMAIN, "0/0/0,10,15/20/1");
ReaderDimensionsAccessor accessor = new ReaderDimensionsAccessor(reader);
TreeSet<Object> domain = accessor.getElevationDomain();
assertEquals(3, domain.size());
Iterator<Object> it = domain.iterator();
Number firstEntry = (Number) it.next();
assertEquals(0, firstEntry.doubleValue(), 0d);
Number secondEntry = (Number) it.next();
assertEquals(10, secondEntry.doubleValue(), 0d);
NumberRange thirdEntry = (NumberRange) it.next();
assertEquals(15, thirdEntry.getMinimum(), 0d);
assertEquals(20, thirdEntry.getMaximum(), 0d);
}代码示例来源：origin: lealone/Lealone
@Override
protected boolean isTargetEndpoint(Database db) {
// boolean isTargetEndpoint = super.isTargetEndpoint(db);
// if (session.isRoot() && isTargetEndpoint) {
// return true;
// }
TreeSet<String> hostIds = new TreeSet<>(Arrays.asList(db.getHostIds()));
NetEndpoint localEndpoint = NetEndpoint.getLocalTcpEndpoint();
if (hostIds.iterator().next().equalsIgnoreCase(localEndpoint.getHostAndPort())) {
return true;
} else {
return false;
}
}代码示例来源：origin: wildfly/wildfly
public Key executeAfter(final Runnable command, final long time, final TimeUnit unit) {
final long millis = unit.toMillis(time);
if ((state & SHUTDOWN) != 0) {
throw log.threadExiting();
}
if (millis <= 0) {
execute(command);
return Key.IMMEDIATE;
}
final long deadline = (nanoTime() - START_TIME) + Math.min(millis, LONGEST_DELAY) * 1000000L;
final TimeKey key = new TimeKey(deadline, command);
synchronized (workLock) {
final TreeSet<TimeKey> queue = delayWorkQueue;
queue.add(key);
if (queue.iterator().next() == key) {
// we're the next one up; poke the selector to update its delay time
if (polling) { // flag is always false if we're the same thread
selector.wakeup();
}
}
return key;
}
}代码示例来源：origin: deeplearning4j/nd4j
public String key(String s, Object... o) {
if (s == null || o != null && o.length > 0) {
throw new IllegalArgumentException("Fingerprint keyer accepts a single string parameter");
}
s = s.trim(); // first off, remove whitespace around the string
s = s.toLowerCase(); // then lowercase it
s = punctctrl.matcher(s).replaceAll(""); // then remove all punctuation and control chars
String[] frags = StringUtils.split(s); // split by whitespace
TreeSet<String> set = new TreeSet<>();
Collections.addAll(set, frags);
StringBuilder b = new StringBuilder();
Iterator<String> i = set.iterator();
while (i.hasNext()) { // join ordered fragments back together
b.append(i.next());
if (i.hasNext()) {
b.append(' ');
}
}
return asciify(b.toString()); // find ASCII equivalent to characters
}代码示例来源：origin: apache/incubator-druid
public PartitionChunk<T> getChunk(final int partitionNum)
{
final Iterator<PartitionChunk<T>> retVal = Iterators.filter(
holderSet.iterator(),
input -> input.getChunkNumber() == partitionNum
);
return retVal.hasNext() ? retVal.next() : null;
}代码示例来源：origin: geoserver/geoserver
@Test
public void testMixedTimeExtraction() throws IOException, ParseException {
MockDimensionReader reader = new MockDimensionReader();
reader.metadata.put(GridCoverage2DReader.HAS_TIME_DOMAIN, "true");
reader.metadata.put(
GridCoverage2DReader.TIME_DOMAIN,
"2016-02-23T03:00:00.000Z/2016-02-23T03:00:00.000Z/PT1S,2016-02-23T06:00:00.000Z,2016-02-23T09:00:00.000Z/2016-02-23T12:00:00.000Z/PT1S");
ReaderDimensionsAccessor accessor = new ReaderDimensionsAccessor(reader);
TreeSet<Object> domain = accessor.getTimeDomain();
assertEquals(3, domain.size());
Iterator<Object> it = domain.iterator();
Date firstEntry = (Date) it.next();
assertEquals(accessor.getTimeFormat().parse("2016-02-23T03:00:00.000Z"), firstEntry);
Date secondEntry = (Date) it.next();
assertEquals(accessor.getTimeFormat().parse("2016-02-23T06:00:00.000Z"), secondEntry);
DateRange thirdEntry = (DateRange) it.next();
assertEquals(
accessor.getTimeFormat().parse("2016-02-23T09:00:00.000Z"),
thirdEntry.getMinValue());
assertEquals(
accessor.getTimeFormat().parse("2016-02-23T12:00:00.000Z"),
thirdEntry.getMaxValue());
}代码示例来源：origin: swagger-api/swagger-core
@Test(description = "it should maintain property names")
public void maintainPropertyNames() {
final Map<String, Schema> schemas = readAll(ModelPropertyName.class);
assertEquals(schemas.size(), 1);
final String modelName = schemas.keySet().iterator().next();
assertEquals(modelName, "ModelPropertyName");
final Schema model = schemas.get(modelName);
final Iterator<String> itr = new TreeSet(model.getProperties().keySet()).iterator();
assertEquals(itr.next(), "gettersAndHaters");
assertEquals(itr.next(), "is_persistent");
}代码示例来源：origin: apache/incubator-druid
@JsonCreator
public ArbitraryGranularitySpec(
@JsonProperty("queryGranularity") Granularity queryGranularity,
@JsonProperty("rollup") Boolean rollup,
@JsonProperty("intervals") List<Interval> inputIntervals
)
{
this.queryGranularity = queryGranularity == null ? Granularities.NONE : queryGranularity;
this.rollup = rollup == null ? Boolean.TRUE : rollup;
this.intervals = new TreeSet<>(Comparators.intervalsByStartThenEnd());
if (inputIntervals == null) {
inputIntervals = new ArrayList<>();
}
// Insert all intervals
for (final Interval inputInterval : inputIntervals) {
intervals.add(inputInterval);
}
// Ensure intervals are non-overlapping (but they may abut each other)
final PeekingIterator<Interval> intervalIterator = Iterators.peekingIterator(intervals.iterator());
while (intervalIterator.hasNext()) {
final Interval currentInterval = intervalIterator.next();
if (intervalIterator.hasNext()) {
final Interval nextInterval = intervalIterator.peek();
if (currentInterval.overlaps(nextInterval)) {
throw new IAE("Overlapping intervals: %s, %s", currentInterval, nextInterval);
}
}
}
}代码示例来源：origin: alibaba/mdrill
/**
* Get an enumeration of the keys of the JSONObject.
* The keys will be sorted alphabetically.
*
* @return An iterator of the keys.
*/
public Iterator sortedKeys() {
return new TreeSet(this.map.keySet()).iterator();
}代码示例来源：origin: apache/incubator-gobblin
/**
* Finds a list of properties whose keys are complete prefix of other keys. This function is
* meant to be used during conversion from Properties to typesafe Config as the latter does not
* support this scenario.
* @param properties the Properties collection to inspect
* @param keyPrefix an optional key prefix which limits which properties are inspected.
* */
public static Set<String> findFullPrefixKeys(Properties properties,
Optional<String> keyPrefix) {
TreeSet<String> propNames = new TreeSet<>();
for (Map.Entry<Object, Object> entry : properties.entrySet()) {
String entryKey = entry.getKey().toString();
if (StringUtils.startsWith(entryKey, keyPrefix.or(StringUtils.EMPTY))) {
propNames.add(entryKey);
}
}
Set<String> result = new HashSet<>();
String lastKey = null;
Iterator<String> sortedKeysIter = propNames.iterator();
while(sortedKeysIter.hasNext()) {
String propName = sortedKeysIter.next();
if (null != lastKey && propName.startsWith(lastKey + ".")) {
result.add(lastKey);
}
lastKey = propName;
}
return result;
}代码示例来源：origin: FudanNLP/fnlp
public void printDocSim() {
Iterator<DocSim> iter = dsMap.iterator();
while (iter.hasNext()) {
System.out.println(iter.next().toString());
}
}代码示例来源：origin: apache/storm
LOG.info("Sorted Racks {}", sortedRacks);
Assert.assertEquals("# of racks sorted", 6, sortedRacks.size());
Iterator<ObjectResources> it = sortedRacks.iterator();
Assert.assertEquals("rack-0 should be ordered first", "rack-0", it.next().id);
Assert.assertEquals("rack-1 should be ordered second", "rack-1", it.next().id);
Assert.assertEquals("rack-4 should be ordered third", "rack-4", it.next().id);
Assert.assertEquals("rack-3 should be ordered fourth", "rack-3", it.next().id);代码示例来源：origin: apache/ignite
long vals = rnd.nextLong(size) + 1;
TreeSet<Long> exp = new TreeSet<>();
exp.add(rnd.nextLong(size) + 1);
checkCursor(tree.find(null, null, new TestTreeFindFilteredClosure(exp), null), exp.iterator());
checkCursor(tree.find(0L, null, new TestTreeFindFilteredClosure(exp), null), exp.iterator());
checkCursor(tree.find(0L, size, new TestTreeFindFilteredClosure(exp), null), exp.iterator());
checkCursor(tree.find(null, size, new TestTreeFindFilteredClosure(exp), null), exp.iterator());代码示例来源：origin: apache/hive
throw e;
TreeSet<Integer> slots = new TreeSet<>();
int approxWorkerCount = 0;
for (String child : allChildNodes) {
slots.add(Integer.parseInt(child.substring(prefix.length())));
Iterator<Integer> slotIter = slots.iterator();
slotToTake = 0;
while (slotIter.hasNext()) {
int nextTaken = slotIter.next();
if (slotToTake < nextTaken) break;
slotToTake = nextTaken + 1;代码示例来源：origin: FudanNLP/fnlp
public void printDocSim() {
Iterator<DocSim> iter = dsMap.iterator();
while (iter.hasNext()) {
System.out.println(iter.next().toString());
}
}
AtomicInteger jobs;代码示例来源：origin: apache/storm
TreeSet<ObjectResources> sortedRacks= rs.sortRacks(null, topo1);
Assert.assertEquals("# of racks sorted", 5, sortedRacks.size());
Iterator<ObjectResources> it = sortedRacks.iterator();
Assert.assertEquals("rack-0 should be ordered first", "rack-0", it.next().id);
Assert.assertEquals("rack-1 should be ordered second", "rack-1", it.next().id);
Assert.assertEquals("rack-4 should be ordered third", "rack-4", it.next().id);
Assert.assertEquals("rack-3 should be ordered fourth", "rack-3", it.next().id);内容来源于网络，如有侵权，请联系作者删除！
