本文整理了Java中com.google.common.collect.MinMaxPriorityQueue.peek()方法的一些代码示例，展示了MinMaxPriorityQueue.peek()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。MinMaxPriorityQueue.peek()方法的具体详情如下：
包路径：com.google.common.collect.MinMaxPriorityQueue
类名称：MinMaxPriorityQueue
方法名：peek

MinMaxPriorityQueue.peek介绍

[英]Retrieves, but does not remove, the least element of this queue, or returns null if the queue is empty.
[中]检索但不删除此队列的最小元素，如果队列为空，则返回null。

代码示例

代码示例来源：origin: google/guava

/**
 * Retrieves, but does not remove, the least element of this queue, or returns {@code null} if the
 * queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: google/guava

public void testCreateWithOrdering() {
 MinMaxPriorityQueue<String> mmHeap =
   MinMaxPriorityQueue.orderedBy(Ordering.natural().reverse()).create();
 Collections.addAll(mmHeap, "foo", "bar", "foobar", "barfoo", "larry", "sergey", "eric");
 assertTrue("Heap is not intact initially", mmHeap.isIntact());
 assertEquals("sergey", mmHeap.peek());
 assertEquals("bar", mmHeap.peekLast());
}

代码示例来源：origin: google/j2objc

/**
 * Retrieves, but does not remove, the least element of this queue, or returns {@code null} if the
 * queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: google/guava

public void testCreateWithCapacityAndOrdering() {
 MinMaxPriorityQueue<Integer> mmHeap =
   MinMaxPriorityQueue.orderedBy(Ordering.natural().reverse()).expectedSize(5).create();
 Collections.addAll(mmHeap, 1, 7, 2, 56, 2, 5, 23, 68, 0, 3);
 assertTrue("Heap is not intact initially", mmHeap.isIntact());
 assertEquals(68, (int) mmHeap.peek());
 assertEquals(0, (int) mmHeap.peekLast());
}

代码示例来源：origin: wildfly/wildfly

/**
 * Retrieves, but does not remove, the least element of this queue, or returns {@code null} if the
 * queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: google/guava

public void testSmallMinHeap() {
 MinMaxPriorityQueue<Integer> mmHeap = MinMaxPriorityQueue.create();
 mmHeap.add(1);
 mmHeap.add(3);
 mmHeap.add(2);
 assertEquals(1, (int) mmHeap.peek());
 assertEquals(1, (int) mmHeap.poll());
 assertEquals(3, (int) mmHeap.peekLast());
 assertEquals(2, (int) mmHeap.peek());
 assertEquals(2, (int) mmHeap.poll());
 assertEquals(3, (int) mmHeap.peekLast());
 assertEquals(3, (int) mmHeap.peek());
 assertEquals(3, (int) mmHeap.poll());
 assertNull(mmHeap.peekLast());
 assertNull(mmHeap.peek());
 assertNull(mmHeap.poll());
}

代码示例来源：origin: apache/incubator-gobblin

MultiWorkUnit lightestMultiWorkUnit = pQueue.peek();
long weight = Math.max(1, weighter.weight(workUnit));
long multiWorkUnitWeight = getMultiWorkUnitWeight(lightestMultiWorkUnit);

代码示例来源：origin: google/guava

public void testSmall() {
 MinMaxPriorityQueue<Integer> mmHeap = MinMaxPriorityQueue.create();
 mmHeap.add(1);
 mmHeap.add(4);
 mmHeap.add(2);
 mmHeap.add(3);
 assertEquals(4, (int) mmHeap.pollLast());
 assertEquals(3, (int) mmHeap.peekLast());
 assertEquals(3, (int) mmHeap.pollLast());
 assertEquals(1, (int) mmHeap.peek());
 assertEquals(2, (int) mmHeap.peekLast());
 assertEquals(2, (int) mmHeap.pollLast());
 assertEquals(1, (int) mmHeap.peek());
 assertEquals(1, (int) mmHeap.peekLast());
 assertEquals(1, (int) mmHeap.pollLast());
 assertNull(mmHeap.peek());
 assertNull(mmHeap.peekLast());
 assertNull(mmHeap.pollLast());
}

代码示例来源：origin: apache/phoenix

@Override
public T peek() {
  initMergedQueue();
  if (mergedQueue != null && !mergedQueue.isEmpty()) {
    return mergedQueue.peek().peek();
  }
  return null;
}

代码示例来源：origin: google/guava

public void testRemoveFromStringHeap() {
 MinMaxPriorityQueue<String> mmHeap = MinMaxPriorityQueue.expectedSize(5).create();
 Collections.addAll(mmHeap, "foo", "bar", "foobar", "barfoo", "larry", "sergey", "eric");
 assertTrue("Heap is not intact initially", mmHeap.isIntact());
 assertEquals("bar", mmHeap.peek());
 assertEquals("sergey", mmHeap.peekLast());
 assertEquals(7, mmHeap.size());
 assertTrue("Could not remove larry", mmHeap.remove("larry"));
 assertEquals(6, mmHeap.size());
 assertFalse("heap contains larry which has been removed", mmHeap.contains("larry"));
 assertTrue("heap does not contain sergey", mmHeap.contains("sergey"));
 assertTrue("Could not remove larry", mmHeap.removeAll(Lists.newArrayList("sergey", "eric")));
 assertFalse("Could remove nikesh which is not in the heap", mmHeap.remove("nikesh"));
 assertEquals(4, mmHeap.size());
}

代码示例来源：origin: com.google.guava/guava-jdk5

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: com.atlassian.bundles/guava

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: Nextdoor/bender

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: at.bestsolution.efxclipse.eclipse/com.google.guava

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: com.diffplug.guava/guava-collect

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
  return peek();
}

代码示例来源：origin: org.hudsonci.lib.guava/guava

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-jruby

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: com.ning.billing/killbill-osgi-bundles-analytics

/**
 * Retrieves, but does not remove, the least element of this queue, or returns
 * {@code null} if the queue is empty.
 */
public E peekFirst() {
 return peek();
}

代码示例来源：origin: com.aliyun.phoenix/ali-phoenix-core

@Override
public T peek() {
  initMergedQueue();
  if (mergedQueue != null && !mergedQueue.isEmpty()) {
    return mergedQueue.peek().peek();
  }
  return null;
}

代码示例来源：origin: org.apache.phoenix/phoenix-core

@Override
public T peek() {
  initMergedQueue();
  if (mergedQueue != null && !mergedQueue.isEmpty()) {
    return mergedQueue.peek().peek();
  }
  return null;
}