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Prevent stupid unchecked warning in Java 7's javac. This is a bug in javac, but we also don't need the SuppressWarnings on the whole ctor. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1576521 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uwe Schindler 2014-03-11 22:09:29 +00:00
parent 40fd13c0ad
commit bfe18a4936
1 changed files with 5 additions and 5 deletions
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10
lucene/core/src/java/org/apache/lucene/util/PriorityQueue.java
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@ -29,7 +29,7 @@ package org.apache.lucene.util;
* @lucene.internal * @lucene.internal
*/ */
public abstract class PriorityQueue<T> { public abstract class PriorityQueue<T> {
private int size; private int size = 0;
private final int maxSize; private final int maxSize;
private final T[] heap; private final T[] heap;
@ -37,10 +37,8 @@ public abstract class PriorityQueue<T> {
this(maxSize, true); this(maxSize, true);
} }
@SuppressWarnings("unchecked")
public PriorityQueue(int maxSize, boolean prepopulate) { public PriorityQueue(int maxSize, boolean prepopulate) {
size = 0; final int heapSize;
int heapSize;
if (0 == maxSize) { if (0 == maxSize) {
// We allocate 1 extra to avoid if statement in top() // We allocate 1 extra to avoid if statement in top()
heapSize = 2; heapSize = 2;
@ -62,7 +60,9 @@ public abstract class PriorityQueue<T> {
heapSize = maxSize + 1; heapSize = maxSize + 1;
} }
} }
heap = (T[]) new Object[heapSize]; // T is unbounded type, so this unchecked cast works always // T is unbounded type, so this unchecked cast works always:
@SuppressWarnings("unchecked") final T[] h = (T[]) new Object[heapSize];
this.heap = h;
this.maxSize = maxSize; this.maxSize = maxSize;
if (prepopulate) { if (prepopulate) {