Merge branch 'master' of https://github.com/bculkin2442/bjc-utils2

1 files changed, 36 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/funcutils/QueueBackedIterator.java b/base/src/main/java/bjc/utils/funcutils/QueueBackedIterator.java
new file mode 100644
index 0000000..8b9f401
--- /dev/null
+++ b/base/src/main/java/bjc/utils/funcutils/QueueBackedIterator.java
@@ -0,0 +1,36 @@
+package bjc.utils.funcutils;
+
+import java.util.*;
+
+/**
+ * An iterator backed by a queue.
+ * 
+ * @author Ben Culkin
+ *
+ * @param <ElementType> The type of element
+ */
+public class QueueBackedIterator<ElementType>
+		implements Iterator<ElementType>
+{
+	private final Queue<ElementType> backer;
+
+	/**
+	 * Create a new queue-backed iterator.
+	 * 
+	 * @param backer The queue which backs this iterator.
+	 */
+	public QueueBackedIterator(Queue<ElementType> backer)
+	{
+		this.backer = backer;
+	}
+
+	@Override
+	public boolean hasNext() {
+		return !backer.isEmpty();
+	}
+
+	@Override
+	public ElementType next() {
+		return backer.remove();
+	}
+}
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