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authorBenjamin J. Culkin <bjculkin@mix.wvu.edu>2017-10-08 22:39:59 -0300
committerBenjamin J. Culkin <bjculkin@mix.wvu.edu>2017-10-08 22:39:59 -0300
commitc82e3b3b2de0633317ec8fc85925e91422820597 (patch)
tree96567416ce23c5ce85601f9cedc3a94bb1c55cba /base/src/main/java/bjc/utils/data/SingleIterator.java
parentb3ac1c8690c3e14c879913e5dcc03a5f5e14876e (diff)
Start splitting into maven modules
Diffstat (limited to 'base/src/main/java/bjc/utils/data/SingleIterator.java')
-rw-r--r--base/src/main/java/bjc/utils/data/SingleIterator.java41
1 files changed, 41 insertions, 0 deletions
diff --git a/base/src/main/java/bjc/utils/data/SingleIterator.java b/base/src/main/java/bjc/utils/data/SingleIterator.java
new file mode 100644
index 0000000..4069c3f
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+++ b/base/src/main/java/bjc/utils/data/SingleIterator.java
@@ -0,0 +1,41 @@
+package bjc.utils.data;
+
+import java.util.Iterator;
+
+/**
+ * An iterator that will only ever yield one item.
+ *
+ * @author EVE
+ *
+ * @param <T>
+ * The type of the item.
+ */
+public class SingleIterator<T> implements Iterator<T> {
+ private final T itm;
+
+ private boolean yielded;
+
+ /**
+ * Create a iterator that yields a single item.
+ *
+ * @param item
+ * The item to yield.
+ */
+ public SingleIterator(final T item) {
+ itm = item;
+
+ yielded = false;
+ }
+
+ @Override
+ public boolean hasNext() {
+ return !yielded;
+ }
+
+ @Override
+ public T next() {
+ yielded = true;
+
+ return itm;
+ }
+}