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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/funcdata/SentryList.java
parentb3ac1c8690c3e14c879913e5dcc03a5f5e14876e (diff)
Start splitting into maven modules
Diffstat (limited to 'base/src/main/java/bjc/utils/funcdata/SentryList.java')
-rw-r--r--base/src/main/java/bjc/utils/funcdata/SentryList.java41
1 files changed, 41 insertions, 0 deletions
diff --git a/base/src/main/java/bjc/utils/funcdata/SentryList.java b/base/src/main/java/bjc/utils/funcdata/SentryList.java
new file mode 100644
index 0000000..c322743
--- /dev/null
+++ b/base/src/main/java/bjc/utils/funcdata/SentryList.java
@@ -0,0 +1,41 @@
+package bjc.utils.funcdata;
+
+import java.util.List;
+
+/**
+ * A list that logs when items are inserted into it.
+ *
+ * @author bjculkin
+ *
+ * @param <T>
+ * The type of item in the list.
+ */
+public class SentryList<T> extends FunctionalList<T> {
+ /**
+ * Create a new sentry list.
+ */
+ public SentryList() {
+ super();
+ }
+
+ /**
+ * Create a new sentry list backed by an existing list.
+ *
+ * @param backing
+ * The backing list.
+ */
+ public SentryList(final List<T> backing) {
+ super(backing);
+ }
+
+ @Override
+ public boolean add(final T item) {
+ final boolean val = super.add(item);
+
+ if (val) {
+ System.out.println("Added item (" + item + ") to list");
+ }
+
+ return val;
+ }
+}