summaryrefslogtreecommitdiff
path: root/src/main/java/bjc/esodata/SimpleDirectory.java
diff options
context:
space:
mode:
authorbculkin2442 <bjculkin@mix.wvu.edu>2019-07-02 18:05:22 -0400
committerbculkin2442 <bjculkin@mix.wvu.edu>2019-07-02 18:05:22 -0400
commit843329de434bb334d90927c4d22345373a388530 (patch)
treeb0ad1f764bd29ff43841e1095a5b58194c20cb37 /src/main/java/bjc/esodata/SimpleDirectory.java
parentac36f171a3cebb0993cc28548635e3f654f8e325 (diff)
Rename package root
The package root is now bjc, not io.github.bculkin2442.
Diffstat (limited to 'src/main/java/bjc/esodata/SimpleDirectory.java')
-rw-r--r--src/main/java/bjc/esodata/SimpleDirectory.java95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/main/java/bjc/esodata/SimpleDirectory.java b/src/main/java/bjc/esodata/SimpleDirectory.java
new file mode 100644
index 0000000..8ac19cf
--- /dev/null
+++ b/src/main/java/bjc/esodata/SimpleDirectory.java
@@ -0,0 +1,95 @@
+package bjc.esodata;
+
+import bjc.funcdata.FunctionalMap;
+import bjc.funcdata.IMap;
+
+/**
+ * Simple implementation of {@link Directory}.
+ *
+ * Has a split namespace for data and children.
+ *
+ * @author EVE
+ *
+ * @param <K>
+ * The key type of the directory.
+ *
+ * @param <V>
+ * The value type of the directory.
+ */
+public class SimpleDirectory<K, V> implements Directory<K, V> {
+ /* Our sub-directories. */
+ private final IMap<K, Directory<K, V>> children;
+ /* Our data. */
+ private final IMap<K, V> data;
+
+ /** Create a new directory. */
+ public SimpleDirectory() {
+ children = new FunctionalMap<>();
+ data = new FunctionalMap<>();
+ }
+
+ @Override
+ public Directory<K, V> getSubdirectory(final K key) {
+ return children.get(key);
+ }
+
+ @Override
+ public boolean hasSubdirectory(final K key) {
+ return children.containsKey(key);
+ }
+
+ @Override
+ public Directory<K, V> putSubdirectory(final K key, final Directory<K, V> val) {
+ return children.put(key, val);
+ }
+
+ @Override
+ public boolean containsKey(final K key) {
+ return data.containsKey(key);
+ }
+
+ @Override
+ public V getKey(final K key) {
+ return data.get(key);
+ }
+
+ @Override
+ public V putKey(final K key, final V val) {
+ return data.put(key, val);
+ }
+
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+
+ int result = 1;
+ result = prime * result + (children == null ? 0 : children.hashCode());
+ result = prime * result + (data == null ? 0 : data.hashCode());
+
+ return result;
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if(this == obj) return true;
+ if(obj == null) return false;
+ if(!(obj instanceof SimpleDirectory<?, ?>)) return false;
+
+ final SimpleDirectory<?, ?> other = (SimpleDirectory<?, ?>) obj;
+
+ if(children == null) {
+ if(other.children != null) return false;
+ } else if(!children.equals(other.children)) return false;
+
+ if(data == null) {
+ if(other.data != null) return false;
+ } else if(!data.equals(other.data)) return false;
+
+ return true;
+ }
+
+ @Override
+ public String toString() {
+ return String.format("SimpleDirectory [children=%s, data=%s]", children, data);
+ }
+}