From 843329de434bb334d90927c4d22345373a388530 Mon Sep 17 00:00:00 2001 From: bculkin2442 Date: Tue, 2 Jul 2019 18:05:22 -0400 Subject: Rename package root The package root is now bjc, not io.github.bculkin2442. --- src/main/java/bjc/esodata/SimpleDirectory.java | 95 ++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 src/main/java/bjc/esodata/SimpleDirectory.java (limited to 'src/main/java/bjc/esodata/SimpleDirectory.java') 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 + * The key type of the directory. + * + * @param + * The value type of the directory. + */ +public class SimpleDirectory implements Directory { + /* Our sub-directories. */ + private final IMap> children; + /* Our data. */ + private final IMap data; + + /** Create a new directory. */ + public SimpleDirectory() { + children = new FunctionalMap<>(); + data = new FunctionalMap<>(); + } + + @Override + public Directory getSubdirectory(final K key) { + return children.get(key); + } + + @Override + public boolean hasSubdirectory(final K key) { + return children.containsKey(key); + } + + @Override + public Directory putSubdirectory(final K key, final Directory 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); + } +} -- cgit v1.2.3