Add several classes from dx tool to the dexgen project

[android-x86/dalvik.git] / dexgen / src / com / android / dexgen / util / IntSet.java

diff --git a/dexgen/src/com/android/dexgen/util/IntSet.java b/dexgen/src/com/android/dexgen/util/IntSet.java
new file mode 100644 (file)
index 0000000..4de7525
--- /dev/null
+++ b/dexgen/src/com/android/dexgen/util/IntSet.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dexgen.util;
+
+/**
+ * A set of integers
+ */
+public interface IntSet {
+
+    /**
+     * Adds an int to a set
+     *
+     * @param value int to add
+     */
+    void add(int value);
+
+    /**
+     * Removes an int from a set.
+     *
+     * @param value int to remove
+     */
+    void remove(int value);
+
+    /**
+     * Checks to see if a value is in the set
+     *
+     * @param value int to check
+     * @return true if in set
+     */
+    boolean has(int value);
+
+    /**
+     * Merges {@code other} into this set, so this set becomes the
+     * union of the two.
+     *
+     * @param other {@code non-null;} other set to merge with.
+     */
+    void merge(IntSet other);
+
+    /**
+     * Returns the count of unique elements in this set.
+     *
+     * @return {@code > = 0;} count of unique elements
+     */
+    int elements();
+
+    /**
+     * Iterates the set
+     *
+     * @return {@code non-null;} a set iterator
+     */
+    IntIterator iterator();
+}