move ObservableXXXX classes under utils/

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / utils / ObservableAtomicInteger.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/utils/ObservableAtomicInteger.java b/app/src/main/java/net/ktnx/mobileledger/utils/ObservableAtomicInteger.java
new file mode 100644 (file)
index 0000000..9e1ba92
--- /dev/null
+++ b/app/src/main/java/net/ktnx/mobileledger/utils/ObservableAtomicInteger.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright © 2019 Damyan Ivanov.
+ * This file is part of Mobile-Ledger.
+ * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * under the term of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your opinion), any later version.
+ *
+ * Mobile-Ledger is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License terms for details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.ktnx.mobileledger.utils;
+
+import android.os.Build;
+import android.support.annotation.RequiresApi;
+
+import java.util.Observable;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.IntBinaryOperator;
+import java.util.function.IntUnaryOperator;
+
+public class ObservableAtomicInteger extends Observable {
+    private AtomicInteger holder;
+    ObservableAtomicInteger() {
+        super();
+        holder = new AtomicInteger();
+    }
+    public ObservableAtomicInteger(int initialValue) {
+        this();
+        holder.set(initialValue);
+    }
+    public int get() {
+        return holder.get();
+    }
+    public void set(int newValue) {
+//        Log.d("atomic", "set");
+        holder.set(newValue);
+        forceNotify();
+    }
+    private void forceNotify() {
+        setChanged();
+//        Log.d("atomic", String.format("notifying %d observers", countObservers()));
+        notifyObservers();
+    }
+//    public void lazySet(int newValue) {
+//        holder.lazySet(newValue);
+//        forceNotify();
+//    }
+    public int getAndSet(int newValue) {
+        int result = holder.getAndSet(newValue);
+        forceNotify();
+        return result;
+    }
+    public boolean compareAndSet(int expect, int update) {
+        boolean result = holder.compareAndSet(expect, update);
+        if (result) forceNotify();
+        return result;
+    }
+//    public boolean weakCompareAndSet(int expect, int update) {
+//        boolean result = holder.weakCompareAndSet(expect, update);
+//        if (result) forceNotify();
+//        return result;
+//    }
+    public int getAndIncrement() {
+        int result = holder.getAndIncrement();
+        forceNotify();
+        return result;
+    }
+    public int getAndDecrement() {
+        int result = holder.getAndDecrement();
+        forceNotify();
+        return result;
+    }
+    public int getAndAdd(int delta) {
+        int result = holder.getAndAdd(delta);
+        forceNotify();
+        return result;
+    }
+    public int incrementAndGet() {
+//        Log.d("atomic", "incrementAndGet");
+        int result = holder.incrementAndGet();
+        forceNotify();
+        return result;
+    }
+    public int decrementAndGet() {
+//        Log.d("atomic", "decrementAndGet");
+        int result = holder.decrementAndGet();
+        forceNotify();
+        return result;
+    }
+    public int addAndGet(int delta) {
+        int result = holder.addAndGet(delta);
+        forceNotify();
+        return result;
+    }
+    @RequiresApi(Build.VERSION_CODES.N)
+    public int getAndUpdate(IntUnaryOperator updateFunction) {
+        int result = holder.getAndUpdate(updateFunction);
+        forceNotify();
+        return result;
+    }
+    @RequiresApi(api = Build.VERSION_CODES.N)
+    public int updateAndGet(IntUnaryOperator updateFunction) {
+        int result = holder.updateAndGet(updateFunction);
+        forceNotify();
+        return result;
+    }
+    @RequiresApi(api = Build.VERSION_CODES.N)
+    public int getAndAccumulate(int x, IntBinaryOperator accumulatorFunction) {
+        int result = holder.getAndAccumulate(x, accumulatorFunction);
+        forceNotify();
+        return result;
+    }
+    @RequiresApi(api = Build.VERSION_CODES.N)
+    public int accumulateAndGet(int x, IntBinaryOperator accumulatorFunction) {
+        int result = holder.accumulateAndGet(x, accumulatorFunction);
+        forceNotify();
+        return result;
+    }
+    public int intValue() {
+        return holder.intValue();
+    }
+    public long longValue() {
+        return holder.longValue();
+    }
+    public float floatValue() {
+        return holder.floatValue();
+    }
+    public double doubleValue() {
+        return holder.doubleValue();
+    }
+    public byte byteValue() {
+        return holder.byteValue();
+    }
+    public short shortValue() {
+        return holder.shortValue();
+    }
+}