Inline hippo's yorozuya-thread

* No more dependencies spam thanks

app/src/main/java/com/hippo/yorozuya/thread/InfiniteThreadExecutor.java

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+/*
+ * Copyright 2015-2016 Hippo Seven
+ *
+ * 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.hippo.yorozuya.thread;
+
+import androidx.annotation.NonNull;
+
+import java.util.Queue;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class InfiniteThreadExecutor implements Executor {
+
+    private final long mKeepAliveMillis;
+    private final Queue<Runnable> mWorkQueue;
+    private final ThreadFactory mThreadFactory;
+
+    private final AtomicInteger mThreadCount = new AtomicInteger();
+    private int mEmptyThreadCount;
+
+    private final Object mLock = new Object();
+
+    public InfiniteThreadExecutor(long keepAliveMillis, Queue<Runnable> workQueue, ThreadFactory threadFactory) {
+        mKeepAliveMillis = keepAliveMillis;
+        mWorkQueue = workQueue;
+        mThreadFactory = threadFactory;
+    }
+
+    @Override
+    public void execute(@NonNull Runnable command) {
+        synchronized (mLock) {
+            mWorkQueue.add(command);
+            if (mEmptyThreadCount > 0) {
+                --mEmptyThreadCount;
+                mLock.notify();
+                return;
+            }
+        }
+
+        mThreadFactory.newThread(new Task()).start();
+    }
+
+    public int getThreadCount() {
+        return mThreadCount.get();
+    }
+
+    private class Task implements Runnable {
+
+        @Override
+        public void run() {
+            mThreadCount.incrementAndGet();
+
+            boolean hasWait = false;
+            for (;;) {
+                Runnable command;
+                synchronized (mLock) {
+                    command = mWorkQueue.poll();
+                    if (command == null) {
+                        if (hasWait) {
+                            --mEmptyThreadCount;
+                        }
+                        break;
+                    }
+                }
+
+                try {
+                    command.run();
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+
+                synchronized (mLock) {
+                    ++mEmptyThreadCount;
+                    try {
+                        mLock.wait(mKeepAliveMillis);
+                    } catch (InterruptedException e) {
+                        // Ignore
+                    }
+                }
+
+                hasWait = true;
+            }
+
+            mThreadCount.decrementAndGet();
+        }
+    }
+}

app/src/main/java/com/hippo/yorozuya/thread/PVLock.java

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+/*
+ * Copyright 2015-2016 Hippo Seven
+ *
+ * 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.hippo.yorozuya.thread;
+
+public class PVLock {
+
+    private int mCounter;
+
+    public PVLock(int count) {
+        mCounter = count;
+    }
+
+    /**
+     * Obtain
+     */
+    public synchronized void p() throws InterruptedException {
+        while (true) {
+            if (mCounter > 0) {
+                mCounter--;
+                break;
+            } else {
+                this.wait();
+            }
+        }
+    }
+
+    /**
+     * Release
+     */
+    public synchronized void v() {
+        mCounter++;
+        if (mCounter > 0) {
+            this.notify();
+        }
+    }
+}

app/src/main/java/com/hippo/yorozuya/thread/PriorityThread.java

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+/*
+ * Copyright 2015-2016 Hippo Seven
+ *
+ * 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.hippo.yorozuya.thread;
+
+import android.os.Process;
+
+public class PriorityThread extends Thread {
+
+    private int mPriority;
+
+    public PriorityThread(Runnable runnable, int priority) {
+        super(runnable);
+        mPriority = priority;
+    }
+
+    public PriorityThread(Runnable runnable, String name, int priority) {
+        super(runnable, name);
+        mPriority = priority;
+    }
+
+    @Override
+    public void run() {
+        Process.setThreadPriority(mPriority);
+        super.run();
+    }
+}

app/src/main/java/com/hippo/yorozuya/thread/PriorityThreadFactory.java

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+/*
+ * Copyright 2015-2016 Hippo Seven
+ *
+ * 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.hippo.yorozuya.thread;
+
+import androidx.annotation.NonNull;
+
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * A thread factory that creates threads with a given thread priority.
+ */
+public class PriorityThreadFactory implements ThreadFactory {
+
+    private final int mPriority;
+    private final AtomicInteger mIdGenerator = new AtomicInteger();
+    private final String mName;
+
+    public PriorityThreadFactory(String name, int priority) {
+        mName = name;
+        mPriority = priority;
+    }
+
+    @Override
+    public Thread newThread(@NonNull Runnable r) {
+        return new PriorityThread(r, mName + "-" + mIdGenerator.getAndIncrement(), mPriority);
+    }
+}

app/src/main/java/com/hippo/yorozuya/thread/SerialThreadExecutor.java

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+/*
+ * Copyright 2015-2016 Hippo Seven
+ *
+ * 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.hippo.yorozuya.thread;
+
+import androidx.annotation.NonNull;
+
+import java.util.Queue;
+import java.util.concurrent.Executor;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+public class SerialThreadExecutor implements Executor, Runnable {
+
+    private long mKeepAliveMillis;
+    private Queue<Runnable> mWorkQueue;
+    private ThreadFactory mThreadFactory;
+
+    // The worker
+    private Thread mThread;
+
+    private final Lock mThreadLock = new ReentrantLock();
+    private final Object mWaitLock = new Object();
+
+    public SerialThreadExecutor(long keepAliveMillis,
+            Queue<Runnable> workQueue, ThreadFactory threadFactory) {
+        mKeepAliveMillis = keepAliveMillis;
+        mWorkQueue = workQueue;
+        mThreadFactory = threadFactory;
+    }
+
+    @Override
+    public void execute(@NonNull Runnable command) {
+        mThreadLock.lock();
+
+        mWorkQueue.add(command);
+
+        // Ensure thread
+        if (mThread == null) {
+            mThread = mThreadFactory.newThread(this);
+            mThread.start();
+        } else {
+            synchronized (mWaitLock) {
+                mWaitLock.notify();
+            }
+        }
+
+        mThreadLock.unlock();
+    }
+
+    @Override
+    public void run() {
+        // It tell whether has waited
+        boolean hasWaited = false;
+
+        for (;;) {
+            mThreadLock.lock();
+            Runnable runnable = mWorkQueue.poll();
+            if (runnable == null) {
+                if (hasWaited) {
+                    // Have waited enough time
+                    mThread = null;
+                    mThreadLock.unlock();
+                    break;
+                } else {
+                    mThreadLock.unlock();
+                    hasWaited = true;
+                    synchronized (mWaitLock) {
+                        try {
+                            mWaitLock.wait(mKeepAliveMillis);
+                        } catch (InterruptedException e) {
+                            // Ignore
+                        }
+                    }
+                    continue;
+                }
+            } else {
+                mThreadLock.unlock();
+            }
+
+            hasWaited = false;
+            try {
+                runnable.run();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}