CopyLock.smali

.class public Landroidx/room/util/CopyLock;
.super Ljava/lang/Object;
.source "SourceFile"


# static fields
.field private static final sThreadLocks:Ljava/util/Map;
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "Ljava/util/Map<",
            "Ljava/lang/String;",
            "Ljava/util/concurrent/locks/Lock;",
            ">;"
        }
    .end annotation
.end field


# instance fields
.field private final mCopyLockFile:Ljava/io/File;

.field private final mFileLevelLock:Z

.field private mLockChannel:Ljava/nio/channels/FileChannel;

.field private final mThreadLock:Ljava/util/concurrent/locks/Lock;


# direct methods
.method static constructor <clinit>()V
    .registers 1

    .line 55
    new-instance v0, Ljava/util/HashMap;

    invoke-direct {v0}, Ljava/util/HashMap;-><init>()V

    sput-object v0, Landroidx/room/util/CopyLock;->sThreadLocks:Ljava/util/Map;

    return-void
.end method

.method public constructor <init>(Ljava/lang/String;Ljava/io/File;Z)V
    .registers 6

    .line 69
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 70
    new-instance v0, Ljava/io/File;

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string p1, ".lck"

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p2, p1}, Ljava/io/File;-><init>(Ljava/io/File;Ljava/lang/String;)V

    iput-object v0, p0, Landroidx/room/util/CopyLock;->mCopyLockFile:Ljava/io/File;

    .line 71
    invoke-virtual {v0}, Ljava/io/File;->getAbsolutePath()Ljava/lang/String;

    move-result-object p1

    invoke-static {p1}, Landroidx/room/util/CopyLock;->getThreadLock(Ljava/lang/String;)Ljava/util/concurrent/locks/Lock;

    move-result-object p1

    iput-object p1, p0, Landroidx/room/util/CopyLock;->mThreadLock:Ljava/util/concurrent/locks/Lock;

    .line 72
    iput-boolean p3, p0, Landroidx/room/util/CopyLock;->mFileLevelLock:Z

    return-void
.end method

.method private static getThreadLock(Ljava/lang/String;)Ljava/util/concurrent/locks/Lock;
    .registers 4

    .line 103
    sget-object v0, Landroidx/room/util/CopyLock;->sThreadLocks:Ljava/util/Map;

    monitor-enter v0

    .line 104
    :try_start_3
    sget-object v1, Landroidx/room/util/CopyLock;->sThreadLocks:Ljava/util/Map;

    invoke-interface {v1, p0}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v1

    check-cast v1, Ljava/util/concurrent/locks/Lock;

    if-nez v1, :cond_17

    .line 106
    new-instance v1, Ljava/util/concurrent/locks/ReentrantLock;

    invoke-direct {v1}, Ljava/util/concurrent/locks/ReentrantLock;-><init>()V

    .line 107
    sget-object v2, Landroidx/room/util/CopyLock;->sThreadLocks:Ljava/util/Map;

    invoke-interface {v2, p0, v1}, Ljava/util/Map;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    .line 109
    :cond_17
    monitor-exit v0

    return-object v1

    :catchall_19
    move-exception p0

    .line 110
    monitor-exit v0
    :try_end_1b
    .catchall {:try_start_3 .. :try_end_1b} :catchall_19

    throw p0
.end method


# virtual methods
.method public lock()V
    .registers 4

    .line 79
    iget-object v0, p0, Landroidx/room/util/CopyLock;->mThreadLock:Ljava/util/concurrent/locks/Lock;

    invoke-interface {v0}, Ljava/util/concurrent/locks/Lock;->lock()V

    .line 80
    iget-boolean v0, p0, Landroidx/room/util/CopyLock;->mFileLevelLock:Z

    if-eqz v0, :cond_23

    .line 82
    :try_start_9
    new-instance v0, Ljava/io/FileOutputStream;

    iget-object v1, p0, Landroidx/room/util/CopyLock;->mCopyLockFile:Ljava/io/File;

    invoke-direct {v0, v1}, Ljava/io/FileOutputStream;-><init>(Ljava/io/File;)V

    invoke-virtual {v0}, Ljava/io/FileOutputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v0

    iput-object v0, p0, Landroidx/room/util/CopyLock;->mLockChannel:Ljava/nio/channels/FileChannel;

    .line 83
    invoke-virtual {v0}, Ljava/nio/channels/FileChannel;->lock()Ljava/nio/channels/FileLock;
    :try_end_19
    .catch Ljava/io/IOException; {:try_start_9 .. :try_end_19} :catch_1a

    return-void

    :catch_1a
    move-exception v0

    .line 85
    new-instance v1, Ljava/lang/IllegalStateException;

    const-string v2, "Unable to grab copy lock."

    invoke-direct {v1, v2, v0}, Ljava/lang/IllegalStateException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1

    :cond_23
    return-void
.end method

.method public unlock()V
    .registers 2

    .line 94
    iget-object v0, p0, Landroidx/room/util/CopyLock;->mLockChannel:Ljava/nio/channels/FileChannel;

    if-eqz v0, :cond_7

    .line 96
    :try_start_4
    invoke-virtual {v0}, Ljava/nio/channels/FileChannel;->close()V
    :try_end_7
    .catch Ljava/io/IOException; {:try_start_4 .. :try_end_7} :catch_7

    .line 99
    :catch_7
    :cond_7
    iget-object v0, p0, Landroidx/room/util/CopyLock;->mThreadLock:Ljava/util/concurrent/locks/Lock;

    invoke-interface {v0}, Ljava/util/concurrent/locks/Lock;->unlock()V

    return-void
.end method