Java ConnectionModel.setId方法代码示例

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
@Override
public List<ConnectionModel> findConnectionModel(int id) {
    final List<ConnectionModel> resultList = new ArrayList<>();

    Cursor c = null;
    try {
        c = db.rawQuery(FileDownloadUtils.formatString("SELECT * FROM %s WHERE %s = ?",
                CONNECTION_TABLE_NAME, ConnectionModel.ID), new String[]{Integer.toString(id)});

        while (c.moveToNext()) {
            final ConnectionModel model = new ConnectionModel();
            model.setId(id);
            model.setIndex(c.getInt(c.getColumnIndex(ConnectionModel.INDEX)));
            model.setStartOffset(c.getInt(c.getColumnIndex(ConnectionModel.START_OFFSET)));
            model.setCurrentOffset(c.getInt(c.getColumnIndex(ConnectionModel.CURRENT_OFFSET)));
            model.setEndOffset(c.getInt(c.getColumnIndex(ConnectionModel.END_OFFSET)));

            resultList.add(model);
        }
    } finally {
        if (c != null)
            c.close();
    }

    return resultList;
}
 

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
@Override
public List<ConnectionModel> findConnectionModel(int id) {
    final List<ConnectionModel> resultList = new ArrayList<>();

    Cursor c = null;
    try {
        c = db.rawQuery(FileDownloadUtils.formatString("SELECT * FROM %s WHERE %s = ?",
                CONNECTION_TABLE_NAME, ConnectionModel.ID), new String[]{Integer.toString(id)});

        while (c.moveToNext()) {
            final ConnectionModel model = new ConnectionModel();
            model.setId(id);
            model.setIndex(c.getInt(c.getColumnIndex(ConnectionModel.INDEX)));
            model.setStartOffset(c.getLong(c.getColumnIndex(ConnectionModel.START_OFFSET)));
            model.setCurrentOffset(c.getLong(c.getColumnIndex(ConnectionModel.CURRENT_OFFSET)));
            model.setEndOffset(c.getLong(c.getColumnIndex(ConnectionModel.END_OFFSET)));

            resultList.add(model);
        }
    } finally {
        if (c != null)
            c.close();
    }

    return resultList;
}
 

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
@Override
public List<ConnectionModel> findConnectionModel(int id) {
    final List<ConnectionModel> resultList = new ArrayList<>();

    Cursor c = null;
    try {
        c = db.rawQuery(FileDownloadUtils.formatString("SELECT * FROM %s WHERE %s = ?",
                CONNECTION_TABLE_NAME, ConnectionModel.ID), new String[]{Integer.toString(id)});

        while (c.moveToNext()) {
            final ConnectionModel model = new ConnectionModel();
            model.setId(id);
            model.setIndex(c.getInt(c.getColumnIndex(ConnectionModel.INDEX)));
            model.setStartOffset(c.getLong(c.getColumnIndex(ConnectionModel.START_OFFSET)));
            model.setCurrentOffset(c.getLong(c.getColumnIndex(ConnectionModel.CURRENT_OFFSET)));
            model.setEndOffset(c.getLong(c.getColumnIndex(ConnectionModel.END_OFFSET)));

            resultList.add(model);
        }
    } finally {
        if (c != null) c.close();
    }

    return resultList;
}
 

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
private void fetchWithMultipleConnectionFromBeginning(final long totalLength, final int connectionCount) throws InterruptedException {
    long startOffset = 0;
    final long eachRegion = totalLength / connectionCount;
    final int id = model.getId();

    final List<ConnectionModel> connectionModelList = new ArrayList<>();

    for (int i = 0; i < connectionCount; i++) {

        final long endOffset;
        if (i == connectionCount - 1) {
            // avoid float precision error
            endOffset = 0;
        } else {
            // [startOffset, endOffset)
            endOffset = startOffset + eachRegion - 1;
        }

        final ConnectionModel connectionModel = new ConnectionModel();
        connectionModel.setId(id);
        connectionModel.setIndex(i);
        connectionModel.setStartOffset(startOffset);
        connectionModel.setCurrentOffset(startOffset);
        connectionModel.setEndOffset(endOffset);
        connectionModelList.add(connectionModel);

        database.insertConnectionModel(connectionModel);
        startOffset += eachRegion;
    }

    model.setConnectionCount(connectionCount);
    database.updateConnectionCount(id, connectionCount);

    fetchWithMultipleConnection(connectionModelList, totalLength);
}
 

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
@Override
public void onFinishMaintain() {
    if (currentIterator != null) currentIterator.onFinishMaintain();

    final int length = needChangeIdList.size();
    if (length < 0) return;

    db.beginTransaction();
    try {
        for (int i = 0; i < length; i++) {
            final int oldId = needChangeIdList.keyAt(i);
            final FileDownloadModel modelWithNewId = needChangeIdList.get(oldId);
            db.delete(TABLE_NAME, FileDownloadModel.ID + " = ?", new String[]{String.valueOf(oldId)});
            db.insert(TABLE_NAME, null, modelWithNewId.toContentValues());

            if (modelWithNewId.getConnectionCount() > 1) {
                List<ConnectionModel> connectionModelList = findConnectionModel(oldId);
                if (connectionModelList.size() <= 0) continue;

                db.delete(CONNECTION_TABLE_NAME, ConnectionModel.ID + " = ?", new String[]{String.valueOf(oldId)});
                for (ConnectionModel connectionModel : connectionModelList) {
                    connectionModel.setId(modelWithNewId.getId());
                    db.insert(CONNECTION_TABLE_NAME, null, connectionModel.toContentValues());
                }
            }
        }

        db.setTransactionSuccessful();
    } finally {
        db.endTransaction();
    }

}
 

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
private void fetchWithMultiConnectionFromBeginning(final long totalLength,
                                                   final int connectionCount)
        throws InterruptedException {
    long startOffset = 0;
    final long eachRegion = totalLength / connectionCount;
    final int id = model.getId();

    final List<ConnectionModel> connectionModelList = new ArrayList<>();

    for (int i = 0; i < connectionCount; i++) {

        final long endOffset;
        if (i == connectionCount - 1) {
            // avoid float precision error
            endOffset = 0;
        } else {
            // [startOffset, endOffset)
            endOffset = startOffset + eachRegion - 1;
        }

        final ConnectionModel connectionModel = new ConnectionModel();
        connectionModel.setId(id);
        connectionModel.setIndex(i);
        connectionModel.setStartOffset(startOffset);
        connectionModel.setCurrentOffset(startOffset);
        connectionModel.setEndOffset(endOffset);
        connectionModelList.add(connectionModel);

        database.insertConnectionModel(connectionModel);
        startOffset += eachRegion;
    }

    model.setConnectionCount(connectionCount);
    database.updateConnectionCount(id, connectionCount);

    fetchWithMultipleConnection(connectionModelList, totalLength);
}
 

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
private void checkupBeforeFetch() throws RetryDirectly, DiscardSafely {
    final int id = model.getId();

    if (model.isPathAsDirectory()) {
        // this scope for caring about the case of there is another task is provided
        // the same path to store file and the same url.

        final String targetFilePath = model.getTargetFilePath();

        // get the ID after got the filename.
        final int fileCaseId = FileDownloadUtils.generateId(model.getUrl(),
                targetFilePath);

        // whether the file with the filename has been existed.
        if (FileDownloadHelper.inspectAndInflowDownloaded(id,
                targetFilePath, isForceReDownload, false)) {
            database.remove(id);
            database.removeConnections(id);
            throw new DiscardSafely();
        }

        final FileDownloadModel fileCaseModel = database.find(fileCaseId);

        if (fileCaseModel != null) {
            // the task with the same file name and url has been exist.

            // whether the another task with the same file and url is downloading.
            if (FileDownloadHelper.inspectAndInflowDownloading(id, fileCaseModel,
                    threadPoolMonitor, false)) {
                //it has been post to upper layer the 'warn' message, so the current
                // task no need to continue download.
                database.remove(id);
                database.removeConnections(id);
                throw new DiscardSafely();
            }

            final List<ConnectionModel> connectionModelList = database.findConnectionModel(fileCaseId);

            // the another task with the same file name and url is paused
            database.remove(fileCaseId);
            database.removeConnections(fileCaseId);
            FileDownloadUtils.deleteTargetFile(model.getTargetFilePath());

            if (FileDownloadUtils.isBreakpointAvailable(fileCaseId, fileCaseModel)) {
                model.setSoFar(fileCaseModel.getSoFar());
                model.setTotal(fileCaseModel.getTotal());
                model.setETag(fileCaseModel.getETag());
                model.setConnectionCount(fileCaseModel.getConnectionCount());
                database.update(model);

                // re connect to resume from breakpoint.
                if (connectionModelList != null) {
                    for (ConnectionModel connectionModel : connectionModelList) {
                        connectionModel.setId(id);
                        database.insertConnectionModel(connectionModel);
                    }
                }

                // retry
                throw new RetryDirectly();
            }
        }

        // whether there is an another running task with the same target-file-path.
        if (FileDownloadHelper.inspectAndInflowConflictPath(id, model.getSoFar(),
                model.getTempFilePath(),
                targetFilePath,
                threadPoolMonitor)) {
            database.remove(id);
            database.removeConnections(id);

            throw new DiscardSafely();
        }
    }
}
 

import com.liulishuo.filedownloader.model.ConnectionModel; //导入方法依赖的package包/类
private void checkupBeforeFetch() throws RetryDirectly, DiscardSafely {
    final int id = model.getId();

    if (model.isPathAsDirectory()) {
        // this scope for caring about the case of there is another task is provided
        // the same path to store file and the same url.

        final String targetFilePath = model.getTargetFilePath();

        // get the ID after got the filename.
        final int fileCaseId = FileDownloadUtils.generateId(model.getUrl(),
                targetFilePath);

        // whether the file with the filename has been existed.
        if (FileDownloadHelper.inspectAndInflowDownloaded(id,
                targetFilePath, isForceReDownload, false)) {
            database.remove(id);
            database.removeConnections(id);
            throw new DiscardSafely();
        }

        final FileDownloadModel fileCaseModel = database.find(fileCaseId);

        if (fileCaseModel != null) {
            // the task with the same file name and url has been exist.

            // whether the another task with the same file and url is downloading.
            if (FileDownloadHelper.inspectAndInflowDownloading(id, fileCaseModel,
                    threadPoolMonitor, false)) {
                //it has been post to upper layer the 'warn' message, so the current
                // task no need to continue download.
                database.remove(id);
                database.removeConnections(id);
                throw new DiscardSafely();
            }

            final List<ConnectionModel> connectionModelList = database
                    .findConnectionModel(fileCaseId);

            // the another task with the same file name and url is paused
            database.remove(fileCaseId);
            database.removeConnections(fileCaseId);
            FileDownloadUtils.deleteTargetFile(model.getTargetFilePath());

            if (FileDownloadUtils.isBreakpointAvailable(fileCaseId, fileCaseModel)) {
                model.setSoFar(fileCaseModel.getSoFar());
                model.setTotal(fileCaseModel.getTotal());
                model.setETag(fileCaseModel.getETag());
                model.setConnectionCount(fileCaseModel.getConnectionCount());
                database.update(model);

                // re connect to resume from breakpoint.
                if (connectionModelList != null) {
                    for (ConnectionModel connectionModel : connectionModelList) {
                        connectionModel.setId(id);
                        database.insertConnectionModel(connectionModel);
                    }
                }

                // retry
                throw new RetryDirectly();
            }
        }

        // whether there is an another running task with the same target-file-path.
        if (FileDownloadHelper.inspectAndInflowConflictPath(id, model.getSoFar(),
                model.getTempFilePath(),
                targetFilePath,
                threadPoolMonitor)) {
            database.remove(id);
            database.removeConnections(id);

            throw new DiscardSafely();
        }
    }
}