public void UpdateLastSyncCount(string identityId, string datasetName, long lastSyncCount)
{
lock (sqlite_lock)
{
SQLiteStatement stmt = null;
try
{
stmt = db.Prepare(
DatasetColumns.BuildUpdate(
new string[] {
DatasetColumns.LAST_SYNC_COUNT,
DatasetColumns.LAST_SYNC_TIMESTAMP
},
RecordColumns.IDENTITY_ID + " = @whereIdentityId AND " +
RecordColumns.DATASET_NAME + " = @whereDatasetName"
));
stmt.BindInt(1, lastSyncCount);
stmt.BindDateTime(2, DateTime.Now);
stmt.BindText(3, identityId);
stmt.BindText(4, datasetName);
stmt.Step();
}
finally
{
stmt.FinalizeStm();
}
}
}
public List <Record> GetModifiedRecords(string identityId, string datasetName)
{
lock (sqlite_lock)
{
List <Record> records = new List <Record>();
SQLiteStatement stmt = null;
try
{
stmt = db.Prepare(
RecordColumns.BuildQuery(
RecordColumns.IDENTITY_ID + " = @whereIdentityId AND " +
RecordColumns.DATASET_NAME + " = @whereDatasetName AND " +
RecordColumns.MODIFIED + " = @whereModified"
));
stmt.BindText(1, identityId);
stmt.BindText(2, datasetName);
stmt.BindInt(3, 1);
while (stmt.Read())
{
records.Add(this.SqliteStmtToRecord(stmt));
}
}
finally
{
stmt.FinalizeStm();
}
return(records);
}
}
private bool UpdateDatasetMetadataInternal(string identityId, DatasetMetadata metadata)
{
lock (sqlite_lock)
{
DatasetMetadata local = this.GetMetadataInternal(identityId, metadata.DatasetName);
SQLiteStatement stmt = null;
try
{
if (local == null)
{
stmt = db.Prepare(DatasetColumns.BuildInsert());
stmt.BindText(1, identityId);
stmt.BindText(2, metadata.DatasetName);
stmt.BindDateTime(3, metadata.CreationDate);
stmt.BindDateTime(4, metadata.LastModifiedDate);
stmt.BindInt(5, metadata.RecordCount);
stmt.BindInt(6, metadata.StorageSizeBytes);
stmt.BindInt(7, 0);
stmt.BindInt(8, 0);
stmt.BindText(9, null);
stmt.Step();
}
else
{
stmt = db.Prepare(
DatasetColumns.BuildUpdate(
new string[] {
DatasetColumns.DATASET_NAME,
DatasetColumns.CREATION_TIMESTAMP,
DatasetColumns.LAST_MODIFIED_TIMESTAMP,
DatasetColumns.LAST_MODIFIED_BY,
DatasetColumns.RECORD_COUNT,
DatasetColumns.STORAGE_SIZE_BYTES
},
DatasetColumns.IDENTITY_ID + " = @whereIdentityId AND " +
DatasetColumns.DATASET_NAME + " = @whereDatasetName"
));
stmt.BindText(1, metadata.DatasetName);
stmt.BindDateTime(2, metadata.CreationDate);
stmt.BindDateTime(3, metadata.LastModifiedDate);
stmt.BindText(4, metadata.LastModifiedBy);
stmt.BindInt(5, metadata.RecordCount);
stmt.BindInt(6, metadata.StorageSizeBytes);
stmt.BindText(7, identityId);
stmt.BindText(8, metadata.DatasetName);
stmt.Step();
}
return(true);
}
finally
{
stmt.FinalizeStm();
}
}
}
public void DeleteDataset(string identityId, string datasetName)
{
lock (sqlite_lock)
{
SQLiteStatement stmt = null;
try
{
stmt = db.Prepare(
RecordColumns.BuildDelete(
RecordColumns.IDENTITY_ID + " = @whereIdentityId AND " +
RecordColumns.DATASET_NAME + " = @whereDatasetName"
));
stmt.BindText(1, identityId);
stmt.BindText(2, datasetName);
stmt.Step();
stmt.FinalizeStm();
stmt = db.Prepare(
DatasetColumns.BuildUpdate(
new string[] {
DatasetColumns.LAST_MODIFIED_TIMESTAMP,
DatasetColumns.LAST_SYNC_COUNT
},
DatasetColumns.IDENTITY_ID + " = @whereIdentityId AND " +
DatasetColumns.DATASET_NAME + " = @whereDatasetName"
));
stmt.BindDateTime(1, DateTime.Now);
stmt.BindInt(2, -1);
stmt.BindText(3, identityId);
stmt.BindText(4, datasetName);
stmt.Step();
}
finally
{
stmt.FinalizeStm();
}
}
}
private bool PutValueInternal(string identityId, string datasetName, string key, string value)
{
lock (sqlite_lock)
{
Record record = this.GetRecord(identityId, datasetName, key);
if (record != null && string.Equals(record.Value, value))
{
return(true);
}
SQLiteStatement stmt = null;
try
{
if (record == null)
{
stmt = db.Prepare(RecordColumns.BuildInsert());
stmt.BindText(1, identityId);
stmt.BindText(2, datasetName);
stmt.BindText(3, key);
stmt.BindText(4, value);
stmt.BindInt(5, 0);
stmt.BindDateTime(6, DateTime.Now);
stmt.BindText(7, "");
stmt.BindInt(8, 0);
stmt.BindInt(9, 1);
stmt.Step();
return(true);
}
else
{
stmt = db.Prepare(
RecordColumns.BuildUpdate(
new string[] {
RecordColumns.IDENTITY_ID, RecordColumns.DATASET_NAME, RecordColumns.KEY,
RecordColumns.VALUE, RecordColumns.MODIFIED, RecordColumns.SYNC_COUNT,
RecordColumns.DEVICE_LAST_MODIFIED_TIMESTAMP
},
RecordColumns.IDENTITY_ID + " = @whereIdentityId AND " +
RecordColumns.DATASET_NAME + " = @whereDatasetName AND " +
RecordColumns.KEY + " = @whereKey "
));
stmt.BindText(1, identityId);
stmt.BindText(2, datasetName);
stmt.BindText(3, key);
stmt.BindText(4, value);
stmt.BindInt(5, 1);
stmt.BindInt(6, record.SyncCount);
stmt.BindDateTime(7, DateTime.Now);
stmt.BindText(8, identityId);
stmt.BindText(9, datasetName);
stmt.BindText(10, key);
stmt.Step();
return(true);
}
}
finally
{
stmt.FinalizeStm();
}
}
}
private void UpdateOrInsertRecord(string identityId, string datasetName, Record record)
{
lock (sqlite_lock)
{
SQLiteStatement stmt = null;
try
{
stmt = db.Prepare(
RecordColumns.BuildQuery(
RecordColumns.IDENTITY_ID + " = @whereIdentityId AND " +
RecordColumns.DATASET_NAME + " = @whereDatasetName AND " +
RecordColumns.KEY + " = @whereKey "
));
stmt.BindText(1, identityId);
stmt.BindText(2, datasetName);
stmt.BindText(3, record.Key);
bool recordsFound = false;
while (stmt.Read())
{
recordsFound = true;
}
stmt.FinalizeStm();
if (recordsFound)
{
stmt = db.Prepare(
RecordColumns.BuildUpdate(
new string[] {
RecordColumns.VALUE,
RecordColumns.SYNC_COUNT,
RecordColumns.MODIFIED,
RecordColumns.LAST_MODIFIED_TIMESTAMP,
RecordColumns.LAST_MODIFIED_BY,
RecordColumns.DEVICE_LAST_MODIFIED_TIMESTAMP
},
RecordColumns.IDENTITY_ID + " = @whereIdentityId AND " +
RecordColumns.DATASET_NAME + " = @whereDatasetName AND " +
RecordColumns.KEY + " = @whereKey "
));
stmt.BindText(1, record.Value);
stmt.BindInt(2, record.SyncCount);
stmt.BindInt(3, record.IsModified ? 1 : 0);
stmt.BindDateTime(4, record.LastModifiedDate);
stmt.BindText(5, record.LastModifiedBy);
stmt.BindDateTime(6, record.DeviceLastModifiedDate);
stmt.BindText(7, identityId);
stmt.BindText(8, datasetName);
stmt.BindText(9, record.Key);
stmt.Step();
}
else
{
stmt = db.Prepare(RecordColumns.BuildInsert());
stmt.BindText(1, identityId);
stmt.BindText(2, datasetName);
stmt.BindText(3, record.Key);
stmt.BindText(4, record.Value);
stmt.BindInt(5, record.SyncCount);
stmt.BindDateTime(6, record.LastModifiedDate);
stmt.BindText(7, record.LastModifiedBy);
stmt.BindDateTime(8, record.DeviceLastModifiedDate);
stmt.BindInt(9, record.IsModified ? 1 : 0);
stmt.Step();
}
}
finally
{
stmt.FinalizeStm();
}
}
}