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CallableImporter.java
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CallableImporter.java
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/*
* Copyright 2018 The Data Transfer Project Authors.
*
* 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
*
* https://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 org.datatransferproject.transfer;
import com.google.common.base.Stopwatch;
import com.google.inject.Provider;
import org.datatransferproject.api.launcher.DtpInternalMetricRecorder;
import org.datatransferproject.spi.transfer.idempotentexecutor.IdempotentImportExecutor;
import org.datatransferproject.spi.transfer.provider.ImportResult;
import org.datatransferproject.spi.transfer.provider.Importer;
import org.datatransferproject.types.common.models.DataModel;
import org.datatransferproject.types.transfer.auth.AuthData;
import org.datatransferproject.types.transfer.errors.ErrorDetail;
import java.io.IOException;
import java.util.Collection;
import java.util.UUID;
import java.util.concurrent.Callable;
/**
* Callable wrapper around an {@link Importer}.
*/
public class CallableImporter implements Callable<ImportResult> {
private final Provider<Importer> importerProvider;
private final UUID jobId;
private final IdempotentImportExecutor idempotentImportExecutor;
private final AuthData authData;
private final DataModel data;
private final DtpInternalMetricRecorder metricRecorder;
public CallableImporter(
Provider<Importer> importerProvider,
UUID jobId,
IdempotentImportExecutor idempotentImportExecutor,
AuthData authData,
DataModel data,
DtpInternalMetricRecorder metricRecorder) {
this.importerProvider = importerProvider;
this.jobId = jobId;
this.idempotentImportExecutor = idempotentImportExecutor;
this.authData = authData;
this.data = data;
this.metricRecorder = metricRecorder;
}
@Override
public ImportResult call() throws Exception {
boolean success = false;
Stopwatch stopwatch = Stopwatch.createStarted();
try {
idempotentImportExecutor.resetRecentErrors();
ImportResult result = importerProvider.get()
.importItem(jobId, idempotentImportExecutor, authData, data);
Collection<ErrorDetail> errors = idempotentImportExecutor.getRecentErrors();
success = result.getType() == ImportResult.ResultType.OK && errors.isEmpty();
if (!success) {
throw new IOException(
"Problem with importer, forcing a retry, "
+ "first error: "
+ (errors.iterator().hasNext() ? errors.iterator().next().exception() : "none"));
}
result = result.copyWithCounts(data.getCounts());
return result;
} finally{
metricRecorder.importPageAttemptFinished(
JobMetadata.getDataType(),
JobMetadata.getImportService(),
success,
stopwatch.elapsed());
}
}
}