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com.google.cloud.bigquery.WriteChannelConfiguration Maven / Gradle / Ivy

/*
 * Copyright 2016 Google LLC
 *
 * 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.google.cloud.bigquery;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.api.client.util.Strings;
import com.google.api.services.bigquery.model.JobConfigurationLoad;
import com.google.cloud.bigquery.JobInfo.CreateDisposition;
import com.google.cloud.bigquery.JobInfo.SchemaUpdateOption;
import com.google.cloud.bigquery.JobInfo.WriteDisposition;
import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableList;
import com.google.common.primitives.Ints;
import java.io.Serializable;
import java.util.List;
import java.util.Map;
import java.util.Objects;

/**
 * Google BigQuery Configuration for a load operation. A load configuration can be used to load data
 * into a table with a {@link com.google.cloud.WriteChannel} ({@link
 * BigQuery#writer(WriteChannelConfiguration)}).
 */
public final class WriteChannelConfiguration implements LoadConfiguration, Serializable {

  private static final long serialVersionUID = 470267591917413578L;

  private final TableId destinationTable;
  private final CreateDisposition createDisposition;
  private final WriteDisposition writeDisposition;
  private final FormatOptions formatOptions;
  private final String nullMarker;
  private final Integer maxBadRecords;
  private final Schema schema;
  private final Boolean ignoreUnknownValues;
  private final List schemaUpdateOptions;
  private final Boolean autodetect;
  private final EncryptionConfiguration destinationEncryptionConfiguration;
  private final TimePartitioning timePartitioning;
  private final Clustering clustering;
  private final Boolean useAvroLogicalTypes;
  private final Map labels;

  public static final class Builder implements LoadConfiguration.Builder {

    private TableId destinationTable;
    private CreateDisposition createDisposition;
    private WriteDisposition writeDisposition;
    private FormatOptions formatOptions;
    private String nullMarker;
    private Integer maxBadRecords;
    private Schema schema;
    private Boolean ignoreUnknownValues;
    private List schemaUpdateOptions;
    private Boolean autodetect;
    private EncryptionConfiguration destinationEncryptionConfiguration;
    private TimePartitioning timePartitioning;
    private Clustering clustering;
    private Boolean useAvroLogicalTypes;
    private Map labels;

    private Builder() {}

    private Builder(WriteChannelConfiguration writeChannelConfiguration) {
      this.destinationTable = writeChannelConfiguration.destinationTable;
      this.createDisposition = writeChannelConfiguration.createDisposition;
      this.writeDisposition = writeChannelConfiguration.writeDisposition;
      this.formatOptions = writeChannelConfiguration.formatOptions;
      this.nullMarker = writeChannelConfiguration.nullMarker;
      this.maxBadRecords = writeChannelConfiguration.maxBadRecords;
      this.schema = writeChannelConfiguration.schema;
      this.ignoreUnknownValues = writeChannelConfiguration.ignoreUnknownValues;
      this.schemaUpdateOptions = writeChannelConfiguration.schemaUpdateOptions;
      this.autodetect = writeChannelConfiguration.autodetect;
      this.destinationEncryptionConfiguration =
          writeChannelConfiguration.destinationEncryptionConfiguration;
      this.timePartitioning = writeChannelConfiguration.timePartitioning;
      this.clustering = writeChannelConfiguration.clustering;
      this.useAvroLogicalTypes = writeChannelConfiguration.useAvroLogicalTypes;
      this.labels = writeChannelConfiguration.labels;
    }

    private Builder(com.google.api.services.bigquery.model.JobConfiguration configurationPb) {
      JobConfigurationLoad loadConfigurationPb = configurationPb.getLoad();
      this.destinationTable = TableId.fromPb(loadConfigurationPb.getDestinationTable());
      if (loadConfigurationPb.getCreateDisposition() != null) {
        this.createDisposition =
            CreateDisposition.valueOf(loadConfigurationPb.getCreateDisposition());
      }
      if (loadConfigurationPb.getWriteDisposition() != null) {
        this.writeDisposition = WriteDisposition.valueOf(loadConfigurationPb.getWriteDisposition());
      }
      if (loadConfigurationPb.getSourceFormat() != null) {
        this.formatOptions = FormatOptions.of(loadConfigurationPb.getSourceFormat());
      }
      if (loadConfigurationPb.getNullMarker() != null) {
        this.nullMarker = loadConfigurationPb.getNullMarker();
      }
      if (loadConfigurationPb.getAllowJaggedRows() != null
          || loadConfigurationPb.getAllowQuotedNewlines() != null
          || loadConfigurationPb.getEncoding() != null
          || loadConfigurationPb.getFieldDelimiter() != null
          || loadConfigurationPb.getQuote() != null
          || loadConfigurationPb.getSkipLeadingRows() != null) {
        CsvOptions.Builder builder =
            CsvOptions.newBuilder()
                .setEncoding(loadConfigurationPb.getEncoding())
                .setFieldDelimiter(loadConfigurationPb.getFieldDelimiter())
                .setQuote(loadConfigurationPb.getQuote());
        if (loadConfigurationPb.getAllowJaggedRows() != null) {
          builder.setAllowJaggedRows(loadConfigurationPb.getAllowJaggedRows());
        }
        if (loadConfigurationPb.getAllowQuotedNewlines() != null) {
          builder.setAllowQuotedNewLines(loadConfigurationPb.getAllowQuotedNewlines());
        }
        if (loadConfigurationPb.getSkipLeadingRows() != null) {
          builder.setSkipLeadingRows(loadConfigurationPb.getSkipLeadingRows());
        }
        this.formatOptions = builder.build();
      }
      this.maxBadRecords = loadConfigurationPb.getMaxBadRecords();
      if (loadConfigurationPb.getSchema() != null) {
        this.schema = Schema.fromPb(loadConfigurationPb.getSchema());
      }
      this.ignoreUnknownValues = loadConfigurationPb.getIgnoreUnknownValues();
      if (loadConfigurationPb.getProjectionFields() != null) {
        this.formatOptions =
            DatastoreBackupOptions.newBuilder()
                .setProjectionFields(loadConfigurationPb.getProjectionFields())
                .build();
      }
      if (loadConfigurationPb.getSchemaUpdateOptions() != null) {
        ImmutableList.Builder schemaUpdateOptionsBuilder =
            new ImmutableList.Builder<>();
        for (String rawSchemaUpdateOption : loadConfigurationPb.getSchemaUpdateOptions()) {
          schemaUpdateOptionsBuilder.add(JobInfo.SchemaUpdateOption.valueOf(rawSchemaUpdateOption));
        }
        this.schemaUpdateOptions = schemaUpdateOptionsBuilder.build();
      }
      this.autodetect = loadConfigurationPb.getAutodetect();
      if (loadConfigurationPb.getDestinationEncryptionConfiguration() != null) {
        this.destinationEncryptionConfiguration =
            new EncryptionConfiguration.Builder(
                    configurationPb.getLoad().getDestinationEncryptionConfiguration())
                .build();
      }
      if (loadConfigurationPb.getTimePartitioning() != null) {
        this.timePartitioning = TimePartitioning.fromPb(loadConfigurationPb.getTimePartitioning());
      }
      if (loadConfigurationPb.getClustering() != null) {
        this.clustering = Clustering.fromPb(loadConfigurationPb.getClustering());
      }
      this.useAvroLogicalTypes = loadConfigurationPb.getUseAvroLogicalTypes();
      if (configurationPb.getLabels() != null) {
        this.labels = configurationPb.getLabels();
      }
    }

    @Override
    public Builder setDestinationTable(TableId destinationTable) {
      this.destinationTable = destinationTable;
      return this;
    }

    @Override
    public LoadConfiguration.Builder setDestinationEncryptionConfiguration(
        EncryptionConfiguration encryptionConfiguration) {
      this.destinationEncryptionConfiguration = encryptionConfiguration;
      return this;
    }

    @Override
    public Builder setCreateDisposition(CreateDisposition createDisposition) {
      this.createDisposition = createDisposition;
      return this;
    }

    @Override
    public Builder setWriteDisposition(WriteDisposition writeDisposition) {
      this.writeDisposition = writeDisposition;
      return this;
    }

    @Override
    public Builder setFormatOptions(FormatOptions formatOptions) {
      this.formatOptions = formatOptions;
      return this;
    }

    @Override
    public Builder setNullMarker(String nullMarker) {
      this.nullMarker = nullMarker;
      return this;
    }

    @Override
    public Builder setMaxBadRecords(Integer maxBadRecords) {
      this.maxBadRecords = maxBadRecords;
      return this;
    }

    @Override
    public Builder setSchema(Schema schema) {
      this.schema = schema;
      return this;
    }

    @Override
    public Builder setIgnoreUnknownValues(Boolean ignoreUnknownValues) {
      this.ignoreUnknownValues = ignoreUnknownValues;
      return this;
    }

    @Override
    public Builder setSchemaUpdateOptions(List schemaUpdateOptions) {
      this.schemaUpdateOptions =
          schemaUpdateOptions != null ? ImmutableList.copyOf(schemaUpdateOptions) : null;
      return this;
    }

    @Override
    public Builder setAutodetect(Boolean autodetect) {
      this.autodetect = autodetect;
      return this;
    }

    @Override
    public Builder setTimePartitioning(TimePartitioning timePartitioning) {
      this.timePartitioning = timePartitioning;
      return this;
    }

    @Override
    public Builder setClustering(Clustering clustering) {
      this.clustering = clustering;
      return this;
    }

    @Override
    public Builder setUseAvroLogicalTypes(Boolean useAvroLogicalTypes) {
      this.useAvroLogicalTypes = useAvroLogicalTypes;
      return this;
    }

    public Builder setLabels(Map labels) {
      this.labels = labels;
      return this;
    }

    @Override
    public WriteChannelConfiguration build() {
      return new WriteChannelConfiguration(this);
    }
  }

  protected WriteChannelConfiguration(Builder builder) {
    this.destinationTable = checkNotNull(builder.destinationTable);
    this.createDisposition = builder.createDisposition;
    this.writeDisposition = builder.writeDisposition;
    this.formatOptions = builder.formatOptions;
    this.nullMarker = builder.nullMarker;
    this.maxBadRecords = builder.maxBadRecords;
    this.schema = builder.schema;
    this.ignoreUnknownValues = builder.ignoreUnknownValues;
    this.schemaUpdateOptions = builder.schemaUpdateOptions;
    this.autodetect = builder.autodetect;
    this.destinationEncryptionConfiguration = builder.destinationEncryptionConfiguration;
    this.timePartitioning = builder.timePartitioning;
    this.clustering = builder.clustering;
    this.useAvroLogicalTypes = builder.useAvroLogicalTypes;
    this.labels = builder.labels;
  }

  @Override
  public TableId getDestinationTable() {
    return destinationTable;
  }

  @Override
  public EncryptionConfiguration getDestinationEncryptionConfiguration() {
    return destinationEncryptionConfiguration;
  }

  @Override
  public CreateDisposition getCreateDisposition() {
    return this.createDisposition;
  }

  @Override
  public WriteDisposition getWriteDisposition() {
    return writeDisposition;
  }

  @Override
  public String getNullMarker() {
    return nullMarker;
  }

  @Override
  public CsvOptions getCsvOptions() {
    return formatOptions instanceof CsvOptions ? (CsvOptions) formatOptions : null;
  }

  @Override
  public Integer getMaxBadRecords() {
    return maxBadRecords;
  }

  @Override
  public Schema getSchema() {
    return schema;
  }

  @Override
  public String getFormat() {
    return formatOptions != null ? formatOptions.getType() : null;
  }

  @Override
  public Boolean ignoreUnknownValues() {
    return ignoreUnknownValues;
  }

  @Override
  public DatastoreBackupOptions getDatastoreBackupOptions() {
    return formatOptions instanceof DatastoreBackupOptions
        ? (DatastoreBackupOptions) formatOptions
        : null;
  }

  @Override
  public List getSchemaUpdateOptions() {
    return schemaUpdateOptions;
  }

  @Override
  public Boolean getAutodetect() {
    return autodetect;
  }

  @Override
  public TimePartitioning getTimePartitioning() {
    return timePartitioning;
  }

  @Override
  public Clustering getClustering() {
    return clustering;
  }

  @Override
  public Boolean getUseAvroLogicalTypes() {
    return useAvroLogicalTypes;
  }

  public Map getLabels() {
    return labels;
  }

  @Override
  public Builder toBuilder() {
    return new Builder(this);
  }

  MoreObjects.ToStringHelper toStringHelper() {
    return MoreObjects.toStringHelper(this)
        .add("destinationTable", destinationTable)
        .add("destinationEncryptionConfiguration", destinationEncryptionConfiguration)
        .add("createDisposition", createDisposition)
        .add("writeDisposition", writeDisposition)
        .add("formatOptions", formatOptions)
        .add("nullMarker", nullMarker)
        .add("maxBadRecords", maxBadRecords)
        .add("schema", schema)
        .add("ignoreUnknownValue", ignoreUnknownValues)
        .add("schemaUpdateOptions", schemaUpdateOptions)
        .add("autodetect", autodetect)
        .add("timePartitioning", timePartitioning)
        .add("clustering", clustering)
        .add("useAvroLogicalTypes", useAvroLogicalTypes)
        .add("labels", labels);
  }

  @Override
  public String toString() {
    return toStringHelper().toString();
  }

  @Override
  public boolean equals(Object obj) {
    return obj == this
        || obj instanceof WriteChannelConfiguration
            && Objects.equals(toPb(), ((WriteChannelConfiguration) obj).toPb());
  }

  @Override
  public int hashCode() {
    return Objects.hash(
        destinationTable,
        createDisposition,
        writeDisposition,
        formatOptions,
        nullMarker,
        maxBadRecords,
        schema,
        ignoreUnknownValues,
        schemaUpdateOptions,
        autodetect,
        timePartitioning,
        clustering,
        useAvroLogicalTypes,
        labels);
  }

  WriteChannelConfiguration setProjectId(String projectId) {
    if (Strings.isNullOrEmpty(getDestinationTable().getProject())) {
      return toBuilder().setDestinationTable(getDestinationTable().setProjectId(projectId)).build();
    }
    return this;
  }

  com.google.api.services.bigquery.model.JobConfiguration toPb() {
    com.google.api.services.bigquery.model.JobConfiguration jobConfiguration =
        new com.google.api.services.bigquery.model.JobConfiguration();
    JobConfigurationLoad loadConfigurationPb = new JobConfigurationLoad();
    loadConfigurationPb.setDestinationTable(destinationTable.toPb());
    if (createDisposition != null) {
      loadConfigurationPb.setCreateDisposition(createDisposition.toString());
    }
    if (writeDisposition != null) {
      loadConfigurationPb.setWriteDisposition(writeDisposition.toString());
    }
    if (nullMarker != null) {
      loadConfigurationPb.setNullMarker(nullMarker);
    }
    if (getCsvOptions() != null) {
      CsvOptions csvOptions = getCsvOptions();
      loadConfigurationPb
          .setFieldDelimiter(csvOptions.getFieldDelimiter())
          .setAllowJaggedRows(csvOptions.allowJaggedRows())
          .setAllowQuotedNewlines(csvOptions.allowQuotedNewLines())
          .setEncoding(csvOptions.getEncoding())
          .setQuote(csvOptions.getQuote());
      if (csvOptions.getSkipLeadingRows() != null) {
        // todo(mziccard) remove checked cast or comment when #1044 is closed
        loadConfigurationPb.setSkipLeadingRows(Ints.checkedCast(csvOptions.getSkipLeadingRows()));
      }
    }
    if (schema != null) {
      loadConfigurationPb.setSchema(schema.toPb());
    }
    if (formatOptions != null) {
      loadConfigurationPb.setSourceFormat(formatOptions.getType());
    }
    loadConfigurationPb.setMaxBadRecords(maxBadRecords);
    loadConfigurationPb.setIgnoreUnknownValues(ignoreUnknownValues);
    if (getDatastoreBackupOptions() != null) {
      DatastoreBackupOptions backupOptions = getDatastoreBackupOptions();
      loadConfigurationPb.setProjectionFields(backupOptions.getProjectionFields());
    }
    if (schemaUpdateOptions != null) {
      ImmutableList.Builder schemaUpdateOptionsBuilder = new ImmutableList.Builder<>();
      for (JobInfo.SchemaUpdateOption schemaUpdateOption : schemaUpdateOptions) {
        schemaUpdateOptionsBuilder.add(schemaUpdateOption.name());
      }
      loadConfigurationPb.setSchemaUpdateOptions(schemaUpdateOptionsBuilder.build());
    }
    loadConfigurationPb.setAutodetect(autodetect);
    if (destinationEncryptionConfiguration != null) {
      loadConfigurationPb.setDestinationEncryptionConfiguration(
          destinationEncryptionConfiguration.toPb());
    }
    if (timePartitioning != null) {
      loadConfigurationPb.setTimePartitioning(timePartitioning.toPb());
    }
    if (clustering != null) {
      loadConfigurationPb.setClustering(clustering.toPb());
    }
    loadConfigurationPb.setUseAvroLogicalTypes(useAvroLogicalTypes);
    if (labels != null) {
      jobConfiguration.setLabels(labels);
    }
    jobConfiguration.setLoad(loadConfigurationPb);
    return jobConfiguration;
  }

  static WriteChannelConfiguration fromPb(
      com.google.api.services.bigquery.model.JobConfiguration configurationPb) {
    return new Builder(configurationPb).build();
  }

  /** Creates a builder for a BigQuery Load Configuration given the destination table. */
  public static Builder newBuilder(TableId destinationTable) {
    return new Builder().setDestinationTable(destinationTable);
  }

  /** Creates a builder for a BigQuery Load Configuration given the destination table and format. */
  public static Builder newBuilder(TableId destinationTable, FormatOptions format) {
    return newBuilder(destinationTable).setFormatOptions(format);
  }

  /** Returns a BigQuery Load Configuration for the given destination table. */
  public static WriteChannelConfiguration of(TableId destinationTable) {
    return newBuilder(destinationTable).build();
  }

  /** Returns a BigQuery Load Configuration for the given destination table and format. */
  public static WriteChannelConfiguration of(TableId destinationTable, FormatOptions format) {
    return newBuilder(destinationTable).setFormatOptions(format).build();
  }
}