com.google.cloud.bigquery.StandardSQLField Maven / Gradle / Ivy
/*
* Copyright 2019 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 com.google.api.services.bigquery.model.StandardSqlField;
import com.google.auto.value.AutoValue;
import com.google.common.base.Function;
import java.io.Serializable;
import javax.annotation.Nullable;
/** A Google BigQuery SQL Field. */
@AutoValue
public abstract class StandardSQLField implements Serializable {
static final Function FROM_PB_FUNCTION =
new Function() {
@Override
public StandardSQLField apply(StandardSqlField pb) {
return StandardSQLField.fromPb(pb);
}
};
static final Function TO_PB_FUNCTION =
new Function() {
@Override
public StandardSqlField apply(StandardSQLField field) {
return field.toPb();
}
};
@AutoValue.Builder
public abstract static class Builder {
/** Sets the name of the field. */
public abstract Builder setName(String name);
/** Sets the data type of the field. */
public abstract Builder setDataType(StandardSQLDataType dataType);
/** Creates a {@code StandardSQLField} object. */
public abstract StandardSQLField build();
}
/** Returns the field name. */
@Nullable
public abstract String getName();
/** Returns the field's data type. */
public abstract StandardSQLDataType getDataType();
/** Returns a builder pre-populated using the current values of this field. */
public abstract Builder toBuilder();
/** Returns a builder for a {@code StandardSQLField} object. */
public static Builder newBuilder() {
return new AutoValue_StandardSQLField.Builder();
}
/** Returns a builder for a {@code StandardSQLField} object with the specified data type. */
public static Builder newBuilder(StandardSQLDataType dataType) {
return newBuilder().setDataType(dataType);
}
/**
* Returns a builder for a {@code StandardSQLField} object with the specified field name and data
* type.
*/
public static Builder newBuilder(String name, StandardSQLDataType dataType) {
return newBuilder().setName(name).setDataType(dataType);
}
StandardSqlField toPb() {
StandardSqlField fieldPb = new StandardSqlField();
fieldPb.setName(getName());
if (getDataType() != null) {
fieldPb.setType(getDataType().toPb());
}
return fieldPb;
}
static StandardSQLField fromPb(StandardSqlField fieldPb) {
Builder builder = newBuilder();
builder.setName(fieldPb.getName());
if (fieldPb.getType() != null) {
builder.setDataType(StandardSQLDataType.fromPb(fieldPb.getType()));
}
return builder.build();
}
}