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Add query building API for the
$densify aggregation pipeline stage (#…
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32 changes: 32 additions & 0 deletions
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driver-core/src/main/com/mongodb/client/model/densify/DateDensifyRange.java
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| /* | ||
| * Copyright 2008-present MongoDB, Inc. | ||
| * | ||
| * 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, | ||
| * WITHOUNumber 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.mongodb.client.model.densify; | ||
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| import com.mongodb.annotations.Evolving; | ||
| import com.mongodb.client.model.MongoTimeUnit; | ||
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| import java.time.Instant; | ||
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| /** | ||
| * @see DensifyRange#fullRangeWithStep(long, MongoTimeUnit) | ||
| * @see DensifyRange#partitionRangeWithStep(long, MongoTimeUnit) | ||
| * @see DensifyRange#rangeWithStep(Instant, Instant, long, MongoTimeUnit) | ||
| * @mongodb.server.release 5.1 | ||
| * @since 4.7 | ||
| */ | ||
| @Evolving | ||
| public interface DateDensifyRange extends DensifyRange { | ||
| } |
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driver-core/src/main/com/mongodb/client/model/densify/DensifyConstructibleBson.java
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| /* | ||
| * Copyright 2008-present MongoDB, Inc. | ||
| * | ||
| * 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.mongodb.client.model.densify; | ||
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| import com.mongodb.internal.client.model.AbstractConstructibleBson; | ||
| import org.bson.Document; | ||
| import org.bson.conversions.Bson; | ||
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| import static com.mongodb.assertions.Assertions.notNull; | ||
| import static com.mongodb.internal.client.model.Util.sizeAtLeast; | ||
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| final class DensifyConstructibleBson extends AbstractConstructibleBson<DensifyConstructibleBson> implements | ||
| NumberDensifyRange, DateDensifyRange, | ||
| DensifyOptions { | ||
| static final DensifyConstructibleBson EMPTY_IMMUTABLE = new DensifyConstructibleBson(AbstractConstructibleBson.EMPTY_IMMUTABLE); | ||
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| DensifyConstructibleBson(final Bson base) { | ||
| super(base); | ||
| } | ||
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| private DensifyConstructibleBson(final Bson base, final Document appended) { | ||
| super(base, appended); | ||
| } | ||
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| @Override | ||
| protected DensifyConstructibleBson newSelf(final Bson base, final Document appended) { | ||
| return new DensifyConstructibleBson(base, appended); | ||
| } | ||
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| @Override | ||
| public DensifyOptions partitionByFields(final Iterable<String> fields) { | ||
| notNull("partitionByFields", fields); | ||
| return newMutated(doc -> { | ||
| if (sizeAtLeast(fields, 1)) { | ||
| doc.append("partitionByFields", fields); | ||
| } else { | ||
| doc.remove("partitionByFields"); | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public DensifyOptions option(final String name, final Object value) { | ||
| return newAppended(notNull("name", name), notNull("value", value)); | ||
| } | ||
| } |
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driver-core/src/main/com/mongodb/client/model/densify/DensifyOptions.java
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| /* | ||
| * Copyright 2008-present MongoDB, Inc. | ||
| * | ||
| * 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.mongodb.client.model.densify; | ||
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| import com.mongodb.annotations.Evolving; | ||
| import com.mongodb.client.model.Aggregates; | ||
| import com.mongodb.lang.Nullable; | ||
| import org.bson.conversions.Bson; | ||
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| import static java.util.Arrays.asList; | ||
| import static java.util.Collections.emptyList; | ||
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| /** | ||
| * Represents optional fields of the {@code $densify} pipeline stage of an aggregation pipeline. | ||
| * | ||
| * @see Aggregates#densify(String, DensifyRange, DensifyOptions) | ||
| * @see Aggregates#densify(String, DensifyRange) | ||
| * @mongodb.server.release 5.1 | ||
| * @since 4.7 | ||
| */ | ||
| @Evolving | ||
| public interface DensifyOptions extends Bson { | ||
| /** | ||
| * Creates a new {@link DensifyOptions} with the specified {@code fields} to partition by. | ||
| * | ||
| * @param fields The fields to partition by. | ||
| * If no fields are specified, then the whole sequence is considered to be a single partition. | ||
| * @return A new {@link DensifyOptions}. | ||
| * @mongodb.driver.manual core/document/#dot-notation Dot notation | ||
| */ | ||
| default DensifyOptions partitionByFields(@Nullable final String... fields) { | ||
| return partitionByFields(fields == null ? emptyList() : asList(fields)); | ||
| } | ||
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| /** | ||
| * Creates a new {@link DensifyOptions} with the specified {@code fields} to partition by. | ||
| * | ||
| * @param fields The fields to partition by. | ||
| * If no fields are specified, then the whole sequence is considered to be a single partition. | ||
| * @return A new {@link DensifyOptions}. | ||
| * @mongodb.driver.manual core/document/#dot-notation Dot notation | ||
| */ | ||
| DensifyOptions partitionByFields(Iterable<String> fields); | ||
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| /** | ||
| * Creates a new {@link DensifyOptions} with the specified option in situations when there is no builder method | ||
| * that better satisfies your needs. | ||
| * This method cannot be used to validate the syntax. | ||
| * <p> | ||
| * <i>Example</i><br> | ||
| * The following code creates two functionally equivalent {@link DensifyOptions} objects, | ||
| * though they may not be {@linkplain Object#equals(Object) equal}. | ||
| * <pre>{@code | ||
| * DensifyOptions options1 = DensifyOptions.densifyOptions() | ||
| * .partitionByFields("fieldName"); | ||
| * DensifyOptions options2 = DensifyOptions.densifyOptions() | ||
| * .option("partitionByFields", Collections.singleton("fieldName")); | ||
| * }</pre> | ||
| * | ||
| * @param name The option name. | ||
| * @param value The option value. | ||
| * @return A new {@link DensifyOptions}. | ||
| */ | ||
| DensifyOptions option(String name, Object value); | ||
|
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| /** | ||
| * Returns {@link DensifyOptions} that represents server defaults. | ||
| * | ||
| * @return {@link DensifyOptions} that represents server defaults. | ||
| */ | ||
| static DensifyOptions densifyOptions() { | ||
| return DensifyConstructibleBson.EMPTY_IMMUTABLE; | ||
| } | ||
| } |
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