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96 changes: 96 additions & 0 deletions
96
driver-core/src/main/com/mongodb/client/model/fill/FillComputation.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.fill; | ||
|
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| import com.mongodb.annotations.Evolving; | ||
| import com.mongodb.client.model.Aggregates; | ||
| import com.mongodb.client.model.WindowedComputations; | ||
| import org.bson.Document; | ||
| import org.bson.conversions.Bson; | ||
|
|
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| import static com.mongodb.assertions.Assertions.notNull; | ||
|
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| /** | ||
| * The core part of the {@code $fill} pipeline stage of an aggregation pipeline. | ||
| * A pair of an expression/method and a path to a field to be filled with evaluation results of the expression/method. | ||
| * | ||
| * @see Aggregates#fill(FillOptions, Iterable) | ||
| * @see Aggregates#fill(FillOptions, FillComputation, FillComputation...) | ||
| * @mongodb.server.release 5.3 | ||
| * @since 4.7 | ||
| */ | ||
| @Evolving | ||
| public interface FillComputation extends Bson { | ||
| /** | ||
| * Returns a {@link FillComputation} that uses the specified {@code expression}. | ||
| * | ||
| * @param field The field to fill. | ||
| * @param expression The expression. | ||
| * @param <TExpression> The {@code expression} type. | ||
| * @return The requested {@link FillComputation}. | ||
| * @mongodb.driver.manual core/document/#dot-notation Dot notation | ||
| */ | ||
| static <TExpression> ValueFillComputation value(final String field, TExpression expression) { | ||
| return new FillConstructibleBsonElement(notNull("field", field), | ||
| new Document("value", (notNull("expression", expression)))); | ||
| } | ||
|
|
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| /** | ||
| * Returns a {@link FillComputation} that uses the {@link WindowedComputations#locf(String, Object) locf} method. | ||
| * | ||
| * @param field The field to fill. | ||
| * @return The requested {@link FillComputation}. | ||
| * @mongodb.driver.manual core/document/#dot-notation Dot notation | ||
| */ | ||
| static LocfFillComputation locf(final String field) { | ||
| return new FillConstructibleBsonElement(notNull("field", field), | ||
| new Document("method", "locf")); | ||
| } | ||
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| /** | ||
| * Returns a {@link FillComputation} that uses the {@link WindowedComputations#linearFill(String, Object) linear} method. | ||
| * <p> | ||
| * {@linkplain FillOptions#sortBy(Bson) Sorting} is required.</p> | ||
| * | ||
| * @param field The field to fill. | ||
| * @return The requested {@link FillComputation}. | ||
| * @mongodb.driver.manual core/document/#dot-notation Dot notation | ||
| */ | ||
| static LinearFillComputation linear(final String field) { | ||
| return new FillConstructibleBsonElement(notNull("field", field), | ||
| new Document("method", "linear")); | ||
| } | ||
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| /** | ||
| * Creates a {@link FillComputation} from a {@link Bson} 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 FillComputation}s, | ||
| * though they may not be {@linkplain Object#equals(Object) equal}. | ||
| * <pre>{@code | ||
| * FillComputation field1 = FillComputation.locf("fieldName"); | ||
| * FillComputation field2 = FillComputation.of(new Document("fieldName", new Document("method", "locf"))); | ||
| * }</pre> | ||
| * | ||
| * @param fill A {@link Bson} representing the required {@link FillComputation}. | ||
| * @return The requested {@link FillComputation}. | ||
| */ | ||
| static FillComputation of(final Bson fill) { | ||
| return new FillConstructibleBsonElement(notNull("fill", fill)); | ||
| } | ||
| } |
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70
driver-core/src/main/com/mongodb/client/model/fill/FillConstructibleBson.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.fill; | ||
|
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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 FillConstructibleBson extends AbstractConstructibleBson<FillConstructibleBson> implements FillOptions { | ||
| static final FillConstructibleBson EMPTY_IMMUTABLE = new FillConstructibleBson(AbstractConstructibleBson.EMPTY_IMMUTABLE); | ||
|
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| FillConstructibleBson(final Bson base) { | ||
| super(base); | ||
| } | ||
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| private FillConstructibleBson(final Bson base, final Document appended) { | ||
| super(base, appended); | ||
| } | ||
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| @Override | ||
| protected FillConstructibleBson newSelf(final Bson base, final Document appended) { | ||
| return new FillConstructibleBson(base, appended); | ||
| } | ||
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| @Override | ||
| public <TExpression> FillOptions partitionBy(final TExpression partitionBy) { | ||
| return newMutated(doc -> { | ||
| doc.remove("partitionByFields"); | ||
| doc.append("partitionBy", notNull("partitionBy", partitionBy)); | ||
| }); | ||
| } | ||
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| @Override | ||
| public FillOptions partitionByFields(final Iterable<String> partitionByFields) { | ||
| return newMutated(doc -> { | ||
| doc.remove("partitionBy"); | ||
| if (sizeAtLeast(partitionByFields, 1)) { | ||
| doc.append("partitionByFields", notNull("partitionByFields", partitionByFields)); | ||
| } else { | ||
| doc.remove("partitionByFields"); | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public FillOptions sortBy(final Bson sortBy) { | ||
| return newAppended("sortBy", notNull("sortBy", sortBy)); | ||
| } | ||
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| @Override | ||
| public FillOptions option(final String name, final Object value) { | ||
| return newAppended(notNull("name", name), notNull("value", value)); | ||
| } | ||
| } |
39 changes: 39 additions & 0 deletions
39
driver-core/src/main/com/mongodb/client/model/fill/FillConstructibleBsonElement.java
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| @@ -0,0 +1,39 @@ | ||
| /* | ||
| * 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.fill; | ||
|
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| import com.mongodb.internal.client.model.AbstractConstructibleBsonElement; | ||
| import org.bson.conversions.Bson; | ||
|
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| final class FillConstructibleBsonElement extends AbstractConstructibleBsonElement<FillConstructibleBsonElement> implements | ||
| ValueFillComputation, LocfFillComputation, LinearFillComputation { | ||
| FillConstructibleBsonElement(final String name, final Bson value) { | ||
| super(name, value); | ||
| } | ||
|
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| FillConstructibleBsonElement(final Bson baseElement) { | ||
| super(baseElement); | ||
| } | ||
|
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| private FillConstructibleBsonElement(final Bson baseElement, final Bson appendedElementValue) { | ||
| super(baseElement, appendedElementValue); | ||
| } | ||
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| @Override | ||
| protected FillConstructibleBsonElement newSelf(final Bson baseElement, final Bson appendedElementValue) { | ||
| return new FillConstructibleBsonElement(baseElement, appendedElementValue); | ||
| } | ||
| } |
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