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The Adobe Experience Manager SDK
/*
* 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;
import org.bson.conversions.Bson;
import java.util.Collections;
import java.util.List;
/**
* Options to control the behavior of the $merge aggregation stage
*
* @mongodb.driver.manual reference/operator/aggregation/merge/ $merge stage
* @mongodb.server.release 4.2
* @see Aggregates#merge(String, MergeOptions)
* @see Aggregates#merge(com.mongodb.MongoNamespace, MergeOptions)
* @since 3.11
*
* @deprecated Usage of this API is not supported in AEM as a Cloud Service.
*/
@Deprecated(since = "2021-05-27")
public final class MergeOptions {
/**
* The behavior of $merge if a result document and an existing document in the collection have the same value for the specified on
* field(s).
*/
public enum WhenMatched {
/**
* Replace the existing document in the output collection with the matching results document.
*/
REPLACE,
/**
* Keep the existing document in the output collection.
*/
KEEP_EXISTING,
/**
* Merge the matching documents
*/
MERGE,
/**
* An aggregation pipeline to update the document in the collection.
*
* @see #whenMatchedPipeline(List)
*/
PIPELINE,
/**
* Stop and fail the aggregation operation. Any changes to the output collection from previous documents are not reverted.
*/
FAIL
}
/**
* The behavior of $merge if a result document does not match an existing document in the out collection.
*/
public enum WhenNotMatched {
/**
* Insert the document into the output collection.
*/
INSERT,
/**
* Discard the document; i.e. $merge does not insert the document into the output collection.
*/
DISCARD,
/**
* Stop and fail the aggregation operation. Any changes to the output collection from previous documents are not reverted.
*/
FAIL
}
private List uniqueIdentifier;
private WhenMatched whenMatched;
private List> variables;
private List whenMatchedPipeline;
private WhenNotMatched whenNotMatched;
/**
* Gets the fields that act as a unique identifier for a document. The identifier determine if a results document matches an
* already existing document in the output collection.
*
* @return the unique identifier
*/
public List getUniqueIdentifier() {
return uniqueIdentifier;
}
/**
* Sets the field that act as a unique identifier for a document. The identifier determine if a results document matches an
* already existing document in the output collection.
*
* @param uniqueIdentifier the unique identifier
* @return this
*/
public MergeOptions uniqueIdentifier(final String uniqueIdentifier) {
this.uniqueIdentifier = Collections.singletonList(uniqueIdentifier);
return this;
}
/**
* Sets the field that act as a unique identifier for a document. The identifier determine if a results document matches an
* already existing document in the output collection.
*
* @param uniqueIdentifier the unique identifier
* @return this
*/
public MergeOptions uniqueIdentifier(final List uniqueIdentifier) {
this.uniqueIdentifier = uniqueIdentifier;
return this;
}
/**
* Gets the behavior of $merge if a result document and an existing document in the collection have the same value for the specified
* on field(s).
*
* @return when matched
*/
public WhenMatched getWhenMatched() {
return whenMatched;
}
/**
* Sets the behavior of $merge if a result document and an existing document in the collection have the same value for the specified
* on field(s).
*
* @param whenMatched when matched
* @return this
*/
public MergeOptions whenMatched(final WhenMatched whenMatched) {
this.whenMatched = whenMatched;
return this;
}
/**
* Gets the variables accessible for use in the whenMatched pipeline
* @return the variables
*/
public List> getVariables() {
return variables;
}
/**
* Sets the variables accessible for use in the whenMatched pipeline.
*
* @param variables the variables
* @return this
*/
public MergeOptions variables(final List> variables) {
this.variables = variables;
return this;
}
/**
* Gets aggregation pipeline to update the document in the collection.
*
* @return when matched pipeline
* @see WhenMatched#PIPELINE
*/
public List getWhenMatchedPipeline() {
return whenMatchedPipeline;
}
/**
* Sets aggregation pipeline to update the document in the collection.
*
* @param whenMatchedPipeline when matched pipeline
* @return this
* @see WhenMatched#PIPELINE
*/
public MergeOptions whenMatchedPipeline(final List whenMatchedPipeline) {
this.whenMatchedPipeline = whenMatchedPipeline;
return this;
}
/**
* Gets the behavior of $merge if a result document does not match an existing document in the out collection.
*
* @return when not matched
*/
public WhenNotMatched getWhenNotMatched() {
return whenNotMatched;
}
/**
* Sets the behavior of $merge if a result document does not match an existing document in the out collection.
*
* @param whenNotMatched when not matched
* @return this
*/
public MergeOptions whenNotMatched(final WhenNotMatched whenNotMatched) {
this.whenNotMatched = whenNotMatched;
return this;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
MergeOptions that = (MergeOptions) o;
if (uniqueIdentifier != null ? !uniqueIdentifier.equals(that.uniqueIdentifier) : that.uniqueIdentifier != null) {
return false;
}
if (whenMatched != that.whenMatched) {
return false;
}
if (variables != null ? !variables.equals(that.variables) : that.variables != null) {
return false;
}
if (whenMatchedPipeline != null ? !whenMatchedPipeline.equals(that.whenMatchedPipeline) : that.whenMatchedPipeline != null) {
return false;
}
if (whenNotMatched != that.whenNotMatched) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = uniqueIdentifier != null ? uniqueIdentifier.hashCode() : 0;
result = 31 * result + (whenMatched != null ? whenMatched.hashCode() : 0);
result = 31 * result + (variables != null ? variables.hashCode() : 0);
result = 31 * result + (whenMatchedPipeline != null ? whenMatchedPipeline.hashCode() : 0);
result = 31 * result + (whenNotMatched != null ? whenNotMatched.hashCode() : 0);
return result;
}
@Override
public String toString() {
return "MergeOptions{" + "uniqueIdentifier=" + uniqueIdentifier + ", whenMatched=" + whenMatched + ", variables=" + variables + ", whenMatchedPipeline=" + whenMatchedPipeline + ", whenNotMatched=" + whenNotMatched + '}';
}
}
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