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The MongoDB Java Driver uber-artifact, containing mongodb-driver, mongodb-driver-core, and bson
/*
* 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.operation;
import com.mongodb.WriteConcern;
import com.mongodb.async.SingleResultCallback;
import com.mongodb.binding.AsyncWriteBinding;
import com.mongodb.binding.WriteBinding;
import com.mongodb.client.model.Collation;
import com.mongodb.client.model.ValidationAction;
import com.mongodb.client.model.ValidationLevel;
import com.mongodb.connection.AsyncConnection;
import com.mongodb.connection.Connection;
import com.mongodb.connection.ConnectionDescription;
import com.mongodb.operation.OperationHelper.CallableWithConnection;
import org.bson.BsonBoolean;
import org.bson.BsonDocument;
import org.bson.BsonInt32;
import org.bson.BsonString;
import static com.mongodb.assertions.Assertions.notNull;
import static com.mongodb.internal.async.ErrorHandlingResultCallback.errorHandlingCallback;
import static com.mongodb.operation.CommandOperationHelper.executeCommand;
import static com.mongodb.operation.CommandOperationHelper.executeCommandAsync;
import static com.mongodb.operation.CommandOperationHelper.writeConcernErrorWriteTransformer;
import static com.mongodb.operation.DocumentHelper.putIfFalse;
import static com.mongodb.operation.DocumentHelper.putIfNotZero;
import static com.mongodb.operation.OperationHelper.LOGGER;
import static com.mongodb.operation.OperationHelper.releasingCallback;
import static com.mongodb.operation.OperationHelper.validateCollation;
import static com.mongodb.operation.OperationHelper.withConnection;
import static com.mongodb.internal.operation.WriteConcernHelper.appendWriteConcernToCommand;
import static com.mongodb.operation.CommandOperationHelper.writeConcernErrorTransformer;
import static com.mongodb.operation.OperationHelper.AsyncCallableWithConnection;
import static com.mongodb.operation.OperationHelper.withAsyncConnection;
/**
* An operation to create a collection
*
* @since 3.0
* @mongodb.driver.manual reference/method/db.createCollection Create Collection
*/
@Deprecated
public class CreateCollectionOperation implements AsyncWriteOperation, WriteOperation {
private final String databaseName;
private final String collectionName;
private final WriteConcern writeConcern;
private boolean capped = false;
private long sizeInBytes = 0;
private boolean autoIndex = true;
private long maxDocuments = 0;
private Boolean usePowerOf2Sizes = null;
private BsonDocument storageEngineOptions;
private BsonDocument indexOptionDefaults;
private BsonDocument validator;
private ValidationLevel validationLevel = null;
private ValidationAction validationAction = null;
private Collation collation = null;
/**
* Construct a new instance.
*
* @param databaseName the name of the database for the operation.
* @param collectionName the name of the collection to be created.
*/
public CreateCollectionOperation(final String databaseName, final String collectionName) {
this(databaseName, collectionName, null);
}
/**
* Construct a new instance.
*
* @param databaseName the name of the database for the operation.
* @param collectionName the name of the collection to be created.
* @param writeConcern the write concern
*
* @since 3.4
*/
public CreateCollectionOperation(final String databaseName, final String collectionName, final WriteConcern writeConcern) {
this.databaseName = notNull("databaseName", databaseName);
this.collectionName = notNull("collectionName", collectionName);
this.writeConcern = writeConcern;
}
/**
* Gets the name of the collection to create.
*
* @return the collection name
*/
public String getCollectionName() {
return collectionName;
}
/**
* Gets the write concern.
*
* @return the write concern, which may be null
*
* @since 3.4
*/
public WriteConcern getWriteConcern() {
return writeConcern;
}
/**
* The auto index value.
*
* @return true if auto-index is enabled
*/
public boolean isAutoIndex() {
return autoIndex;
}
/**
* Sets if _id field of the collection is indexed. Only applies to capped collections and defaults to true.
*
* @param autoIndex true if auto-index of _id is enabled. Only applies to capped collections.
* @return this
*/
public CreateCollectionOperation autoIndex(final boolean autoIndex) {
this.autoIndex = autoIndex;
return this;
}
/**
* Gets the maximum number of documents allowed in the collection.
*
* @return max number of documents in the collection
*/
public long getMaxDocuments() {
return maxDocuments;
}
/**
* Set the maximum number of documents in the collection. Only applies to capped collections
*
* @param maxDocuments the maximum number of documents in the collection. Only applies to capped collections.
* @return this
*/
public CreateCollectionOperation maxDocuments(final long maxDocuments) {
this.maxDocuments = maxDocuments;
return this;
}
/**
* Gets whether the collection is capped.
*
* @return whether the collection is capped
*/
public boolean isCapped() {
return capped;
}
/**
* Sets whether the collection is capped.
*
* Capped collections also require the size set see {@link #sizeInBytes }.
*
* @param capped whether the collection is capped. Defaults to false.
* @return this
*/
public CreateCollectionOperation capped(final boolean capped) {
this.capped = capped;
return this;
}
/**
* Gets the maximum size of the collection in bytes.
*
* @return the maximum size of the collection
*/
public long getSizeInBytes() {
return sizeInBytes;
}
/**
* Sets the maximum size of the collection in bytes. Required for capped collections.
*
* @param sizeInBytes the maximum size of the collection
* @return this
*/
public CreateCollectionOperation sizeInBytes(final long sizeInBytes) {
this.sizeInBytes = sizeInBytes;
return this;
}
/**
* Gets whether usePowerOf2Sizes should be used foe the allocation strategy.
*
* Note: {@code }usePowerOf2Sizes} became the default allocation strategy in mongodb 2.6
*
* @return usePowerOf2Sizes became the default allocation strategy
* @mongodb.driver.manual reference/command/collMod/#usePowerOf2Sizes usePowerOf2Sizes
* @mongodb.server.release 2.6
* @deprecated As of MongoDB 3.0, power of 2 sizes is ignored by the MongoDB server
*/
@Deprecated
public Boolean isUsePowerOf2Sizes() {
return usePowerOf2Sizes;
}
/**
* Sets whether usePowerOf2Sizes should be used foe the allocation strategy.
*
* Note: {@code }usePowerOf2Sizes} became the default allocation strategy in mongodb 2.6
*
* @param usePowerOf2Sizes as the default allocation strategy
* @return this
* @mongodb.driver.manual reference/command/collMod/#usePowerOf2Sizes usePowerOf2Sizes
* @mongodb.server.release 2.6
* @deprecated As of MongoDB 3.0, power of 2 sizes is ignored by the MongoDB server
*/
@Deprecated
public CreateCollectionOperation usePowerOf2Sizes(final Boolean usePowerOf2Sizes) {
this.usePowerOf2Sizes = usePowerOf2Sizes;
return this;
}
/**
* Gets the storage engine options document for this collection.
*
* @return the storage engine options
* @mongodb.server.release 3.0
*/
public BsonDocument getStorageEngineOptions() {
return storageEngineOptions;
}
/**
* Sets the storage engine options document for this collection.
*
* @param storageEngineOptions the storage engine options
* @return this
* @mongodb.server.release 3.0
*/
public CreateCollectionOperation storageEngineOptions(final BsonDocument storageEngineOptions) {
this.storageEngineOptions = storageEngineOptions;
return this;
}
/**
* Gets the index option defaults for the collection.
*
* @return the index option defaults
* @since 3.2
* @mongodb.server.release 3.2
*/
public BsonDocument getIndexOptionDefaults() {
return indexOptionDefaults;
}
/**
* Sets the index option defaults document for the collection.
*
* @param indexOptionDefaults the index option defaults
* @return this
* @since 3.2
* @mongodb.server.release 3.2
*/
public CreateCollectionOperation indexOptionDefaults(final BsonDocument indexOptionDefaults) {
this.indexOptionDefaults = indexOptionDefaults;
return this;
}
/**
* Gets the validation rules for inserting or updating documents
*
* @return the validation rules if set or null
* @since 3.2
* @mongodb.server.release 3.2
*/
public BsonDocument getValidator() {
return validator;
}
/**
* Sets the validation rules for inserting or updating documents
*
* @param validator the validation rules for inserting or updating documents
* @return this
* @since 3.2
* @mongodb.server.release 3.2
*/
public CreateCollectionOperation validator(final BsonDocument validator) {
this.validator = validator;
return this;
}
/**
* Gets the {@link ValidationLevel} that determines how strictly MongoDB applies the validation rules to existing documents during an
* insert or update.
*
* @return the ValidationLevel if set or null
* @since 3.2
* @mongodb.server.release 3.2
*/
public ValidationLevel getValidationLevel() {
return validationLevel;
}
/**
* Sets the validation level that determines how strictly MongoDB applies the validation rules to existing documents during an insert
* or update.
*
* @param validationLevel the validation level
* @return this
* @since 3.2
* @mongodb.server.release 3.2
*/
public CreateCollectionOperation validationLevel(final ValidationLevel validationLevel) {
this.validationLevel = validationLevel;
return this;
}
/**
* Gets the {@link ValidationAction}.
*
* @return the ValidationAction if set or null
* @since 3.2
* @mongodb.server.release 3.2
*/
public ValidationAction getValidationAction() {
return validationAction;
}
/**
* Sets the {@link ValidationAction} that determines whether to error on invalid documents or just warn about the violations but allow
* invalid documents.
*
* @param validationAction the validation action
* @return this
* @since 3.2
* @mongodb.server.release 3.2
*/
public CreateCollectionOperation validationAction(final ValidationAction validationAction) {
this.validationAction = validationAction;
return this;
}
/**
* Returns the collation options
*
* @return the collation options
* @since 3.4
* @mongodb.server.release 3.4
*/
public Collation getCollation() {
return collation;
}
/**
* Sets the collation options
*
* A null value represents the server default.
* @param collation the collation options to use
* @return this
* @since 3.4
* @mongodb.server.release 3.4
*/
public CreateCollectionOperation collation(final Collation collation) {
this.collation = collation;
return this;
}
@Override
public Void execute(final WriteBinding binding) {
return withConnection(binding, new CallableWithConnection() {
@Override
public Void call(final Connection connection) {
validateCollation(connection, collation);
executeCommand(binding, databaseName, getCommand(connection.getDescription()), connection,
writeConcernErrorTransformer());
return null;
}
});
}
@Override
public void executeAsync(final AsyncWriteBinding binding, final SingleResultCallback callback) {
withAsyncConnection(binding, new AsyncCallableWithConnection() {
@Override
public void call(final AsyncConnection connection, final Throwable t) {
SingleResultCallback errHandlingCallback = errorHandlingCallback(callback, LOGGER);
if (t != null) {
errHandlingCallback.onResult(null, t);
} else {
final SingleResultCallback wrappedCallback = releasingCallback(errHandlingCallback, connection);
validateCollation(connection, collation, new AsyncCallableWithConnection() {
@Override
public void call(final AsyncConnection connection, final Throwable t) {
if (t != null) {
wrappedCallback.onResult(null, t);
} else {
executeCommandAsync(binding, databaseName, getCommand(connection.getDescription()),
connection, writeConcernErrorWriteTransformer(), wrappedCallback);
}
}
});
}
}
});
}
private BsonDocument getCommand(final ConnectionDescription description) {
BsonDocument document = new BsonDocument("create", new BsonString(collectionName));
putIfFalse(document, "autoIndexId", autoIndex);
document.put("capped", BsonBoolean.valueOf(capped));
if (capped) {
putIfNotZero(document, "size", sizeInBytes);
putIfNotZero(document, "max", maxDocuments);
}
if (usePowerOf2Sizes != null) {
document.put("flags", new BsonInt32(1));
}
if (storageEngineOptions != null) {
document.put("storageEngine", storageEngineOptions);
}
if (indexOptionDefaults != null) {
document.put("indexOptionDefaults", indexOptionDefaults);
}
if (validator != null) {
document.put("validator", validator);
}
if (validationLevel != null) {
document.put("validationLevel", new BsonString(validationLevel.getValue()));
}
if (validationAction != null) {
document.put("validationAction", new BsonString(validationAction.getValue()));
}
appendWriteConcernToCommand(writeConcern, document, description);
if (collation != null) {
document.put("collation", collation.asDocument());
}
return document;
}
}