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The MongoDB Driver uber-artifact that combines mongodb-driver-sync and the legacy driver
/*
* 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.internal;
import com.mongodb.CursorType;
import com.mongodb.MongoNamespace;
import com.mongodb.ReadConcern;
import com.mongodb.ReadPreference;
import com.mongodb.client.ClientSession;
import com.mongodb.client.FindIterable;
import com.mongodb.client.model.Collation;
import com.mongodb.client.model.FindOptions;
import com.mongodb.internal.operation.SyncOperations;
import com.mongodb.lang.Nullable;
import com.mongodb.operation.BatchCursor;
import com.mongodb.operation.ReadOperation;
import org.bson.codecs.configuration.CodecRegistry;
import org.bson.conversions.Bson;
import java.util.concurrent.TimeUnit;
import static com.mongodb.assertions.Assertions.notNull;
@SuppressWarnings("deprecation")
class FindIterableImpl extends MongoIterableImpl implements FindIterable {
private final SyncOperations operations;
private final Class resultClass;
private final FindOptions findOptions;
private Bson filter;
FindIterableImpl(@Nullable final ClientSession clientSession, final MongoNamespace namespace, final Class documentClass,
final Class resultClass, final CodecRegistry codecRegistry, final ReadPreference readPreference,
final ReadConcern readConcern, final OperationExecutor executor, final Bson filter) {
super(clientSession, executor, readConcern, readPreference);
this.operations = new SyncOperations(namespace, documentClass, readPreference, codecRegistry);
this.resultClass = notNull("resultClass", resultClass);
this.filter = notNull("filter", filter);
this.findOptions = new FindOptions();
}
@Override
public FindIterable filter(@Nullable final Bson filter) {
this.filter = filter;
return this;
}
@Override
public FindIterable limit(final int limit) {
findOptions.limit(limit);
return this;
}
@Override
public FindIterable skip(final int skip) {
findOptions.skip(skip);
return this;
}
@Override
public FindIterable maxTime(final long maxTime, final TimeUnit timeUnit) {
notNull("timeUnit", timeUnit);
findOptions.maxTime(maxTime, timeUnit);
return this;
}
@Override
public FindIterable maxAwaitTime(final long maxAwaitTime, final TimeUnit timeUnit) {
notNull("timeUnit", timeUnit);
findOptions.maxAwaitTime(maxAwaitTime, timeUnit);
return this;
}
@Override
public FindIterable batchSize(final int batchSize) {
super.batchSize(batchSize);
findOptions.batchSize(batchSize);
return this;
}
@Override
public FindIterable collation(@Nullable final Collation collation) {
findOptions.collation(collation);
return this;
}
@Override
@SuppressWarnings("deprecation")
public FindIterable modifiers(@Nullable final Bson modifiers) {
findOptions.modifiers(modifiers);
return this;
}
@Override
public FindIterable projection(@Nullable final Bson projection) {
findOptions.projection(projection);
return this;
}
@Override
public FindIterable sort(@Nullable final Bson sort) {
findOptions.sort(sort);
return this;
}
@Override
public FindIterable noCursorTimeout(final boolean noCursorTimeout) {
findOptions.noCursorTimeout(noCursorTimeout);
return this;
}
@Override
public FindIterable oplogReplay(final boolean oplogReplay) {
findOptions.oplogReplay(oplogReplay);
return this;
}
@Override
public FindIterable partial(final boolean partial) {
findOptions.partial(partial);
return this;
}
@Override
public FindIterable cursorType(final CursorType cursorType) {
findOptions.cursorType(cursorType);
return this;
}
@Override
public FindIterable comment(@Nullable final String comment) {
findOptions.comment(comment);
return this;
}
@Override
public FindIterable hint(@Nullable final Bson hint) {
findOptions.hint(hint);
return this;
}
@Override
public FindIterable max(@Nullable final Bson max) {
findOptions.max(max);
return this;
}
@Override
public FindIterable min(@Nullable final Bson min) {
findOptions.min(min);
return this;
}
@Override
@SuppressWarnings("deprecation")
public FindIterable maxScan(final long maxScan) {
findOptions.maxScan(maxScan);
return this;
}
@Override
public FindIterable returnKey(final boolean returnKey) {
findOptions.returnKey(returnKey);
return this;
}
@Override
public FindIterable showRecordId(final boolean showRecordId) {
findOptions.showRecordId(showRecordId);
return this;
}
@Override
@SuppressWarnings("deprecation")
public FindIterable snapshot(final boolean snapshot) {
findOptions.snapshot(snapshot);
return this;
}
@Nullable
@Override
public TResult first() {
BatchCursor batchCursor = getExecutor().execute(operations.findFirst(filter, resultClass, findOptions),
getReadPreference(), getReadConcern(), getClientSession());
try {
return batchCursor.hasNext() ? batchCursor.next().iterator().next() : null;
} finally {
batchCursor.close();
}
}
public ReadOperation> asReadOperation() {
return operations.find(filter, resultClass, findOptions);
}
}
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