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The Java operations layer for the MongoDB Java Driver. Third parties can wrap this layer to provide custom higher-level APIs

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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.internal.connection;

import com.mongodb.ReadConcern;
import com.mongodb.internal.session.SessionContext;
import com.mongodb.lang.Nullable;
import org.bson.BsonDocument;
import org.bson.BsonTimestamp;

/**
 * A SessionContext implementation that does nothing and reports that it has no session.
 *
 * 

This class is not part of the public API and may be removed or changed at any time

*/ public class NoOpSessionContext implements SessionContext { /** * A singleton instance of a NoOpSessionContext */ public static final NoOpSessionContext INSTANCE = new NoOpSessionContext(); @Override public boolean hasSession() { return false; } @Override public boolean isImplicitSession() { throw new UnsupportedOperationException(); } @Override public BsonDocument getSessionId() { throw new UnsupportedOperationException(); } @Override public boolean isCausallyConsistent() { return false; } @Override public long getTransactionNumber() { throw new UnsupportedOperationException(); } @Override public long advanceTransactionNumber() { throw new UnsupportedOperationException(); } @Override public boolean notifyMessageSent() { return false; } @Nullable @Override public BsonTimestamp getOperationTime() { return null; } @Override public void advanceOperationTime(@Nullable final BsonTimestamp operationTime) { } @Nullable @Override public BsonDocument getClusterTime() { return null; } @Override public void advanceClusterTime(@Nullable final BsonDocument clusterTime) { } @Override public boolean isSnapshot() { return false; } @Override public void setSnapshotTimestamp(@Nullable final BsonTimestamp snapshotTimestamp) { } @Override @Nullable public BsonTimestamp getSnapshotTimestamp() { return null; } @Override public boolean hasActiveTransaction() { return false; } @Override public ReadConcern getReadConcern() { return ReadConcern.DEFAULT; } @Override public void setRecoveryToken(final BsonDocument recoveryToken) { throw new UnsupportedOperationException(); } @Override public void clearTransactionContext() { throw new UnsupportedOperationException(); } @Override public void markSessionDirty() { throw new UnsupportedOperationException(); } @Override public boolean isSessionMarkedDirty() { return false; } }




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