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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.connection;
import com.mongodb.ServerAddress;
import com.mongodb.annotations.Immutable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static com.mongodb.assertions.Assertions.notNull;
import static com.mongodb.connection.ServerDescription.getDefaultMaxDocumentSize;
/**
* A description of a connection to a MongoDB server.
*
* @since 3.0
*/
@Immutable
public class ConnectionDescription {
private final ConnectionId connectionId;
private final ServerVersion serverVersion;
private final int maxWireVersion;
private final ServerType serverType;
private final int maxBatchCount;
private final int maxDocumentSize;
private final int maxMessageSize;
private final List compressors;
private static final int DEFAULT_MAX_MESSAGE_SIZE = 0x2000000; // 32MB
private static final int DEFAULT_MAX_WRITE_BATCH_SIZE = 512;
/**
* Construct a defaulted connection description instance.
*
* @param serverId the server address
*/
public ConnectionDescription(final ServerId serverId) {
this(new ConnectionId(serverId), new ServerVersion(), 0, ServerType.UNKNOWN, DEFAULT_MAX_WRITE_BATCH_SIZE,
getDefaultMaxDocumentSize(), DEFAULT_MAX_MESSAGE_SIZE, Collections.emptyList());
}
/**
* Construct an instance.
*
* @param connectionId the connection id
* @param serverVersion the server version
* @param serverType the server type
* @param maxBatchCount the max batch count
* @param maxDocumentSize the max document size in bytes
* @param maxMessageSize the max message size in bytes
* @deprecated Prefer {@link #ConnectionDescription(ConnectionId, ServerVersion, int, ServerType, int, int, int, List)}
*/
@Deprecated
public ConnectionDescription(final ConnectionId connectionId, final ServerVersion serverVersion,
final ServerType serverType, final int maxBatchCount, final int maxDocumentSize,
final int maxMessageSize) {
this(connectionId, serverVersion, 0, serverType, maxBatchCount, maxDocumentSize, maxMessageSize, Collections.emptyList());
}
/**
* Construct an instance.
*
* @param connectionId the connection id
* @param serverVersion the server version
* @param serverType the server type
* @param maxBatchCount the max batch count
* @param maxDocumentSize the max document size in bytes
* @param maxMessageSize the max message size in bytes
* @param compressors the available compressors on the connection
* @since 3.5
* @deprecated Prefer {@link #ConnectionDescription(ConnectionId, ServerVersion, int, ServerType, int, int, int, List)}
*/
@Deprecated
public ConnectionDescription(final ConnectionId connectionId, final ServerVersion serverVersion,
final ServerType serverType, final int maxBatchCount, final int maxDocumentSize,
final int maxMessageSize, final List compressors) {
this(connectionId, serverVersion, 0, serverType, maxBatchCount, maxDocumentSize, maxMessageSize, compressors);
}
/**
* Construct an instance.
*
* @param connectionId the connection id
* @param serverVersion the server version
* @param maxWireVersion the max wire version
* @param serverType the server type
* @param maxBatchCount the max batch count
* @param maxDocumentSize the max document size in bytes
* @param maxMessageSize the max message size in bytes
* @param compressors the available compressors on the connection
* @since 3.10
* @deprecated
*/
@Deprecated
public ConnectionDescription(final ConnectionId connectionId, final ServerVersion serverVersion, final int maxWireVersion,
final ServerType serverType, final int maxBatchCount, final int maxDocumentSize,
final int maxMessageSize, final List compressors) {
this.connectionId = connectionId;
this.serverType = serverType;
this.maxBatchCount = maxBatchCount;
this.maxDocumentSize = maxDocumentSize;
this.maxMessageSize = maxMessageSize;
this.serverVersion = serverVersion;
this.maxWireVersion = maxWireVersion;
this.compressors = notNull("compressors", Collections.unmodifiableList(new ArrayList(compressors)));
}
/**
* Construct an instance.
*
* @param connectionId the connection id
* @param maxWireVersion the max wire version
* @param serverType the server type
* @param maxBatchCount the max batch count
* @param maxDocumentSize the max document size in bytes
* @param maxMessageSize the max message size in bytes
* @param compressors the available compressors on the connection
* @since 3.10
*/
public ConnectionDescription(final ConnectionId connectionId, final int maxWireVersion,
final ServerType serverType, final int maxBatchCount, final int maxDocumentSize,
final int maxMessageSize, final List compressors) {
this(connectionId, new ServerVersion(), maxWireVersion, serverType, maxBatchCount, maxDocumentSize, maxMessageSize, compressors);
}
/**
* Creates a new connection description with the set connection id
*
* @param connectionId the connection id
* @return the new connection description
* @since 3.8
*/
public ConnectionDescription withConnectionId(final ConnectionId connectionId) {
notNull("connectionId", connectionId);
return new ConnectionDescription(connectionId, serverVersion, maxWireVersion, serverType, maxBatchCount, maxDocumentSize,
maxMessageSize, compressors);
}
/**
* Gets the server address.
*
* @return the server address
*/
public ServerAddress getServerAddress() {
return connectionId.getServerId().getAddress();
}
/**
* Gets the id of the connection. If possible, this id will correlate with the connection id that the server puts in its log messages.
*
* @return the connection id
*/
public ConnectionId getConnectionId() {
return connectionId;
}
/**
* Gets the version of the server.
*
* @return the server version
* @deprecated Use {@link #getMaxWireVersion()} instead
*/
@Deprecated
public ServerVersion getServerVersion() {
return serverVersion;
}
/**
* The latest version of the wire protocol that this MongoDB server is capable of using to communicate with clients.
*
* @return the maximum protocol version supported by this server
* @since 3.10
* @mongodb.server.release 2.6
*/
public int getMaxWireVersion() {
return maxWireVersion;
}
/**
* Gets the server type.
*
* @return the server type
*/
public ServerType getServerType() {
return serverType;
}
/**
* Gets the max batch count for bulk write operations.
*
* @return the max batch count
*/
public int getMaxBatchCount() {
return maxBatchCount;
}
/**
* Gets the max document size in bytes for documents to be stored in collections.
*
* @return the max document size in bytes
*/
public int getMaxDocumentSize() {
return maxDocumentSize;
}
/**
* Gets the max message size in bytes for wire protocol messages to be sent to the server.
*
* @return the max message size in bytes.
*/
public int getMaxMessageSize() {
return maxMessageSize;
}
/**
* Gets the compressors supported by this connection.
*
* @return the non-null list of compressors supported by this connection
*/
public List getCompressors() {
return compressors;
}
/**
* Get the default maximum message size.
*
* @return the default maximum message size.
*/
public static int getDefaultMaxMessageSize() {
return DEFAULT_MAX_MESSAGE_SIZE;
}
/**
* Get the default maximum write batch size.
*
* @return the default maximum write batch size.
*/
public static int getDefaultMaxWriteBatchSize() {
return DEFAULT_MAX_WRITE_BATCH_SIZE;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ConnectionDescription that = (ConnectionDescription) o;
if (maxBatchCount != that.maxBatchCount) {
return false;
}
if (maxDocumentSize != that.maxDocumentSize) {
return false;
}
if (maxMessageSize != that.maxMessageSize) {
return false;
}
if (!connectionId.equals(that.connectionId)) {
return false;
}
if (serverType != that.serverType) {
return false;
}
if (!serverVersion.equals(that.serverVersion)) {
return false;
}
if (maxWireVersion != that.maxWireVersion) {
return false;
}
if (!compressors.equals(that.compressors)) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = connectionId.hashCode();
result = 31 * result + serverVersion.hashCode();
result = 31 * result + maxBatchCount;
result = 31 * result + serverType.hashCode();
result = 31 * result + maxBatchCount;
result = 31 * result + maxDocumentSize;
result = 31 * result + maxMessageSize;
result = 31 * result + compressors.hashCode();
return result;
}
@Override
public String toString() {
return "ConnectionDescription{"
+ "connectionId=" + connectionId
+ ", serverVersion=" + serverVersion
+ ", maxWireVersion=" + maxWireVersion
+ ", serverType=" + serverType
+ ", maxBatchCount=" + maxBatchCount
+ ", maxDocumentSize=" + maxDocumentSize
+ ", maxMessageSize=" + maxMessageSize
+ ", compressors=" + compressors
+ '}';
}
}
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