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/*
 * Copyright (c) 2008-2014 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;

import org.bson.util.annotations.Immutable;

import javax.net.SocketFactory;

/**
 * 

Various settings to control the behavior of a {@code MongoClient}.

* *

Note: This class is a replacement for {@code MongoOptions}, to be used with {@code MongoClient}. The main difference in behavior is * that the default write concern is {@code WriteConcern.ACKNOWLEDGED}.

* * @see MongoClient * @since 2.10.0 */ @Immutable public class MongoClientOptions { /** * A builder for MongoClientOptions so that MongoClientOptions can be immutable, and to support easier construction through chaining. * * @since 2.10.0 */ public static class Builder { private String description; private int minConnectionsPerHost; private int connectionsPerHost = 100; private int threadsAllowedToBlockForConnectionMultiplier = 5; private int maxWaitTime = 1000 * 60 * 2; private int maxConnectionIdleTime; private int maxConnectionLifeTime; private int connectTimeout = 1000 * 10; private int socketTimeout = 0; private boolean socketKeepAlive = false; private boolean autoConnectRetry = false; private long maxAutoConnectRetryTime = 0; private ReadPreference readPreference = ReadPreference.primary(); private DBDecoderFactory dbDecoderFactory = DefaultDBDecoder.FACTORY; private DBEncoderFactory dbEncoderFactory = DefaultDBEncoder.FACTORY; private WriteConcern writeConcern = WriteConcern.ACKNOWLEDGED; private SocketFactory socketFactory = SocketFactory.getDefault(); private boolean cursorFinalizerEnabled = true; private boolean alwaysUseMBeans = false; private int heartbeatFrequency = Integer.parseInt(System.getProperty("com.mongodb.updaterIntervalMS", "5000")); private int minHeartbeatFrequency = Integer.parseInt(System.getProperty("com.mongodb.updaterIntervalNoMasterMS", "500")); private int heartbeatConnectTimeout = Integer.parseInt(System.getProperty("com.mongodb.updaterConnectTimeoutMS", "20000")); private int heartbeatSocketTimeout = Integer.parseInt(System.getProperty("com.mongodb.updaterSocketTimeoutMS", "20000")); private int heartbeatThreadCount; private int localThreshold = Integer.parseInt(System.getProperty("com.mongodb.slaveAcceptableLatencyMS", "15")); private String requiredReplicaSetName; /** * Sets the heartbeat frequency. * * @param heartbeatFrequency the heartbeat frequency, in milliseconds * @return {@code this} * @throws IllegalArgumentException if heartbeatFrequency < 1, which must be > 0 * @see com.mongodb.MongoClientOptions#getHeartbeatFrequency() * @since 2.12.0 */ public Builder heartbeatFrequency(final int heartbeatFrequency) { if (heartbeatFrequency < 1) { throw new IllegalArgumentException("heartbeatFrequency must be greater than 0"); } this.heartbeatFrequency = heartbeatFrequency; return this; } /** * Sets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will * wait at least this long since the previous check to avoid wasted effort. The default value is 10ms. * * @param minHeartbeatFrequency the minimum heartbeat frequency, in milliseconds, which must be > 0 * @return {@code this} * @see MongoClientOptions#getMinHeartbeatFrequency() * @since 2.13 */ public Builder minHeartbeatFrequency(final int minHeartbeatFrequency) { if (minHeartbeatFrequency < 1) { throw new IllegalArgumentException("minHeartbeatFrequency must be greater than 0"); } this.minHeartbeatFrequency = minHeartbeatFrequency; return this; } /** * Sets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will * wait at least this long since the previous check to avoid pointless effort. The default value is 10ms. * * @param minHeartbeatFrequency the minimum heartbeat frequency, in milliseconds, which must be > 0 * @return {@code this} * @see MongoClientOptions#getMinHeartbeatFrequency() () * @since 2.12 * @deprecated replaced by {@link com.mongodb.MongoClientOptions.Builder#minHeartbeatFrequency} */ @Deprecated public Builder heartbeatConnectRetryFrequency(final int minHeartbeatFrequency) { return minHeartbeatFrequency(minHeartbeatFrequency); } /** * Sets the heartbeat connect timeout. * * @param heartbeatConnectTimeout the heartbeat connect timeout, in milliseconds * @return {@code this} * @throws IllegalArgumentException if heartbeatConnectTimeout < 0 * @see com.mongodb.MongoClientOptions#getHeartbeatConnectTimeout() * @since 2.12.0 */ public Builder heartbeatConnectTimeout(final int heartbeatConnectTimeout) { if (heartbeatConnectTimeout < 0) { throw new IllegalArgumentException("heartbeatConnectTimeout must be greater than or equal to 0"); } this.heartbeatConnectTimeout = heartbeatConnectTimeout; return this; } /** * Sets the heartbeat connect socket timeout. * * @param heartbeatSocketTimeout the heartbeat socket timeout, in milliseconds * @return {@code this} * @throws IllegalArgumentException if heartbeatSocketTimeout < 0 * @see com.mongodb.MongoClientOptions#getHeartbeatSocketTimeout() * @since 2.12.0 */ public Builder heartbeatSocketTimeout(final int heartbeatSocketTimeout) { if (heartbeatSocketTimeout < 0) { throw new IllegalArgumentException("heartbeatSocketTimeout must be greater than or equal to 0"); } this.heartbeatSocketTimeout = heartbeatSocketTimeout; return this; } /** * Sets the heartbeat thread count. * * @param heartbeatThreadCount the heartbeat thread count * @return {@code this} * @throws IllegalArgumentException if heartbeatThreadCount < 1 * @see MongoClientOptions#getHeartbeatThreadCount() * @since 2.12.0 * @deprecated this is no longer a configurable property */ @Deprecated public Builder heartbeatThreadCount(final int heartbeatThreadCount) { if (heartbeatThreadCount < 1) { throw new IllegalArgumentException("heartbeatThreadCount must be greater than 0"); } this.heartbeatThreadCount = heartbeatThreadCount; return this; } /** * Sets the local threshold. * * @param localThreshold the threshold in milliseconds * @return {@code this} * @throws IllegalArgumentException if localThreshold < 0 * @see com.mongodb.MongoClientOptions#getLocalThreshold() * @since 2.13.0 */ public Builder localThreshold(final int localThreshold) { if (localThreshold < 0) { throw new IllegalArgumentException("localThreshold must be greater than or equal to 0"); } this.localThreshold = localThreshold; return this; } /** * Sets the acceptable latency difference. * * @param acceptableLatencyDifference the acceptable latency difference, in milliseconds * @return {@code this} * @throws IllegalArgumentException if acceptableLatencyDifference < 0 * @see com.mongodb.MongoClientOptions#getAcceptableLatencyDifference() * @since 2.12.0 * @deprecated Use {@link #localThreshold(int)} */ @Deprecated public Builder acceptableLatencyDifference(final int acceptableLatencyDifference) { if (acceptableLatencyDifference < 0) { throw new IllegalArgumentException("acceptableLatencyDifference must be greater than or equal to 0"); } this.localThreshold = acceptableLatencyDifference; return this; } /** * Sets the description. * * @param description the description of this MongoClient * @return {@code this} * @see com.mongodb.MongoClientOptions#getDescription() */ public Builder description(final String description) { this.description = description; return this; } /** * Sets the minimum number of connections per host. * * @param minConnectionsPerHost minimum number of connections * @return {@code this} * @throws IllegalArgumentException if {@code minConnectionsPerHost < 0} * @see MongoClientOptions#getMinConnectionsPerHost() * @since 2.12 */ public Builder minConnectionsPerHost(final int minConnectionsPerHost) { if (minConnectionsPerHost < 0) { throw new IllegalArgumentException("Minimum value is 0"); } this.minConnectionsPerHost = minConnectionsPerHost; return this; } /** * Sets the maximum number of connections per host. * * @param connectionsPerHost maximum number of connections * @return {@code this} * @throws IllegalArgumentException if {@code connnectionsPerHost < 1} * @see com.mongodb.MongoClientOptions#getConnectionsPerHost() */ public Builder connectionsPerHost(final int connectionsPerHost) { if (connectionsPerHost < 1) { throw new IllegalArgumentException("Minimum value is 1"); } this.connectionsPerHost = connectionsPerHost; return this; } /** * Sets the multiplier for number of threads allowed to block waiting for a connection. * * @param threadsAllowedToBlockForConnectionMultiplier the multiplier * @return {@code this} * @throws IllegalArgumentException if {@code threadsAllowedToBlockForConnectionMultiplier < 1} * @see com.mongodb.MongoClientOptions#getThreadsAllowedToBlockForConnectionMultiplier() */ public Builder threadsAllowedToBlockForConnectionMultiplier(final int threadsAllowedToBlockForConnectionMultiplier) { if (threadsAllowedToBlockForConnectionMultiplier < 1) { throw new IllegalArgumentException("Minimum value is 1"); } this.threadsAllowedToBlockForConnectionMultiplier = threadsAllowedToBlockForConnectionMultiplier; return this; } /** * Sets the maximum time that a thread will block waiting for a connection. * * @param maxWaitTime the maximum wait time (in milliseconds) * @return {@code this} * @throws IllegalArgumentException if {@code maxWaitTime < 0} * @see com.mongodb.MongoClientOptions#getMaxWaitTime() */ public Builder maxWaitTime(final int maxWaitTime) { if (maxWaitTime < 0) { throw new IllegalArgumentException("Minimum value is 0"); } this.maxWaitTime = maxWaitTime; return this; } /** * Sets the maximum idle time for a pooled connection. * * @param maxConnectionIdleTime the maximum idle time * @return {@code this} * @throws IllegalArgumentException if {@code maxConnectionIdleTime < 0} * @see com.mongodb.MongoClientOptions#getMaxConnectionIdleTime() * @since 2.12 */ public Builder maxConnectionIdleTime(final int maxConnectionIdleTime) { if (maxConnectionIdleTime < 0) { throw new IllegalArgumentException("Minimum value is 0"); } this.maxConnectionIdleTime = maxConnectionIdleTime; return this; } /** * Sets the maximum life time for a pooled connection. * * @param maxConnectionLifeTime the maximum life time * @return {@code this} * @throws IllegalArgumentException if {@code maxConnectionIdleTime < 0} * @see MongoClientOptions#getMaxConnectionIdleTime() * @since 2.12 */ public Builder maxConnectionLifeTime(final int maxConnectionLifeTime) { if (maxConnectionLifeTime < 0) { throw new IllegalArgumentException("Minimum value is 0"); } this.maxConnectionLifeTime = maxConnectionLifeTime; return this; } /** * Sets the connection timeout. * * @param connectTimeout the connection timeout (in milliseconds) * @return {@code this} * @see com.mongodb.MongoClientOptions#getConnectTimeout() */ public Builder connectTimeout(final int connectTimeout) { if (connectTimeout < 0) { throw new IllegalArgumentException("Minimum value is 0"); } this.connectTimeout = connectTimeout; return this; } /** * Sets the socket timeout. * * @param socketTimeout the socket timeout (in milliseconds) * @return {@code this} * @see com.mongodb.MongoClientOptions#getSocketTimeout() */ public Builder socketTimeout(final int socketTimeout) { if (socketTimeout < 0) { throw new IllegalArgumentException("Minimum value is 0"); } this.socketTimeout = socketTimeout; return this; } /** * Sets whether socket keep alive is enabled. * * @param socketKeepAlive keep alive * @return {@code this} * @see com.mongodb.MongoClientOptions#isSocketKeepAlive() */ public Builder socketKeepAlive(final boolean socketKeepAlive) { this.socketKeepAlive = socketKeepAlive; return this; } /** * Sets whether auto connect retry is enabled. * * @param autoConnectRetry auto connect retry * @return {@code this} * @see MongoClientOptions#isAutoConnectRetry() * @deprecated There is no replacement for this method. Use the connectTimeout property to control connection timeout. */ @Deprecated public Builder autoConnectRetry(final boolean autoConnectRetry) { this.autoConnectRetry = autoConnectRetry; return this; } /** * Sets the maximum auto connect retry time. * * @param maxAutoConnectRetryTime the maximum auto connect retry time * @return {@code this} * @see MongoClientOptions#getMaxAutoConnectRetryTime() * @deprecated There is no replacement for this method. Use the connectTimeout property to control connection timeout. */ @Deprecated public Builder maxAutoConnectRetryTime(final long maxAutoConnectRetryTime) { if (maxAutoConnectRetryTime < 0) { throw new IllegalArgumentException("Minimum value is 0"); } this.maxAutoConnectRetryTime = maxAutoConnectRetryTime; return this; } /** * Sets the read preference. * * @param readPreference read preference * @return {@code this} * @see MongoClientOptions#getReadPreference() */ public Builder readPreference(final ReadPreference readPreference) { if (readPreference == null) { throw new IllegalArgumentException("null is not a legal value"); } this.readPreference = readPreference; return this; } /** * Sets the decoder factory. * * @param dbDecoderFactory the decoder factory * @return {@code this} * @see MongoClientOptions#getDbDecoderFactory() */ public Builder dbDecoderFactory(final DBDecoderFactory dbDecoderFactory) { if (dbDecoderFactory == null) { throw new IllegalArgumentException("null is not a legal value"); } this.dbDecoderFactory = dbDecoderFactory; return this; } /** * Sets the encoder factory. * * @param dbEncoderFactory the encoder factory * @return {@code this} * @see MongoClientOptions#getDbEncoderFactory() */ public Builder dbEncoderFactory(final DBEncoderFactory dbEncoderFactory) { if (dbEncoderFactory == null) { throw new IllegalArgumentException("null is not a legal value"); } this.dbEncoderFactory = dbEncoderFactory; return this; } /** * Sets the write concern. * * @param writeConcern the write concern * @return {@code this} * @see MongoClientOptions#getWriteConcern() */ public Builder writeConcern(final WriteConcern writeConcern) { if (writeConcern == null) { throw new IllegalArgumentException("null is not a legal value"); } this.writeConcern = writeConcern; return this; } /** * Sets the socket factory. * * @param socketFactory the socket factory * @return {@code this} * @see MongoClientOptions#getSocketFactory() */ public Builder socketFactory(final SocketFactory socketFactory) { if (socketFactory == null) { throw new IllegalArgumentException("null is not a legal value"); } this.socketFactory = socketFactory; return this; } /** * Sets whether cursor finalizers are enabled. * * @param cursorFinalizerEnabled whether cursor finalizers are enabled. * @return {@code this} * @see MongoClientOptions#isCursorFinalizerEnabled() */ public Builder cursorFinalizerEnabled(final boolean cursorFinalizerEnabled) { this.cursorFinalizerEnabled = cursorFinalizerEnabled; return this; } /** * Sets whether JMX beans registered by the driver should always be MBeans, regardless of whether the VM is Java 6 or greater. If * false, the driver will use MXBeans if the VM is Java 6 or greater, and use MBeans if the VM is Java 5. * * @param alwaysUseMBeans true if driver should always use MBeans, regardless of VM version * @return this * @see MongoClientOptions#isAlwaysUseMBeans() */ public Builder alwaysUseMBeans(final boolean alwaysUseMBeans) { this.alwaysUseMBeans = alwaysUseMBeans; return this; } /** * Sets the required replica set name for the cluster. * * @param requiredReplicaSetName the required replica set name for the replica set. * @return this * @see MongoClientOptions#getRequiredReplicaSetName() * @since 2.12 */ public Builder requiredReplicaSetName(final String requiredReplicaSetName) { this.requiredReplicaSetName = requiredReplicaSetName; return this; } /** * Sets defaults to be what they are in {@code MongoOptions}. * * @return {@code this} * @see MongoOptions */ public Builder legacyDefaults() { connectionsPerHost = 10; writeConcern = WriteConcern.NORMAL; return this; } /** * Build an instance of MongoClientOptions. * * @return the options from this builder */ public MongoClientOptions build() { return new MongoClientOptions(this); } } /** * Create a new Builder instance. This is a convenience method, equivalent to {@code new MongoClientOptions.Builder()}. * * @return a new instance of a Builder */ public static Builder builder() { return new Builder(); } /** *

Gets the description for this MongoClient, which is used in various places like logging and JMX.

* *

Default is null.

* * @return the description */ public String getDescription() { return description; } /** *

The minimum number of connections per host for this MongoClient instance. Those connections will be kept in a pool when idle, and * the pool will ensure over time that it contains at least this minimum number.

* *

Default is 0.

* * @return the minimum size of the connection pool per host */ public int getMinConnectionsPerHost() { return minConnectionsPerHost; } /** *

The maximum number of connections allowed per host for this MongoClient instance. Those connections will be kept in a pool when * idle. Once the pool is exhausted, any operation requiring a connection will block waiting for an available connection.

* *

Default is 100.

* * @return the maximum size of the connection pool per host * @see MongoClientOptions#getThreadsAllowedToBlockForConnectionMultiplier() */ public int getConnectionsPerHost() { return connectionsPerHost; } /** *

This multiplier, multiplied with the connectionsPerHost setting, gives the maximum number of threads that may be waiting for a * connection to become available from the pool. All further threads will get an exception right away. For example if connectionsPerHost * is 10 and threadsAllowedToBlockForConnectionMultiplier is 5, then up to 50 threads can wait for a connection.

* *

Default is 5.

* * @return the multiplier */ public int getThreadsAllowedToBlockForConnectionMultiplier() { return threadsAllowedToBlockForConnectionMultiplier; } /** *

The maximum wait time in milliseconds that a thread may wait for a connection to become available.

* *

Default is 120,000. A value of 0 means that it will not wait. A negative value means to wait indefinitely.

* * @return the maximum wait time. */ public int getMaxWaitTime() { return maxWaitTime; } /** * The maximum idle time of a pooled connection. A zero value indicates no limit to the idle time. A pooled connection that has * exceeded its idle time will be closed and replaced when necessary by a new connection. * * @return the maximum idle time, in milliseconds * @since 2.12 */ public int getMaxConnectionIdleTime() { return maxConnectionIdleTime; } /** * The maximum life time of a pooled connection. A zero value indicates no limit to the life time. A pooled connection that has * exceeded its life time will be closed and replaced when necessary by a new connection. * * @return the maximum life time, in milliseconds * @since 2.12 */ public int getMaxConnectionLifeTime() { return maxConnectionLifeTime; } /** *

The connection timeout in milliseconds. A value of 0 means no timeout. It is used solely when establishing a new connection * {@link java.net.Socket#connect(java.net.SocketAddress, int) }

* *

Default is 10,000.

* * @return the socket connect timeout */ public int getConnectTimeout() { return connectTimeout; } /** *

The socket timeout in milliseconds. It is used for I/O socket read and write operations {@link * java.net.Socket#setSoTimeout(int)}

* *

Default is 0 and means no timeout.

* * @return the socket timeout */ public int getSocketTimeout() { return socketTimeout; } /** *

This flag controls the socket keep alive feature that keeps a connection alive through firewalls {@link * java.net.Socket#setKeepAlive(boolean)}

* *

Default is false.

* * @return whether keep-alive is enabled on each socket */ public boolean isSocketKeepAlive() { return socketKeepAlive; } /** * If true, the driver will keep trying to connect to the server in case that the socket cannot be established within the {code * connectTimeout} period. There is maximum amount of time to keep retrying, which is 15s by default. Note that use of this flag does * not prevent exceptions from being thrown from read/write operations, and they must be handled by the application. The default value * is false. * * @return whether socket connect is retried * @deprecated There is no replacement for this method. Use the connectTimeout property to control connection timeout. */ @Deprecated public boolean isAutoConnectRetry() { return autoConnectRetry; } /** * The maximum amount of time in MS to spend trying to open connection to the same server. The default is 0, which means to use the * default 15s if autoConnectRetry is on. * * @return the maximum socket connect retry time. * @deprecated There is no replacement for this method. Use the connectTimeout property to control connection timeout. */ @Deprecated public long getMaxAutoConnectRetryTime() { return maxAutoConnectRetryTime; } /** *

The read preference to use for queries, map-reduce, aggregation, and count.

* *

Default is {@code ReadPreference.primary()}.

* * @return the read preference * @see com.mongodb.ReadPreference#primary() */ public ReadPreference getReadPreference() { return readPreference; } /** * Override the decoder factory. Default is for the standard Mongo Java driver configuration. * * @return the decoder factory */ public DBDecoderFactory getDbDecoderFactory() { return dbDecoderFactory; } /** * Override the encoder factory. Default is for the standard Mongo Java driver configuration. * * @return the encoder factory */ public DBEncoderFactory getDbEncoderFactory() { return dbEncoderFactory; } /** *

The write concern to use.

* *

Default is {@code WriteConcern.ACKNOWLEDGED}.

* * @return the write concern * @see WriteConcern#ACKNOWLEDGED */ public WriteConcern getWriteConcern() { return writeConcern; } /** *

The socket factory for creating sockets to the mongo server.

* *

Default is SocketFactory.getDefault()

* * @return the socket factory */ public SocketFactory getSocketFactory() { return socketFactory; } /** *

Gets whether there is a a finalize method created that cleans up instances of DBCursor that the client does not close. If you are * careful to always call the close method of DBCursor, then this can safely be set to false.

* *

Default is true.

* * @return whether finalizers are enabled on cursors * @see DBCursor * @see com.mongodb.DBCursor#close() */ public boolean isCursorFinalizerEnabled() { return cursorFinalizerEnabled; } /** *

Gets whether JMX beans registered by the driver should always be MBeans, regardless of whether the VM is Java 6 or greater. If * false, the driver will use MXBeans if the VM is Java 6 or greater, and use MBeans if the VM is Java 5.

* *

Default is false.

* * @return true if JMX beans should always be MBeans */ public boolean isAlwaysUseMBeans() { return alwaysUseMBeans; } /** * Gets the heartbeat frequency. This is the frequency that the driver will attempt to determine the current state of each server in the * cluster. The default value is 5000 milliseconds. * * @return the heartbeat frequency, in milliseconds * @since 2.12 */ public int getHeartbeatFrequency() { return heartbeatFrequency; } /** * Gets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will wait * at least this long since the previous check to avoid wasted effort. The default value is 10 ms. * * @return the minimum heartbeat frequency, in milliseconds * @since 2.13 */ public int getMinHeartbeatFrequency() { return minHeartbeatFrequency; } /** * Gets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will wait * at least this long since the previous check to avoid pointless effort. The default value is 10 ms. * * @return the minimum heartbeat frequency, in milliseconds * @since 2.12 * @deprecated replaced by {@link #getMinHeartbeatFrequency()} */ @Deprecated public int getHeartbeatConnectRetryFrequency() { return minHeartbeatFrequency; } /** *

Gets the connect timeout for connections used for the cluster heartbeat.

* *

The default value is 20,000 milliseconds.

* * @return the heartbeat connect timeout, in milliseconds * @since 2.12 */ public int getHeartbeatConnectTimeout() { return heartbeatConnectTimeout; } /** * Gets the socket timeout for connections used for the cluster heartbeat. The default value is 20,000 milliseconds. * * @return the heartbeat socket timeout, in milliseconds * @since 2.12 */ public int getHeartbeatSocketTimeout() { return heartbeatSocketTimeout; } /** * Gets the heartbeat thread count. This is the number of threads that will be used to monitor the MongoDB servers that the MongoClient * is connected to. * *

The default value is the number of servers in the seed list.

* * @return the heartbeat thread count * @since 2.12.0 * @deprecated this is no longer a configurable property */ @Deprecated public int getHeartbeatThreadCount() { return heartbeatThreadCount; } /** *

Gets the local threshold. When choosing among multiple MongoDB servers to send a request, the MongoClient will only * send that request to a server whose ping time is less than or equal to the server with the fastest ping time plus the local * threshold.

* *

For example, let's say that the client is choosing a server to send a query when the read preference is {@code * ReadPreference.secondary()}, and that there are three secondaries, server1, server2, and server3, whose ping times are 10, 15, and 16 * milliseconds, respectively. With a local threshold of 5 milliseconds, the client will send the query to either * server1 or server2 (randomly selecting between the two). *

* *

The default value is 15 milliseconds.

* * @return the local threshold, in milliseconds * @since 2.13.0 * @mongodb.driver.manual reference/program/mongos/#cmdoption--localThreshold Local Threshold */ public int getLocalThreshold() { return localThreshold; } /** *

Gets the acceptable latency difference. When choosing among multiple MongoDB servers to send a request, the MongoClient will only * send that request to a server whose ping time is less than or equal to the server with the fastest ping time plus the acceptable * latency difference.

* *

For example, let's say that the client is choosing a server to send a query when the read preference is {@code * ReadPreference.secondary()}, and that there are three secondaries, server1, server2, and server3, whose ping times are 10, 15, and 16 * milliseconds, respectively. With an acceptable latency difference of 5 milliseconds, the client will send the query to either * server1 or server2 (randomly selecting between the two).

The default value is 15 milliseconds.

* * @return the acceptable latency difference, in milliseconds * @since 2.12.0 * @deprecated Use {@link MongoClientOptions#getLocalThreshold()} instead */ @Deprecated public int getAcceptableLatencyDifference() { return localThreshold; } /** *

Gets the required replica set name. With this option set, the MongoClient instance will

* *
  1. Connect in replica set mode, and discover all members of the set based on the given servers
  2. Make sure that the set * name reported by all members matches the required set name.
  3. Refuse to service any requests if any member of the seed list is * not part of a replica set with the required name.
* * @return the required replica set name * @since 2.12 */ public String getRequiredReplicaSetName() { return requiredReplicaSetName; } @Override public boolean equals(final Object o) { if (this == o) { return true; } if (o == null || getClass() != o.getClass()) { return false; } MongoClientOptions that = (MongoClientOptions) o; if (localThreshold != that.localThreshold) { return false; } if (alwaysUseMBeans != that.alwaysUseMBeans) { return false; } if (autoConnectRetry != that.autoConnectRetry) { return false; } if (connectTimeout != that.connectTimeout) { return false; } if (connectionsPerHost != that.connectionsPerHost) { return false; } if (cursorFinalizerEnabled != that.cursorFinalizerEnabled) { return false; } if (minHeartbeatFrequency != that.minHeartbeatFrequency) { return false; } if (heartbeatConnectTimeout != that.heartbeatConnectTimeout) { return false; } if (heartbeatFrequency != that.heartbeatFrequency) { return false; } if (heartbeatSocketTimeout != that.heartbeatSocketTimeout) { return false; } if (heartbeatThreadCount != that.heartbeatThreadCount) { return false; } if (maxAutoConnectRetryTime != that.maxAutoConnectRetryTime) { return false; } if (maxConnectionIdleTime != that.maxConnectionIdleTime) { return false; } if (maxConnectionLifeTime != that.maxConnectionLifeTime) { return false; } if (maxWaitTime != that.maxWaitTime) { return false; } if (minConnectionsPerHost != that.minConnectionsPerHost) { return false; } if (socketKeepAlive != that.socketKeepAlive) { return false; } if (socketTimeout != that.socketTimeout) { return false; } if (threadsAllowedToBlockForConnectionMultiplier != that.threadsAllowedToBlockForConnectionMultiplier) { return false; } if (!dbDecoderFactory.equals(that.dbDecoderFactory)) { return false; } if (!dbEncoderFactory.equals(that.dbEncoderFactory)) { return false; } if (description != null ? !description.equals(that.description) : that.description != null) { return false; } if (!readPreference.equals(that.readPreference)) { return false; } if (!socketFactory.getClass().equals(that.socketFactory.getClass())) { return false; } if (!writeConcern.equals(that.writeConcern)) { return false; } if (requiredReplicaSetName != null ? !requiredReplicaSetName.equals(that.requiredReplicaSetName) : that.requiredReplicaSetName != null) { return false; } return true; } @Override public int hashCode() { int result = description != null ? description.hashCode() : 0; result = 31 * result + minConnectionsPerHost; result = 31 * result + connectionsPerHost; result = 31 * result + threadsAllowedToBlockForConnectionMultiplier; result = 31 * result + maxWaitTime; result = 31 * result + maxConnectionIdleTime; result = 31 * result + maxConnectionLifeTime; result = 31 * result + connectTimeout; result = 31 * result + socketTimeout; result = 31 * result + (socketKeepAlive ? 1 : 0); result = 31 * result + (autoConnectRetry ? 1 : 0); result = 31 * result + (int) (maxAutoConnectRetryTime ^ (maxAutoConnectRetryTime >>> 32)); result = 31 * result + readPreference.hashCode(); result = 31 * result + dbDecoderFactory.hashCode(); result = 31 * result + dbEncoderFactory.hashCode(); result = 31 * result + writeConcern.hashCode(); result = 31 * result + (socketFactory != null ? socketFactory.getClass().hashCode() : 0); result = 31 * result + (cursorFinalizerEnabled ? 1 : 0); result = 31 * result + (alwaysUseMBeans ? 1 : 0); result = 31 * result + heartbeatFrequency; result = 31 * result + minHeartbeatFrequency; result = 31 * result + heartbeatConnectTimeout; result = 31 * result + heartbeatSocketTimeout; result = 31 * result + heartbeatThreadCount; result = 31 * result + localThreshold; result = 31 * result + (requiredReplicaSetName != null ? requiredReplicaSetName.hashCode() : 0); return result; } @Override public String toString() { return "MongoClientOptions{" + "description='" + description + '\'' + ", connectionsPerHost=" + connectionsPerHost + ", threadsAllowedToBlockForConnectionMultiplier=" + threadsAllowedToBlockForConnectionMultiplier + ", maxWaitTime=" + maxWaitTime + ", connectTimeout=" + connectTimeout + ", socketTimeout=" + socketTimeout + ", socketKeepAlive=" + socketKeepAlive + ", autoConnectRetry=" + autoConnectRetry + ", maxAutoConnectRetryTime=" + maxAutoConnectRetryTime + ", readPreference=" + readPreference + ", dbDecoderFactory=" + dbDecoderFactory + ", dbEncoderFactory=" + dbEncoderFactory + ", writeConcern=" + writeConcern + ", socketFactory=" + socketFactory + ", cursorFinalizerEnabled=" + cursorFinalizerEnabled + ", alwaysUseMBeans=" + alwaysUseMBeans + ", heartbeatFrequency=" + heartbeatFrequency + ", minHeartbeatFrequency=" + minHeartbeatFrequency + ", heartbeatConnectTimeout=" + heartbeatConnectTimeout + ", heartbeatSocketTimeout=" + heartbeatSocketTimeout + ", heartbeatThreadCount=" + heartbeatThreadCount + ", localThreshold=" + localThreshold + ", requiredReplicaSetName=" + requiredReplicaSetName + '}'; } private MongoClientOptions(final Builder builder) { description = builder.description; minConnectionsPerHost = builder.minConnectionsPerHost; connectionsPerHost = builder.connectionsPerHost; threadsAllowedToBlockForConnectionMultiplier = builder.threadsAllowedToBlockForConnectionMultiplier; maxWaitTime = builder.maxWaitTime; maxConnectionIdleTime = builder.maxConnectionIdleTime; maxConnectionLifeTime = builder.maxConnectionLifeTime; connectTimeout = builder.connectTimeout; socketTimeout = builder.socketTimeout; autoConnectRetry = builder.autoConnectRetry; socketKeepAlive = builder.socketKeepAlive; maxAutoConnectRetryTime = builder.maxAutoConnectRetryTime; readPreference = builder.readPreference; dbDecoderFactory = builder.dbDecoderFactory; dbEncoderFactory = builder.dbEncoderFactory; writeConcern = builder.writeConcern; socketFactory = builder.socketFactory; cursorFinalizerEnabled = builder.cursorFinalizerEnabled; alwaysUseMBeans = builder.alwaysUseMBeans; heartbeatFrequency = builder.heartbeatFrequency; minHeartbeatFrequency = builder.minHeartbeatFrequency; heartbeatConnectTimeout = builder.heartbeatConnectTimeout; heartbeatSocketTimeout = builder.heartbeatSocketTimeout; heartbeatThreadCount = builder.heartbeatThreadCount; localThreshold = builder.localThreshold; requiredReplicaSetName = builder.requiredReplicaSetName; } private final String description; private final int minConnectionsPerHost; private final int connectionsPerHost; private final int threadsAllowedToBlockForConnectionMultiplier; private final int maxWaitTime; private final int maxConnectionIdleTime; private final int maxConnectionLifeTime; private final int connectTimeout; private final int socketTimeout; private final boolean socketKeepAlive; private final boolean autoConnectRetry; private final long maxAutoConnectRetryTime; private final ReadPreference readPreference; private final DBDecoderFactory dbDecoderFactory; private final DBEncoderFactory dbEncoderFactory; private final WriteConcern writeConcern; private final SocketFactory socketFactory; private final boolean cursorFinalizerEnabled; private final boolean alwaysUseMBeans; private final int heartbeatFrequency; private final int minHeartbeatFrequency; private final int heartbeatConnectTimeout; private final int heartbeatSocketTimeout; private final int heartbeatThreadCount; private final int localThreshold; private final String requiredReplicaSetName; }




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