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The official Couchbase Scala SDK
/*
* Copyright (c) 2020 Couchbase, 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.couchbase.client.scala.kv
import java.time.Instant
import com.couchbase.client.core.cnc.RequestSpan
import com.couchbase.client.core.retry.RetryStrategy
import com.couchbase.client.scala.codec.Transcoder
import com.couchbase.client.scala.durability.Durability
import com.couchbase.client.scala.durability.Durability.Disabled
import scala.concurrent.duration.{Duration, _}
/** Provides control over how an decrement operation is performed.
*/
case class DecrementOptions(
private[scala] val initial: Option[Long] = None,
private[scala] val durability: Durability = Disabled,
private[scala] val timeout: Duration = Duration.MinusInf,
private[scala] val parentSpan: Option[RequestSpan] = None,
private[scala] val retryStrategy: Option[RetryStrategy] = None,
// null is not very Scala, but is required for backwards-compatibility
private[scala] val expiry: Duration = null,
private[scala] val expiryTime: Option[Instant] = None
) {
/** The amount to initialise the document too, if it does not exist. If this is
* not set, and the document does not exist, Failure(DocumentDoesNotExistException) will be
* returned
*
* @return a copy of this with the change applied, for chaining.
*/
def initial(value: Long): DecrementOptions = {
copy(initial = Some(value))
}
/** Changes the durability setting used for this operation.
*
* Writes in Couchbase are written to a single node, and from there the Couchbase Server will
* take care of sending that mutation to any configured replicas. This parameter provides
* some control over ensuring the success of the mutation's replication. See
* [[com.couchbase.client.scala.durability.Durability]].
*
* If not specified, it defaults to [[com.couchbase.client.scala.durability.Durability.Disabled]].
*
* @return a copy of this with the change applied, for chaining.
*/
def durability(value: Durability): DecrementOptions = {
copy(durability = value)
}
/** Changes the timeout setting used for this operation.
*
* When the operation will timeout. This will default to `timeoutConfig().kvTimeout()` in the
* [[com.couchbase.client.scala.env.ClusterEnvironment]].
*
* @return a copy of this with the change applied, for chaining.
*/
def timeout(value: Duration): DecrementOptions = {
copy(timeout = value)
}
/** Changes the parent span setting used for this operation.
*
* This allows tracing requests through a full distributed system.
*
* @return a copy of this with the change applied, for chaining.
*/
def parentSpan(value: RequestSpan): DecrementOptions = {
copy(parentSpan = Some(value))
}
/** Changes the parent span setting used for this operation.
*
* This allows tracing requests through a full distributed system.
*
* This Option-overload is provided as a convenience to help with chaining.
*
* @return a copy of this with the change applied, for chaining.
*/
def parentSpan(value: Option[RequestSpan]): DecrementOptions = {
copy(parentSpan = value)
}
/** Provides some control over how the SDK handles failures. Will default to `retryStrategy()`
* in the provided [[com.couchbase.client.scala.env.ClusterEnvironment]], which by default is
* `BestEffortRetryStrategy`; this will automatically retry some operations (e.g. non-mutating ones, or mutating
* operations that have unambiguously failed before they mutated state) until the chosen timeout.
*
* @return a copy of this with the change applied, for chaining.
*/
def retryStrategy(value: RetryStrategy): DecrementOptions = {
copy(retryStrategy = Some(value))
}
/** Changes the expiry setting used for this operation.
*
* CAVEAT: If the counter document already exists, this option is ignored
* and the document's current expiry is preserved.
*
* This overload should be used for any expiration times < 30 days. If over that, use the overload that takes an
* `Instant` instead.
*
* Couchbase documents optionally can have an expiration field set, e.g. when they will
* automatically expire and be removed. On mutations if this is left at the default (null), then any expiry
* will be removed and the document will never expire. If the application wants to preserve
* expiration then they should use the `withExpiration` parameter on any gets, and provide
* the returned expiration parameter to any mutations.
*
* @return a copy of this with the change applied, for chaining.
*/
def expiry(value: Duration): DecrementOptions = {
copy(expiry = value)
}
/** Changes the expiry setting used for this operation.
*
* CAVEAT: If the counter document already exists, this option is ignored
* and the document's current expiry is preserved.
*
* This overload should be used for any expiration times < 30 days. If over that, use the overload that takes an
* `Instant` instead.
*
* Couchbase documents optionally can have an expiration field set, e.g. when they will
* automatically expire and be removed. On mutations if this is left at the default (null), then any expiry
* will be removed and the document will never expire. If the application wants to preserve
* expiration then they should use the `withExpiration` parameter on any gets, and provide
* the returned expiration parameter to any mutations.
*
* This Option-overload is provided as a convenience to help with chaining.
*
* @return a copy of this with the change applied, for chaining.
*/
def expiry(value: Option[Duration]): DecrementOptions = {
value match {
case Some(x) => copy(expiry = x)
case _ => this
}
}
/** Changes the expiry setting used for this operation.
*
* CAVEAT: If the counter document already exists, this option is ignored
* and the document's current expiry is preserved.
*
* This overload should be used for any expiration times >= 30 days. If below that, use the overload that takes a
* `Duration` instead.
*
* Couchbase documents optionally can have an expiration field set, e.g. when they will
* automatically expire and be removed. On mutations if this is left at the default (0), then any expiry
* will be removed and the document will never expire. If the application wants to preserve
* expiration then they should use the `withExpiration` parameter on any gets, and provide
* the returned expiration parameter to any mutations.
*
* @return a copy of this with the change applied, for chaining.
*/
def expiry(value: Instant): DecrementOptions = {
copy(expiryTime = Some(value))
}
}