Package com.couchbase.client.core.msg.kv
Class GetMetaRequest
- java.lang.Object
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- com.couchbase.client.core.msg.BaseRequest<R>
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- com.couchbase.client.core.msg.kv.BaseKeyValueRequest<GetMetaResponse>
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- com.couchbase.client.core.msg.kv.GetMetaRequest
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- All Implemented Interfaces:
KeyValueRequest<GetMetaResponse>
,Request<GetMetaResponse>
,ScopedRequest
public class GetMetaRequest extends BaseKeyValueRequest<GetMetaResponse>
Represents a kv get meta operation.- Since:
- 2.0.0
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Field Summary
Fields Modifier and Type Field Description static String
OPERATION_NAME_EXISTS
Note: since we use getMeta for exists, the command is different.
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Constructor Summary
Constructors Constructor Description GetMetaRequest(String key, Duration timeout, CoreContext ctx, CollectionIdentifier collectionIdentifier, RetryStrategy retryStrategy, InternalSpan span)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description GetMetaResponse
decode(com.couchbase.client.core.deps.io.netty.buffer.ByteBuf response, KeyValueChannelContext ctx)
Decode the encoded response into its message representation.com.couchbase.client.core.deps.io.netty.buffer.ByteBuf
encode(com.couchbase.client.core.deps.io.netty.buffer.ByteBufAllocator alloc, int opaque, KeyValueChannelContext ctx)
Encode this request with the given allocator and opaque.boolean
idempotent()
Returns if the given request is idempotent or not.-
Methods inherited from class com.couchbase.client.core.msg.kv.BaseKeyValueRequest
bucket, collectionIdentifier, encodedKeyWithCollection, key, nextOpaque, opaque, operationId, partition, partition, serviceContext, serviceType
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Methods inherited from class com.couchbase.client.core.msg.BaseRequest
absoluteTimeout, cancel, cancellationReason, cancelled, completed, context, createdAt, fail, failed, id, internalSpan, response, retryStrategy, succeed, succeeded, timeout, timeoutElapsed
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.couchbase.client.core.msg.Request
absoluteTimeout, cancel, cancellationReason, cancelled, completed, context, createdAt, fail, failed, id, internalSpan, response, retryStrategy, succeed, succeeded, timeout, timeoutElapsed
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Field Detail
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OPERATION_NAME_EXISTS
public static final String OPERATION_NAME_EXISTS
Note: since we use getMeta for exists, the command is different.- See Also:
- Constant Field Values
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Constructor Detail
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GetMetaRequest
public GetMetaRequest(String key, Duration timeout, CoreContext ctx, CollectionIdentifier collectionIdentifier, RetryStrategy retryStrategy, InternalSpan span)
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Method Detail
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encode
public com.couchbase.client.core.deps.io.netty.buffer.ByteBuf encode(com.couchbase.client.core.deps.io.netty.buffer.ByteBufAllocator alloc, int opaque, KeyValueChannelContext ctx)
Description copied from interface:KeyValueRequest
Encode this request with the given allocator and opaque.- Parameters:
alloc
- the allocator where to grab the buffers from.opaque
- the opaque value to use.ctx
- more encode context.- Returns:
- the encoded request as a
ByteBuf
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decode
public GetMetaResponse decode(com.couchbase.client.core.deps.io.netty.buffer.ByteBuf response, KeyValueChannelContext ctx)
Description copied from interface:KeyValueRequest
Decode the encoded response into its message representation.- Parameters:
response
- the response to decode.- Returns:
- the decoded response as the generic type R.
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idempotent
public boolean idempotent()
Description copied from interface:Request
Returns if the given request is idempotent or not.By default, this method always returns false for data consistency reasons. Only specific idempotent operations should override this default since it impacts retry handling quite a bit. DO NOT SET THIS TO TRUE ON MUTATING OPERATIONS!
- Returns:
- true if idempotent.
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