121 lines
4.6 KiB
Plaintext
121 lines
4.6 KiB
Plaintext
[[java-rest-high-document-delete]]
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=== Delete API
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[[java-rest-high-document-delete-request]]
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==== Delete Request
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A `DeleteRequest` requires the following arguments:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-request]
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--------------------------------------------------
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<1> Index
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<2> Type
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<3> Document id
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==== Optional arguments
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The following arguments can optionally be provided:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-request-routing]
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--------------------------------------------------
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<1> Routing value
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-request-timeout]
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--------------------------------------------------
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<1> Timeout to wait for primary shard to become available as a `TimeValue`
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<2> Timeout to wait for primary shard to become available as a `String`
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-request-refresh]
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--------------------------------------------------
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<1> Refresh policy as a `WriteRequest.RefreshPolicy` instance
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<2> Refresh policy as a `String`
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-request-version]
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--------------------------------------------------
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<1> Version
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-request-version-type]
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--------------------------------------------------
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<1> Version type
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[[java-rest-high-document-delete-sync]]
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==== Synchronous Execution
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-execute]
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--------------------------------------------------
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[[java-rest-high-document-delete-async]]
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==== Asynchronous Execution
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The asynchronous execution of a delete request requires both the `DeleteRequest`
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instance and an `ActionListener` instance to be passed to the asynchronous
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method:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-execute-async]
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--------------------------------------------------
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<1> The `DeleteRequest` to execute and the `ActionListener` to use when
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the execution completes
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The asynchronous method does not block and returns immediately. Once it is
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completed the `ActionListener` is called back using the `onResponse` method
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if the execution successfully completed or using the `onFailure` method if
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it failed.
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A typical listener for `DeleteResponse` looks like:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-execute-listener]
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--------------------------------------------------
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<1> Called when the execution is successfully completed. The response is
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provided as an argument
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<2> Called in case of failure. The raised exception is provided as an argument
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[[java-rest-high-document-delete-response]]
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==== Delete Response
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The returned `DeleteResponse` allows to retrieve information about the executed
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operation as follows:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-response]
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--------------------------------------------------
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<1> Handle the situation where number of successful shards is less than
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total shards
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<2> Handle the potential failures
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It is also possible to check whether the document was found or not:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-notfound]
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--------------------------------------------------
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<1> Do something if the document to be deleted was not found
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If there is a version conflict, an `ElasticsearchException` will
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be thrown:
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["source","java",subs="attributes,callouts,macros"]
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--------------------------------------------------
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include-tagged::{doc-tests}/CRUDDocumentationIT.java[delete-conflict]
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--------------------------------------------------
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<1> The raised exception indicates that a version conflict error was returned
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