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Adds an example use of pagination.

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Joel Dudley 2017-12-05 11:00:27 +00:00 committed by GitHub
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commit 183fa729e4
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docs/source/api-vault-query.rst
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@ -176,6 +176,17 @@ define a ``PageSpecification`` to correctly process results with efficient memor
place to alert API users to the need for pagination where a single query returns more than 200 results and no place to alert API users to the need for pagination where a single query returns more than 200 results and no
``PageSpecification`` has been supplied. ``PageSpecification`` has been supplied.
Here's a query that extracts every unconsumed ``ContractState`` from the vault in pages of size 200, starting from the
default page number (page one):
.. container:: codeset
.. sourcecode:: kotlin
val vaultSnapshot = proxy.vaultQueryBy<ContractState>(
QueryCriteria.VaultQueryCriteria(Vault.StateStatus.UNCONSUMED),
PageSpecification(DEFAULT_PAGE_NUM, 200))
.. note:: A pages maximum size ``MAX_PAGE_SIZE`` is defined as ``Int.MAX_VALUE`` and should be used with extreme .. note:: A pages maximum size ``MAX_PAGE_SIZE`` is defined as ``Int.MAX_VALUE`` and should be used with extreme
caution as results returned may exceed your JVM's memory footprint. caution as results returned may exceed your JVM's memory footprint.