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Informations about the package elasticsearch-7-connector

Elasticsearch-7-Connector

An abstract php connector for elasticsearch 7.

How to use?

This library provides abstract classes with base functionalities. Your domain classes (e.g. repositories, event handlers or command processors) should extend the AbstractConnector or, if you want to use parallel indices, the AbstractParallelIndexConnector.

Method provided by abstract classes

All methods are defined as protected and designed for internal usage in your extending class.

AbstractConnector:

Method Description
getConnection() Returns the current elasticsearch client instance.
getIndexName($type) Returns the current index name for the given type.
createIndex($type, $overwrite) Creates the given index and all pipelines with the definitions for the given type.
dropIndex($type) Drops the given index an all pipelines for the type.
storeDocument($type, $id, $data, $parameters) Stores a document, identified by type and id, to the current elasticsearch index. $data has to contain the document sources while $parameters could contain optional parameters for the elasticsearch request.
removeDocument($type, $id) Removes a document, identified by type and id, from the current elasticsearch index.
executeBulk($force) Executes all bulk actions if forced or bulk size is reached

AbstractParallelIndexConnector:

Method Description
migrateToParallelIndex($type, $removeOldIndex) Creates the parallel index, migrates all documents from current index to parallel index, switches the current index to parallel index and then deletes the old index (if remove old index is true)
reindexDocumentsToParallelIndex($hits, $type) Bulk index all hits to the parallel index for the given type.

Dependencies

The AbstractConnector requires an instance of ConnectionFactoryInterface and an instance of IndexDefinerInterface (AbstractParallelIndexConnector instead requires ParellelIndexDefinerInterface).

Optional you can provide a bulkSize. If the bulkSize, which is 0 by default, is greater then 1, bulk requests with the given bulk size will be executed instead of single requests for each storage operation.

ConnectionFactoryInterface

The connection factory is responsible for creating instances of Elasticsearch\Client.

The provided implementation of ConnectionFactoryInterface is SimpleConnectionFactory, which will take a single (!) dsn (scheme://host:port) as constructor argument.

IndexDefinerInterface

Index definers provide methods, which contains/creates the elasticsearch definition of a specific index.

An index definer can provide more then one index definition but only one for each type.

Each type will be stored in its own index.

If you want to use one index definer for each type, your index definers could extend AbstractIndexDefiner and can be added to an instance of IndexDefinerRegistry.

If you want to prefix all your index names with the same base name, you could wrap the IndexDefinerRegistry into an instance of PrefixedIndexDefiner (its also possible to wrap each single index definer into its own PrefixedIndexDefiner or define full index names directly in your index definer).

Docker / Docker Compose

For local development a docker container with all required components (php, composer) can be created and used:

Build and start the container

Execute a command in the container (here "composer install"):

All versions of elasticsearch-7-connector with dependencies

PHP Build Version
Package Version
Requires php Version >=7.2
elasticsearch/elasticsearch Version ^7.0
psr/log Version ^1.0
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