Package org.apache.calcite.adapter.elasticsearch

Class ElasticsearchSchemaFactory

java.lang.Object

org.apache.calcite.adapter.elasticsearch.ElasticsearchSchemaFactory

All Implemented Interfaces:

SchemaFactory

public class ElasticsearchSchemaFactory
extends Object
implements SchemaFactory

Factory that creates an ElasticsearchSchema.

Allows a custom schema to be included in a model.json file.

Constructor Summary

Constructors

Constructor	Description
ElasticsearchSchemaFactory()

Method Summary

Modifier and Type	Method	Description
Schema	create(SchemaPlus parentSchema, String name, Map<String,Object> operand)	Create an ElasticSearch Schema.
protected static List<org.apache.http.HttpHost>	getSortedHost(List<org.apache.http.HttpHost> hosts)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ElasticsearchSchemaFactory

public ElasticsearchSchemaFactory()

Method Details

create

public Schema create(SchemaPlus parentSchema,
 String name,
 Map<String,Object> operand)

Create an ElasticSearch Schema. The operand property accepts the following key/value pairs:

• username: The username for the ES cluster
• password: The password for the ES cluster
• hosts: A List of hosts for the ES cluster. Either the hosts or coordinates must be populated.
• coordinates: A List of coordinates for the ES cluster. Either the hosts list or the coordinates list must be populated.
• disableSSLVerification: A boolean parameter to disable SSL verification. Defaults to false. This should always be set to false for production systems.

Specified by:

create in interface SchemaFactory

Parameters:

parentSchema - Parent schema

name - Name of this schema

operand - The "operand" JSON property

Returns:

Returns a Schema for the ES cluster.

getSortedHost

protected static List<org.apache.http.HttpHost> getSortedHost(List<org.apache.http.HttpHost> hosts)