org.apache.metamodel.elasticsearch.common

Class ElasticSearchUtils

java.lang.Object

org.apache.metamodel.elasticsearch.common.ElasticSearchUtils

public class ElasticSearchUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD_ID

Constructor Summary

Constructors

Constructor and Description
ElasticSearchUtils()

Method Summary

Modifier and Type	Method and Description
static org.elasticsearch.index.query.QueryBuilder	createQueryBuilderForSimpleWhere(List<FilterItem> whereItems, LogicalOperator logicalOperator) Creates, if possible, a QueryBuilder object which can be used to push down one or more FilterItems to ElasticSearch's backend.
static ColumnType	getColumnTypeFromElasticSearchType(String metaDataFieldType)
static org.elasticsearch.index.query.QueryBuilder	getExistsQuery(String fieldName)
static org.elasticsearch.index.query.QueryBuilder	getMissingQuery(String fieldName)
static List<Object>	getSourceProperties(MutableTable table)

Methods inherited from class java.lang.Object

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

Field Detail

FIELD_ID

public static final String FIELD_ID

See Also:

Constant Field Values

Constructor Detail

ElasticSearchUtils

public ElasticSearchUtils()

Method Detail

getMissingQuery

public static org.elasticsearch.index.query.QueryBuilder getMissingQuery(String fieldName)

getExistsQuery

public static org.elasticsearch.index.query.QueryBuilder getExistsQuery(String fieldName)

getSourceProperties

public static List<Object> getSourceProperties(MutableTable table)

createQueryBuilderForSimpleWhere

public static org.elasticsearch.index.query.QueryBuilder createQueryBuilderForSimpleWhere(List<FilterItem> whereItems,
                                                                                          LogicalOperator logicalOperator)

Creates, if possible, a QueryBuilder object which can be used to push down one or more FilterItems to ElasticSearch's backend.

Returns:

a QueryBuilder if one was produced, or null if the items could not be pushed down to an ElasticSearch query

getColumnTypeFromElasticSearchType

public static ColumnType getColumnTypeFromElasticSearchType(String metaDataFieldType)