org.gcube.data.analysis.tabulardata.query
Class TabularQuery

java.lang.Object
  org.gcube.data.analysis.tabulardata.query.TabularQuery

@Default
public class TabularQuery
extends Object

Constructor Summary

TabularQuery(org.gcube.data.analysis.tabulardata.cube.CubeManager cm)

Method Summary

org.gcube.data.analysis.tabulardata.model.table.Table	generateDatasetView(long tableId) Generate a dataset table view with level view column
int	getSize(long tableId) Get the size (in terms of tuples) of a table
Iterator<String[]>	query(long tableId, int offset, int pagesize)
Iterator<String[]>	query(long tableId, int offset, int pagesize, String orderingColumnName, Order order) Query a table for tuples
String	queryAsJSON(long tableId, int offset, int pagesize)
String	queryAsJSON(long tableId, int offset, int pagesize, String orderingColumnName, Order order)

Methods inherited from class java.lang.Object

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

Constructor Detail

TabularQuery

@Inject
public TabularQuery(org.gcube.data.analysis.tabulardata.cube.CubeManager cm)

Method Detail

getSize

public int getSize(long tableId)

Get the size (in terms of tuples) of a table

Parameters:

tableId - the table id

query

public Iterator<String[]> query(long tableId,
                                int offset,
                                int pagesize,
                                String orderingColumnName,
                                Order order)

Query a table for tuples

Parameters:

tableId - the table id

offset -

pagesize -

orderingColumnName -

order -

query

public Iterator<String[]> query(long tableId,
                                int offset,
                                int pagesize)

queryAsJSON

public String queryAsJSON(long tableId,
                          int offset,
                          int pagesize)

queryAsJSON

public String queryAsJSON(long tableId,
                          int offset,
                          int pagesize,
                          String orderingColumnName,
                          Order order)

generateDatasetView

public org.gcube.data.analysis.tabulardata.model.table.Table generateDatasetView(long tableId)

Generate a dataset table view with level view column

Parameters:

tableId - the id of the dataset table

Returns:

A table representing the generated materialized view table