SelectQuery (communication-query 0.1.0.M1 API)

All Superinterfaces:

Query
```
public interface SelectQuery
extends Query
```
The select statement reads one or more fields for one or more entities. It returns a result-set of the entities matching the request, where each entity contains the fields for corresponding to the query.

Nested Class Summary

Nested Classes
Modifier and Type Interface and Description

static interface SelectQuery.SelectQueryProvider
A provider to SelectQuery

Nested Classes
Modifier and Type	Interface and Description
`static interface`	`SelectQuery.SelectQueryProvider` A provider to `SelectQuery`

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`String`	`getEntity()` The entity name
`List<String>`	`getFields()` The fields that will retrieve in this query, if this fields is empty, this query will retrieve the whole entity.
`long`	`getLimit()` Statement limits the number of rows returned by a query,
`List<Sort>`	`getOrderBy()` The list of orders, it is used to sort the result-set in ascending or descending order.
`long`	`getSkip()` Statement defines where the query should start
`Optional<Where>`	`getWhere()` The condition at this `SelectQuery`, if the Where is empty that means may retrieve the whole entities.
`static SelectQuery`	`parse(String query)` Obtains an instance of `SelectQuery` from a text string.

- Method Detail
  - getFields
```
List<String> getFields()
```
    The fields that will retrieve in this query, if this fields is empty, this query will retrieve the whole entity.
    
    Returns:
    
    the fields list
  - getEntity
```
String getEntity()
```
    The entity name
    
    Returns:
    
    the entity name
  - getWhere
```
Optional<Where> getWhere()
```
    The condition at this SelectQuery, if the Where is empty that means may retrieve the whole entities.
    
    Returns:
    
    the Where entity otherwise Optional.empty()
  - getSkip
```
long getSkip()
```
    Statement defines where the query should start
    
    Returns:
    
    the number to skip, otherwise either negative value or zero
  - getLimit
```
long getLimit()
```
    Statement limits the number of rows returned by a query,
    
    Returns:
    
    the maximum of result, otherwise either negative value or zero
  - getOrderBy
```
List<Sort> getOrderBy()
```
    The list of orders, it is used to sort the result-set in ascending or descending order.
    
    Returns:
    
    the order list
  - parse
```
static SelectQuery parse(String query)
```
    Obtains an instance of SelectQuery from a text string.
    
    Parameters:
    
    query - the query
    
    Returns:
    
    SelectQuery instance
    
    Throws:
    
    NullPointerException - when the query is null
    
    QuerySyntaxException - if the text cannot be parsed
    
    ProviderNotFoundException - when the provider is not found

Interface SelectQuery

Nested Class Summary

Method Summary

Method Detail

getFields

getEntity

getWhere

getSkip

getLimit

getOrderBy

parse