de.ipcon.db.oql

Class SQLQuery

java.lang.Object

de.ipcon.db.oql.SQLQuery

public class SQLQuery
extends java.lang.Object

Holds the SQL generated by the OQLQuery. The idea is to be able to generate more then one SQLQuery object out from one already parsed OQL Query, as the query might differ a bit regarding the given parameters (list parameters and such).

Author:

Patric Bechtel

Constructor Summary

Constructors

Constructor and Description
SQLQuery(java.lang.String query, java.lang.Object[] args, java.lang.Class<?> resultClass, int expectedRows)
SQLQuery(java.lang.String query, java.lang.Object[] args, java.lang.Class<?> resultClass, int expectedRows, int limit, boolean sorted, FilterNode filterPart)

Method Summary

Modifier and Type	Method and Description
java.lang.Object[]	getArgs()
int	getExpectedRows() returns -1 if unknown, and a positive int otherwise
java.util.function.Predicate<BOI>	getFilterPredicate()
java.lang.String	getQuery()
java.lang.Class	getResultClass()
boolean	isSorted()
static SQLQuery	ofOQL(SchemaI schema, java.lang.String oqlQuery, java.lang.Object[] parameters) Creates a new SQLQuery object based on the provided CBOSchema, oql query and parameters.

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLQuery

public SQLQuery(java.lang.String query,
                java.lang.Object[] args,
                java.lang.Class<?> resultClass,
                int expectedRows)

SQLQuery

public SQLQuery(java.lang.String query,
                java.lang.Object[] args,
                java.lang.Class<?> resultClass,
                int expectedRows,
                int limit,
                boolean sorted,
                FilterNode filterPart)

Method Detail

getQuery

public java.lang.String getQuery()

getArgs

public java.lang.Object[] getArgs()

getResultClass

public java.lang.Class getResultClass()

getExpectedRows

public int getExpectedRows()

returns -1 if unknown, and a positive int otherwise

isSorted

public boolean isSorted()

getFilterPredicate

public java.util.function.Predicate<BOI> getFilterPredicate()

ofOQL

public static SQLQuery ofOQL(SchemaI schema,
                             java.lang.String oqlQuery,
                             java.lang.Object[] parameters)
                      throws OQLException

Creates a new SQLQuery object based on the provided CBOSchema, oql query and parameters.

Parameters:

schema - the schema to use for determining attribute types in the oql query, nonnull.

oqlQuery - the oql query string, nonnull

parameters - a list of parameters for the oql query

Returns:

the sql query for this oql query and parameters, nonnull.

Throws:

OQLException - if the oql query could not be parsed and contains errors.