java.lang.Object

bayern.steinbrecher.dbConnector.query.QueryGenerator

public class QueryGenerator
extends java.lang.Object

Method Summary

Modifier and Type	Method	Description
`@NotNull java.lang.String`	`generateCheckDatabaseExistenceStatement(@NotNull java.lang.String dbName)`	Since database connections currently (220-10-22) require to specify a database already on creation there not too much use in checking the existence of the database already connected to, i.e. this query is not too useful.
`@NotNull java.lang.String`	`generateCreateTableStatement(@NotNull java.lang.String dbName, @NotNull TableScheme<?,?> tableScheme)`
`@NotNull java.lang.String`	`generateQueryColumnNamesAndTypesStatement(@NotNull java.lang.String dbName, DBConnection.Table<?,?> table)`
`@NotNull java.lang.String`	`generateQueryTableNamesStatement(@NotNull java.lang.String dbName)`
`@NotNull java.lang.String`	`generateSearchQueryStatement(@NotNull java.lang.String dbName, DBConnection.Table<?,?> table, @NotNull java.lang.Iterable<DBConnection.Column<?>> columnsToSelect, @NotNull java.lang.Iterable<QueryCondition<?>> conditions)`
`@NotNull java.util.Optional<java.lang.String>`	`getType(@NotNull java.lang.Class<?> columnType)`
`@NotNull java.util.Optional<java.lang.Class<?>>`	`getType(@NotNull java.lang.String sqlType)`	Returns the class used for representing values of the given SQL type.
`@NotNull java.lang.String`	`quoteIdentifier(@NotNull java.lang.String identifier)`

Methods inherited from class java.lang.Object

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

Method Details
- getType
  
  @NotNull public @NotNull java.util.Optional<java.lang.Class<?>> getType(@NotNull @NotNull java.lang.String sqlType)
  
  Returns the class used for representing values of the given SQL type.
  
  Parameters:
  
  sqlType - The type to get a class for.
  
  Returns:
  
  An Optional containing the Class representing the appropriate SQL type. Returns Optional.empty() if and only if for sqlType no class is defined.
- getType
  
  @NotNull public @NotNull java.util.Optional<java.lang.String> getType(@NotNull @NotNull java.lang.Class<?> columnType)
- quoteIdentifier
  
  @NotNull public @NotNull java.lang.String quoteIdentifier(@NotNull @NotNull java.lang.String identifier)
- generateCheckDatabaseExistenceStatement
  
  @NotNull public @NotNull java.lang.String generateCheckDatabaseExistenceStatement(@NotNull @NotNull java.lang.String dbName) throws GenerationFailedException
  
  Since database connections currently (220-10-22) require to specify a database already on creation there not too much use in checking the existence of the database already connected to, i.e. this query is not too useful.
  
  Throws:
  
  GenerationFailedException
- generateCreateTableStatement
  
  @NotNull public @NotNull java.lang.String generateCreateTableStatement(@NotNull @NotNull java.lang.String dbName, @NotNull @NotNull TableScheme<?,?> tableScheme) throws GenerationFailedException
  
  Throws:
  
  GenerationFailedException
- generateQueryTableNamesStatement
  
  @NotNull public @NotNull java.lang.String generateQueryTableNamesStatement(@NotNull @NotNull java.lang.String dbName) throws GenerationFailedException
  
  Throws:
  
  GenerationFailedException
- generateQueryColumnNamesAndTypesStatement
  
  @NotNull public @NotNull java.lang.String generateQueryColumnNamesAndTypesStatement(@NotNull @NotNull java.lang.String dbName, @NotNull DBConnection.Table<?,?> table) throws GenerationFailedException
  
  Throws:
  
  GenerationFailedException
- generateSearchQueryStatement
  
  @NotNull public @NotNull java.lang.String generateSearchQueryStatement(@NotNull @NotNull java.lang.String dbName, @NotNull DBConnection.Table<?,?> table, @NotNull @NotNull java.lang.Iterable<DBConnection.Column<?>> columnsToSelect, @NotNull @NotNull java.lang.Iterable<QueryCondition<?>> conditions) throws GenerationFailedException
  
  Parameters:
  
  columnsToSelect - If empty all columns are selected (SELECT *).
  
  conditions - List of conditions which is combined as conjunction.
  
  Throws:
  
  GenerationFailedException

Class QueryGenerator

Method Summary

Methods inherited from class java.lang.Object

Method Details