org.eclipse.persistence.jpa.jpql

Interface EclipseLinkSemanticValidatorExtension

public interface EclipseLinkSemanticValidatorExtension

This extension provides additional support to semantic validation by adding support for non-JPA specific artifacts, such as database objects.

Version:

2.5

Author:

Pascal Filion

Since:

2.5

Field Summary

Fields

Modifier and Type	Field and Description
static EclipseLinkSemanticValidatorExtension	NULL_EXTENSION A null-instance of this extension.

Method Summary

Modifier and Type	Method and Description
boolean	columnExists(java.lang.String tableName, java.lang.String columnName) Determines whether the column with the given name exists or not in the table with the given name.
java.lang.String	getEntityTable(java.lang.String entityName) Returns the name of the primary table defined for the entity with the given name.
boolean	tableExists(java.lang.String tableName) Determines whether the table with the given exists or not.

Field Detail

NULL_EXTENSION

static final EclipseLinkSemanticValidatorExtension NULL_EXTENSION

A null-instance of this extension.

Method Detail

columnExists

boolean columnExists(java.lang.String tableName,
                     java.lang.String columnName)

Determines whether the column with the given name exists or not in the table with the given name.

Parameters:

tableName - The name of the table to look for the column

columnName - The name of the column to determine its existence

Returns:

true if the column exists; false otherwise

getEntityTable

java.lang.String getEntityTable(java.lang.String entityName)

Returns the name of the primary table defined for the entity with the given name.

Parameters:

entityName - The name of the entity

Returns:

The name of the entity's primary table

tableExists

boolean tableExists(java.lang.String tableName)

Determines whether the table with the given exists or not.

Parameters:

tableName - The name of the table to determine its existence

Returns:

true if the table exists; false otherwise