org.apache.metamodel.factory

Class AbstractDataContextFactory

java.lang.Object

org.apache.metamodel.factory.AbstractDataContextFactory

All Implemented Interfaces:

DataContextFactory

Direct Known Subclasses:

ArffDataContextFactory, CassandraDataContextFactory, CouchDbDataContextFactory, CsvDataContextFactory, DynamoDbDataContextFactory, ExcelDataContextFactory, FixedWidthDataContextFactory, HbaseDataContextFactory, JdbcDataContextFactory, JsonDataContextFactory, PojoDataContextFactory, SalesforceDataContextFactory, SugarCrmDataContextFactory

public abstract class AbstractDataContextFactory
extends Object
implements DataContextFactory

Abstract implementation of DataContextFactory with utility methods for easier subclass implementation.

Constructor Summary

Constructors

Constructor and Description
AbstractDataContextFactory()

Method Summary

Modifier and Type	Method and Description
boolean	accepts(DataContextProperties properties, ResourceFactoryRegistry resourceFactoryRegistry)
protected boolean	getBoolean(Object value, boolean ifNull)
protected char	getChar(Object value, char ifNull)
protected int	getInt(Object value, int ifNull)
protected String	getString(Object value, String ifNull)
protected abstract String	getType() Gets the "type" value for the DataContexts that this factory produces.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.metamodel.factory.DataContextFactory

create

Constructor Detail

AbstractDataContextFactory

public AbstractDataContextFactory()

Method Detail

getType

protected abstract String getType()

Gets the "type" value for the DataContexts that this factory produces. By convention these are lower-case terms such as "csv" or "jdbc", and separated by dash in case it requires multiple terms, e.g. "fixed-width".

Returns:

accepts

public final boolean accepts(DataContextProperties properties,
                             ResourceFactoryRegistry resourceFactoryRegistry)

Specified by:

accepts in interface DataContextFactory

getString

protected String getString(Object value,
                           String ifNull)

getInt

protected int getInt(Object value,
                     int ifNull)

getBoolean

protected boolean getBoolean(Object value,
                             boolean ifNull)

getChar

protected char getChar(Object value,
                       char ifNull)