Java Doc for FindMetaPropertyVisitor.java in  » Portal » mypersonalizer » es » udc » mypersonalizer » kernel » model » repository » sql » storers » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » mypersonalizer » es.udc.mypersonalizer.kernel.model.repository.sql.storers   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    es.udc.mypersonalizer.kernel.model.repository.sql.storers.AbstractSQLMetaPropertyVisitor       es.udc.mypersonalizer.kernel.model.repository.sql.storers.FindMetaPropertyVisitor FindMetaPropertyVisitor public class FindMetaPropertyVisitor extends AbstractSQLMetaPropertyVisitor (Code) This class is a concrete Visitor in the "Visitor" pattern. It defines a way to retrieve a Property from a database by means of a object to relational mapping. Each property is kept in one or more database tables. It is responsability of the "Visitor" implementations to make the traverse through the hierarchical structure. author:    Abel Muinho author:    Fernando Bellas since:    1.0 Constructor Summary public   FindMetaPropertyVisitor(Connection connection, ResultSet resultSet, Map key)      Creates an instance of this class. Parameters:   connection - a connection to the database Parameters:   resultSet - the ResultSet that contains the property.The ResultSet could consist of several rows. Method Summary protected  SimpleProperty buildSimpleProperty(MetaSimpleProperty metaProperty, String[] values)      Creates a SimpleProperty given the MetaProperty describing it and it's values as Strings. Parameters:   metaProperty - The SimpleMetaProperty describing thestructure of the Property to be generated. Parameters:   values - String representations of the values to be assigned to theSimpleProperty. protected  PropertyStructure[] getValues(MetaCompoundProperty metaProperty, ResultSet rs)      Creates an array of PropertyStructures representing the contents of the result set. Parameters:   metaProperty - The MetaCompoundProperty. Parameters:   rs - The ResultSet containing the data. protected  String[] getValues(MetaSimpleProperty metaProperty, ResultSet rs)      Gets the values for the properties described by the given MetaSimpleProperty from the ResultSet. Parameters:   metaProperty - Metainformation about the structure of data. Parameters:   rs - The values as retrieved from the database. public  Object visitMetaCompoundProperty(MetaCompoundProperty metaProperty)      Visit operation for a MetaCompoundProperty. Parameters:   metaProperty - the MetaCompoundPropertyobject over which the visitor can operate. public  Object visitMetaSimpleProperty(MetaSimpleProperty metaProperty)      Visit operation for a MetaSimpleProperty. Parameters:   metaProperty - the MetaSimplePropertyobject over which the visitor can operate. Constructor Detail FindMetaPropertyVisitor public FindMetaPropertyVisitor(Connection connection, ResultSet resultSet, Map key)(Code) Creates an instance of this class. Parameters:   connection - a connection to the database Parameters:   resultSet - the ResultSet that contains the property.The ResultSet could consist of several rows. Theproperty returned will contain all the values for all the rowsin the ResultSet. Parameters:   key - the map that contains pairs of key fields and theircorresponding values. This key are related to the row or rowsin the previosly explained result set. Method Detail buildSimpleProperty protected SimpleProperty buildSimpleProperty(MetaSimpleProperty metaProperty, String[] values) throws VisitorException(Code) Creates a SimpleProperty given the MetaProperty describing it and it's values as Strings. Parameters:   metaProperty - The SimpleMetaProperty describing thestructure of the Property to be generated. Parameters:   values - String representations of the values to be assigned to theSimpleProperty. The SimpleProperty created. throws:   VisitorException - if the SimpleProperty can't be built. getValues protected PropertyStructure[] getValues(MetaCompoundProperty metaProperty, ResultSet rs) throws VisitorException(Code) Creates an array of PropertyStructures representing the contents of the result set. Parameters:   metaProperty - The MetaCompoundProperty. Parameters:   rs - The ResultSet containing the data. An array of PropertyStructures representing thecontents of the given ResultSet. throws:   VisitorException - if an error occurs while accessing the data. getValues protected String[] getValues(MetaSimpleProperty metaProperty, ResultSet rs) throws VisitorException(Code) Gets the values for the properties described by the given MetaSimpleProperty from the ResultSet. Parameters:   metaProperty - Metainformation about the structure of data. Parameters:   rs - The values as retrieved from the database. String[] The values for use with Proeprty objects. throws:   VisitorException - if the values can't be fetched from the ResultSet. visitMetaCompoundProperty public Object visitMetaCompoundProperty(MetaCompoundProperty metaProperty) throws VisitorException(Code) Visit operation for a MetaCompoundProperty. Parameters:   metaProperty - the MetaCompoundPropertyobject over which the visitor can operate. an Object of needful for the caller.In this case it's a CompoundPropertyThis is specially interesting for traverse of "Composite"structures. May be a null value throws:   VisitorException - if an internal error occurs while processing the visited object visitMetaSimpleProperty public Object visitMetaSimpleProperty(MetaSimpleProperty metaProperty) throws VisitorException(Code) Visit operation for a MetaSimpleProperty. Parameters:   metaProperty - the MetaSimplePropertyobject over which the visitor can operate. an Object of needful for the caller.In this case it's a SimplePropertyThis is specially interesting for traverse of "Composite"structures. May be a null value throws:   VisitorException - if an internal error occurs while processing the visited object Methods inherited from es.udc.mypersonalizer.kernel.model.repository.sql.storers.AbstractSQLMetaPropertyVisitor protected String allAndKeys()(Code)(Java Doc) protected String allAndKeys(Map map)(Code)(Java Doc) protected void closeStatement(PreparedStatement statement) throws VisitorException(Code)(Java Doc) protected PreparedStatement createStatement(String query) throws VisitorException(Code)(Java Doc) protected ResultSet executeQuery(PreparedStatement statement) throws VisitorException(Code)(Java Doc) protected void executeUpdate(PreparedStatement statement) throws VisitorException(Code)(Java Doc) protected void fillKeyValues(PreparedStatement statement, int paramNumber) throws VisitorException(Code)(Java Doc) protected Connection getConnection()(Code)(Java Doc) protected Map getKey()(Code)(Java Doc) protected String getTableName(MetaProperty metaProperty)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)