Revision 889
| trunk/libraries/libGDBMS/src/com/hardcode/gdbms/engine/FilteredDataSource.java | ||
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package com.hardcode.gdbms.engine; |
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import java.io.IOException; |
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import java.util.BitSet; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DriverException; |
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* |
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* @throws DriverException Si se produce un fallo en el driver al acceder a |
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* los datos |
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* @throws IOException Si se produce un error accediendo al DataSource |
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* subyacente |
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* @throws IOException Si se produce un error usando las estructuras de datos internas |
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* @throws SemanticException Si se produce alg?n error sem?ntico al evaluar |
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* la expresi?n |
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* @throws IncompatibleTypesException Si la expresi?n where no evalua a |
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public ReadDriver getDriver() {
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return null; |
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} |
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/** |
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* @throws IOException |
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* @see com.hardcode.gdbms.engine.data.DataSource#getWhereFilter() |
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*/ |
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public long[] getWhereFilter() throws IOException {
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return indexes.getIndexes(); |
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} |
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} |
| trunk/libraries/libGDBMS/src/com/hardcode/gdbms/engine/data/DataSource.java | ||
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package com.hardcode.gdbms.engine.data; |
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import java.io.IOException; |
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import java.util.BitSet; |
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/** |
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* Interfaz que define los origenes de datos para operaciones internas del |
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* motor de base de datos |
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* @author Fernando Gonz?lez Cort?s |
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*/ |
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public interface DataSource extends FieldNameAccess, ReadDriver {
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/**
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* Avisa al driver de que van a realizarse operaciones sobre ?l. El driver
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* deber? de abrir el fichero, conectar a la base de datos
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*
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* @throws DriverException Si se produce alg?n error abriendo el DataSource
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*/
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void start() throws DriverException;
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/**
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* Avisa al driver de que van a realizarse operaciones sobre ?l. El driver
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* deber? de abrir el fichero, conectar a la base de datos
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*
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* @throws DriverException Si se produce alg?n error abriendo el DataSource
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*/
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void start() throws DriverException;
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/**
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* Cierra el DataSource. Todo acceso que no se sit?e temporalmente entre un
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* start y un stop tendr? un comportamiento indeterminado
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*
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* @throws DriverException Si se produce un error cerrando la fuente de
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* datos
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*/
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void stop() throws DriverException;
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/**
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* Cierra el DataSource. Todo acceso que no se sit?e temporalmente entre un
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* start y un stop tendr? un comportamiento indeterminado
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*
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* @throws DriverException Si se produce un error cerrando la fuente de
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* datos
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*/
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void stop() throws DriverException;
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/**
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* Devuelve el nombre del DataSource
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*
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* @return nombre de la tabla
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*/
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String getName();
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/**
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* Devuelve el nombre del DataSource
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*
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* @return nombre de la tabla
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*/
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String getName();
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/**
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* Devuelve el dbms de DataSource, o null si no tiene uno solo
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*
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* @return nombre del dbms
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*/
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String getDBMS();
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/**
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* Devuelve el dbms de DataSource, o null si no tiene uno solo
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*
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* @return nombre del dbms
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*/
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String getDBMS();
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/** |
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* Devuelve true si el driver que hay por debajo permite ejecutar |
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* instrucciones SQL (si implementa la interfaz Delegable |
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* |
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* @return boolean |
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*/ |
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ReadDriver getDriver(); |
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/** |
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* Devuelve true si el driver que hay por debajo permite ejecutar |
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* instrucciones SQL (si implementa la interfaz Delegable |
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* |
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* @return boolean |
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*/ |
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ReadDriver getDriver(); |
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/** |
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* Devuelve el filtro que result? de la cl?usula where |
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* de la instrucci?n que di? como resultado este DataSource. |
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* |
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* @return Filtro de la cl?usula where o null si el DataSource no es |
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* resultado de una instrucci?n con cl?usula where |
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* @throws IOException Si se produce un error accediendo a las estructuras de datos internas |
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*/ |
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long[] getWhereFilter() throws IOException; |
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} |
| trunk/libraries/libGDBMS/src/com/hardcode/gdbms/engine/data/DefaultDataSource.java | ||
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/* Generated by Together */ |
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package com.hardcode.gdbms.engine.data; |
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import java.util.BitSet; |
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import com.hardcode.gdbms.engine.data.indexes.FixedIndexSet; |
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/** |
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* Implementaci?n del tipo de datos DataSource. Decorator sobre el driver |
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public String getDBMS() {
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return dbms; |
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} |
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public long[] getWhereFilter() {
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return null; |
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} |
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} |
| trunk/libraries/libGDBMS/src/com/hardcode/gdbms/engine/data/indexes/IndexSetImpl.java | ||
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public void close() throws IOException {
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set.close(); |
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} |
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/** |
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* @throws IOException |
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* @see com.hardcode.gdbms.engine.data.indexes.VariableIndexSet#getIndexes() |
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*/ |
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public long[] getIndexes() throws IOException {
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return set.getIndexes(); |
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} |
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} |
| trunk/libraries/libGDBMS/src/com/hardcode/gdbms/engine/PDataSource.java | ||
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package com.hardcode.gdbms.engine; |
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import java.io.IOException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DriverException; |
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import com.hardcode.gdbms.engine.data.FieldNameAccessSupport; |
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public ReadDriver getDriver() {
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return null; |
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} |
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/** |
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* @see com.hardcode.gdbms.engine.data.DataSource#getWhereFilter() |
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*/ |
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public long[] getWhereFilter() throws IOException {
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return null; |
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} |
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} |
| trunk/libraries/libGDBMS/src/com/hardcode/gdbms/engine/UnionDataSource.java | ||
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package com.hardcode.gdbms.engine; |
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import java.io.IOException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DriverException; |
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import com.hardcode.gdbms.engine.data.ReadDriver; |
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public ReadDriver getDriver() {
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return null; |
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} |
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/** |
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* @see com.hardcode.gdbms.engine.data.DataSource#getWhereFilter() |
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*/ |
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public long[] getWhereFilter() throws IOException {
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return null; |
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} |
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} |
| trunk/libraries/libGDBMS/src/com/hardcode/gdbms/engine/ProjectionDataSource.java | ||
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package com.hardcode.gdbms.engine; |
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import java.io.IOException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.data.DriverException; |
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import com.hardcode.gdbms.engine.data.ReadDriver; |
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public ReadDriver getDriver() {
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return null; |
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} |
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/** |
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* @see com.hardcode.gdbms.engine.data.DataSource#getWhereFilter() |
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*/ |
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public long[] getWhereFilter() throws IOException {
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return null; |
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} |
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} |
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