svn-gvsig-desktop / trunk / libraries / libGDBMS / src / com / hardcode / gdbms / engine / data / db / DBDataSourceAdapter.java @ 1956
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package com.hardcode.gdbms.engine.data.db; |
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import com.hardcode.gdbms.engine.data.AbstractDataSource; |
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import com.hardcode.gdbms.engine.data.HasProperties; |
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import com.hardcode.gdbms.engine.data.driver.DBDriver; |
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import com.hardcode.gdbms.engine.data.driver.DriverCommons; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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import com.hardcode.gdbms.engine.data.driver.DriverInfo; |
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import com.hardcode.gdbms.engine.values.Value; |
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import java.sql.Connection; |
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import java.sql.SQLException; |
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/**
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* Adaptador de la interfaz DBDriver a la interfaz DataSource. Adapta las
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* interfaces de los drivers de base de datos a la interfaz DataSource.
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public abstract class DBDataSourceAdapter extends AbstractDataSource |
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implements DBDataSource {
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/*
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* datos de la conexi?n
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*/
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protected String host; |
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protected int port; |
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protected String dbName; |
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protected String user; |
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protected String password; |
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//driver de base de datos
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protected DBDriver driver;
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//objetos jdbc
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protected Connection con; |
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//Instrucci?n sql completa que representa el dataSource
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protected String sql; |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getRowCount()
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*/
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public long getRowCount() throws DriverException { |
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return getDriver().getRowCount();
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} |
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/**
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* Establece el driver
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*
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* @param driver The driver to set.
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*/
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public void setDriver(DBDriver driver) { |
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this.driver = driver;
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if (driver instanceof DriverCommons) { |
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if (((DriverCommons) driver).getDriverProperties() != null) { |
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sourceProperties.putAll(((DriverCommons) driver).getDriverProperties()); |
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} |
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} |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getFieldCount()
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*/
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public int getFieldCount() throws DriverException { |
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return getDriver().getFieldCount();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getFieldName(int)
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*/
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public String getFieldName(int fieldId) throws DriverException { |
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return getDriver().getFieldName(fieldId);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getFieldType(int)
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*/
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public int getFieldType(int i) throws DriverException { |
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return getDriver().getFieldType(i);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ObjectDriver#getFieldValue(long,
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* int)
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*/
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public Value getFieldValue(long rowIndex, int fieldId) |
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throws DriverException {
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return getDriver().getFieldValue(rowIndex, fieldId);
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} |
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/**
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* DOCUMENT ME!
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*
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* @return
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*/
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protected DBDriver getDriver() {
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return driver;
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getProperty(java.lang.String)
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*/
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public String getProperty(String propertyName) { |
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return (String) sourceProperties.get(propertyName); |
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} |
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/**
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* DOCUMENT ME!
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*
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* @param sourceInfo
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*/
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public void setSourceInfo(DriverInfo sourceInfo) { |
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super.setSourceInfo(sourceInfo);
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this.host = ((DBDriverInfo) sourceInfo).host;
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this.port = ((DBDriverInfo) sourceInfo).port;
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this.dbName = ((DBDriverInfo) sourceInfo).dbName;
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this.user = ((DBDriverInfo) sourceInfo).user;
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this.password = ((DBDriverInfo) sourceInfo).password;
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.db.DBDataSource#execute(java.lang.String)
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*/
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public void execute(String sql) throws DriverException { |
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try {
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getDriver().execute(driver.getConnection(host, port, dbName, user, password), sql, (HasProperties) this);
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} catch (SQLException e) { |
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throw new DriverException(e); |
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} |
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} |
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} |