root / trunk / libraries / libGDBMS / src / main / java / com / hardcode / gdbms / engine / data / object / ObjectDriverDataSourceAdapter.java @ 10627
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package com.hardcode.gdbms.engine.data.object; |
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import com.hardcode.driverManager.Driver; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.driver.exceptions.ReloadDriverException; |
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import com.hardcode.gdbms.engine.data.driver.ObjectDriver; |
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import com.hardcode.gdbms.engine.data.driver.ReadAccess; |
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import com.hardcode.gdbms.engine.data.edition.DataWare; |
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import com.hardcode.gdbms.engine.data.file.AbstractFileDataSource; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.hardcode.gdbms.engine.values.ValueFactory; |
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/**
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*
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*/
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class ObjectDriverDataSourceAdapter extends AbstractFileDataSource |
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implements ObjectDataSource {
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protected ObjectDriver objectDriver;
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#start()
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*/
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public void start() throws ReadDriverException { |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#stop()
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*/
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public void stop() throws ReadDriverException { |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getDriver()
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*/
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public ReadAccess getReadDriver() {
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return objectDriver;
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#setDriver(ObjectDriver)
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*/
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public void setDriver(ObjectDriver readDriver) { |
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this.objectDriver = readDriver;
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getName()
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*/
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public String getName() { |
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return sourceInfo.name;
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getPrimaryKeys()
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*/
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public int[] getPrimaryKeys() throws ReadDriverException { |
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return objectDriver.getPrimaryKeys();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldValue(long, int)
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*/
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public Value getFieldValue(long rowIndex, int fieldId) throws ReadDriverException { |
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Value v = objectDriver.getFieldValue(rowIndex, fieldId); |
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return (v == null)?ValueFactory.createNullValue():v; |
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldCount()
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*/
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public int getFieldCount() throws ReadDriverException { |
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return objectDriver.getFieldCount();
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldName(int)
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*/
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public String getFieldName(int fieldId) throws ReadDriverException { |
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return objectDriver.getFieldName(fieldId);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldType(int)
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*/
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public int getFieldType(int i) throws ReadDriverException { |
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return objectDriver.getFieldType(i);
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} |
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/**
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* @see com.hardcode.gdbms.engine.data.DataSource#getDataWare(int)
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*/
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public DataWare getDataWare(int mode) throws ReadDriverException { |
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ObjectDataWare dw = ObjectDataSourceFactory.newDataWareInstance(); |
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dw.setDriver(objectDriver); |
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dw.setDataSourceFactory(dsf); |
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dw.setSourceInfo(getSourceInfo()); |
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return dw;
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} |
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public int getFieldWidth(int i) throws ReadDriverException { |
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return objectDriver.getFieldWidth(i);
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} |
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public Driver getDriver() { |
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return objectDriver;
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} |
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public void reload() throws ReloadDriverException { |
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objectDriver.reload(); |
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this.raiseEventReloaded();
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} |
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} |