Revision 10627 trunk/libraries/libGDBMS/src/main/java/com/hardcode/gdbms/engine/strategies/DistinctDataSource.java
| DistinctDataSource.java | ||
|---|---|---|
| 3 | 3 |
import java.util.Comparator; |
| 4 | 4 |
import java.util.TreeSet; |
| 5 | 5 |
|
| 6 |
import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
|
| 6 | 7 |
import com.hardcode.gdbms.engine.data.DataSource; |
| 7 | 8 |
import com.hardcode.gdbms.engine.data.FieldNameAccessSupport; |
| 8 |
import com.hardcode.gdbms.engine.data.driver.DriverException; |
|
| 9 | 9 |
import com.hardcode.gdbms.engine.data.persistence.Memento; |
| 10 | 10 |
import com.hardcode.gdbms.engine.data.persistence.MementoException; |
| 11 | 11 |
import com.hardcode.gdbms.engine.data.persistence.OperationLayerMemento; |
| ... | ... | |
| 46 | 46 |
/** |
| 47 | 47 |
* @see com.hardcode.gdbms.engine.data.DataSource#start() |
| 48 | 48 |
*/ |
| 49 |
public void start() throws DriverException {
|
|
| 49 |
public void start() throws ReadDriverException {
|
|
| 50 | 50 |
dataSource.start(); |
| 51 | 51 |
} |
| 52 | 52 |
|
| 53 | 53 |
/** |
| 54 | 54 |
* @see com.hardcode.gdbms.engine.data.DataSource#stop() |
| 55 | 55 |
*/ |
| 56 |
public void stop() throws DriverException {
|
|
| 56 |
public void stop() throws ReadDriverException {
|
|
| 57 | 57 |
dataSource.stop(); |
| 58 | 58 |
} |
| 59 | 59 |
|
| ... | ... | |
| 68 | 68 |
/** |
| 69 | 69 |
* @see com.hardcode.gdbms.engine.data.DataSource#getFieldIndexByName(java.lang.String) |
| 70 | 70 |
*/ |
| 71 |
public int getFieldIndexByName(String fieldName) throws DriverException {
|
|
| 71 |
public int getFieldIndexByName(String fieldName) throws ReadDriverException {
|
|
| 72 | 72 |
return fnaSupport.getFieldIndexByName(fieldName); |
| 73 | 73 |
} |
| 74 | 74 |
|
| ... | ... | |
| 77 | 77 |
* int) |
| 78 | 78 |
*/ |
| 79 | 79 |
public Value getFieldValue(long rowIndex, int fieldId) |
| 80 |
throws DriverException {
|
|
| 80 |
throws ReadDriverException {
|
|
| 81 | 81 |
return dataSource.getFieldValue(indexes[(int) rowIndex], fieldId); |
| 82 | 82 |
} |
| 83 | 83 |
|
| 84 | 84 |
/** |
| 85 | 85 |
* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldCount() |
| 86 | 86 |
*/ |
| 87 |
public int getFieldCount() throws DriverException {
|
|
| 87 |
public int getFieldCount() throws ReadDriverException {
|
|
| 88 | 88 |
return dataSource.getFieldCount(); |
| 89 | 89 |
} |
| 90 | 90 |
|
| 91 | 91 |
/** |
| 92 | 92 |
* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldName(int) |
| 93 | 93 |
*/ |
| 94 |
public String getFieldName(int fieldId) throws DriverException {
|
|
| 94 |
public String getFieldName(int fieldId) throws ReadDriverException {
|
|
| 95 | 95 |
return dataSource.getFieldName(fieldId); |
| 96 | 96 |
} |
| 97 | 97 |
|
| 98 | 98 |
/** |
| 99 | 99 |
* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getRowCount() |
| 100 | 100 |
*/ |
| 101 |
public long getRowCount() throws DriverException {
|
|
| 101 |
public long getRowCount() throws ReadDriverException {
|
|
| 102 | 102 |
return indexes.length; |
| 103 | 103 |
} |
| 104 | 104 |
|
| 105 | 105 |
/** |
| 106 | 106 |
* @see com.hardcode.gdbms.engine.data.driver.ReadAccess#getFieldType(int) |
| 107 | 107 |
*/ |
| 108 |
public int getFieldType(int i) throws DriverException {
|
|
| 108 |
public int getFieldType(int i) throws ReadDriverException {
|
|
| 109 | 109 |
return dataSource.getFieldType(i); |
| 110 | 110 |
} |
| 111 | 111 |
|
| 112 | 112 |
/** |
| 113 | 113 |
* DOCUMENT ME! |
| 114 |
* |
|
| 115 |
* @throws DriverException DOCUMENT ME! |
|
| 116 | 114 |
* @throws EvaluationException DOCUMENT ME! |
| 115 |
* @throws ReadDriverException TODO |
|
| 117 | 116 |
* @throws RuntimeException DOCUMENT ME! |
| 118 | 117 |
*/ |
| 119 |
public void filter() throws DriverException, EvaluationException {
|
|
| 118 |
public void filter() throws EvaluationException, ReadDriverException {
|
|
| 120 | 119 |
int[] idx = new int[(int) dataSource.getRowCount()]; |
| 121 | 120 |
TreeSet h = new TreeSet(new Comparator() {
|
| 122 | 121 |
public int compare(Object o1, Object o2) {
|
| ... | ... | |
| 164 | 163 |
System.arraycopy(idx, 0, indexes, 0, index); |
| 165 | 164 |
} |
| 166 | 165 |
|
| 167 |
public int getFieldWidth(int i) throws DriverException {
|
|
| 166 |
public int getFieldWidth(int i) throws ReadDriverException {
|
|
| 168 | 167 |
return dataSource.getFieldType(i); |
| 169 | 168 |
} |
| 170 | 169 |
} |
Also available in: Unified diff