Source Code Cross Referenced for FxResultSetImpl.java in  » J2EE » fleXive » com » flexive » core » search » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » fleXive » com.flexive.core.search 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /***************************************************************
002:         *  This file is part of the [fleXive](R) project.
003:         *
004:         *  Copyright (c) 1999-2008
005:         *  UCS - unique computing solutions gmbh (http://www.ucs.at)
006:         *  All rights reserved
007:         *
008:         *  The [fleXive](R) project is free software; you can redistribute
009:         *  it and/or modify it under the terms of the GNU General Public
010:         *  License as published by the Free Software Foundation;
011:         *  either version 2 of the License, or (at your option) any
012:         *  later version.
013:         *
014:         *  The GNU General Public License can be found at
015:         *  http://www.gnu.org/copyleft/gpl.html.
016:         *  A copy is found in the textfile GPL.txt and important notices to the
017:         *  license from the author are found in LICENSE.txt distributed with
018:         *  these libraries.
019:         *
020:         *  This library is distributed in the hope that it will be useful,
021:         *  but WITHOUT ANY WARRANTY; without even the implied warranty of
022:         *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
023:         *  GNU General Public License for more details.
024:         *
025:         *  For further information about UCS - unique computing solutions gmbh,
026:         *  please see the company website: http://www.ucs.at
027:         *
028:         *  For further information about [fleXive](R), please see the
029:         *  project website: http://www.flexive.org
030:         *
031:         *
032:         *  This copyright notice MUST APPEAR in all copies of the file!
033:         ***************************************************************/package com.flexive.core.search;
034:
035:        import com.flexive.shared.FxArrayUtils;
036:        import com.flexive.shared.FxSharedUtils;
037:        import com.flexive.shared.exceptions.FxInvalidParameterException;
038:        import com.flexive.shared.search.*;
039:        import com.flexive.sqlParser.FxStatement;
040:        import com.flexive.sqlParser.SelectedValue;
041:
042:        import java.io.Serializable;
043:        import java.util.ArrayList;
044:        import java.util.Iterator;
045:        import java.util.List;
046:        import java.util.Map;
047:
048:        /**
049:         * FxResultSet implementation
050:         *
051:         * @author Gregor Schober (gregor.schober@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
052:         * @version $Rev: 256 $
053:         */
054:        public class FxResultSetImpl implements  Serializable, FxResultSet {
055:            private static final long serialVersionUID = -7038323618490882790L;
056:
057:            private final List<Object[]> rows;
058:            private final String[] columnNames;
059:            private final int parserExecutionTime;
060:            private final int dbSearchTime;
061:            private final int startIndex;
062:            private final int maxFetchRows;
063:            private final ResultLocation location;
064:            private final ResultViewType viewType;
065:            private final List<FxFoundType> contentTypes;
066:            private final long creationTime;
067:            private final long createdBriefcaseId;
068:            private final long typeId;
069:
070:            private int fetchTime = 0;
071:            private int totalTime = 0;
072:            private int totalRowCount;
073:            private boolean truncated;
074:            private Map<String, Integer> columnIndexMap;
075:
076:            private class RowIterator implements  Iterator<FxResultRow> {
077:                int index = 0;
078:
079:                public boolean hasNext() {
080:                    return index < rows.size();
081:                }
082:
083:                public FxResultRow next() {
084:                    return new FxResultRow(FxResultSetImpl.this , index++);
085:                }
086:
087:                public void remove() {
088:                    throw new UnsupportedOperationException(
089:                            "Removing rows not supported");
090:                }
091:            }
092:
093:            protected FxResultSetImpl(ResultLocation location,
094:                    ResultViewType viewType) {
095:                this .rows = new ArrayList<Object[]>(0);
096:                this .columnNames = new String[0];
097:                this .contentTypes = new ArrayList<FxFoundType>(0);
098:                this .parserExecutionTime = 0;
099:                this .dbSearchTime = 0;
100:                this .totalRowCount = 0;
101:                this .truncated = false;
102:                this .startIndex = 0;
103:                this .maxFetchRows = 0;
104:                this .location = location;
105:                this .viewType = viewType;
106:                this .creationTime = System.currentTimeMillis();
107:                this .typeId = -1;
108:                this .createdBriefcaseId = -1;
109:            }
110:
111:            protected FxResultSetImpl(final FxStatement fx_stmt,
112:                    final int parserExecutionTime, int dbSearchTime,
113:                    int startIndex, int maxFetchRows, ResultLocation location,
114:                    ResultViewType viewType, List<FxFoundType> types,
115:                    long typeId, long createdBriefcaseId) {
116:                this .parserExecutionTime = parserExecutionTime;
117:                this .startIndex = startIndex;
118:                this .maxFetchRows = maxFetchRows;
119:                this .dbSearchTime = dbSearchTime;
120:                this .location = location;
121:                this .viewType = viewType;
122:                this .contentTypes = types == null ? new ArrayList<FxFoundType>(
123:                        0) : types;
124:                this .createdBriefcaseId = createdBriefcaseId;
125:                this .rows = new ArrayList<Object[]>(fx_stmt.getMaxResultRows());
126:                this .columnNames = new String[fx_stmt.getSelectedValues()
127:                        .size()];
128:                int pos = 0;
129:                for (SelectedValue v : fx_stmt.getSelectedValues()) {
130:                    this .columnNames[pos++] = v.getAlias();
131:                }
132:                this .totalTime = parserExecutionTime;
133:                this .creationTime = System.currentTimeMillis();
134:                this .typeId = typeId;
135:            }
136:
137:            /**
138:             * {@inheritDoc} *
139:             */
140:            public long getCreationTime() {
141:                return creationTime;
142:            }
143:
144:            /**
145:             * {@inheritDoc} *
146:             */
147:            public int getStartIndex() {
148:                return startIndex;
149:            }
150:
151:            /**
152:             * {@inheritDoc} *
153:             */
154:            public int getMaxFetchRows() {
155:                return maxFetchRows;
156:            }
157:
158:            protected void setFetchTime(int fetchTime) {
159:                this .fetchTime = fetchTime;
160:            }
161:
162:            protected void addRow(Object[] rowData) {
163:                rows.add(rowData);
164:            }
165:
166:            protected void setTotalTime(int executeQueryTime) {
167:                this .totalTime = executeQueryTime + parserExecutionTime;
168:            }
169:
170:            /**
171:             * {@inheritDoc} *
172:             */
173:            public String[] getColumnNames() {
174:                return FxArrayUtils.clone(this .columnNames);
175:            }
176:
177:            /**
178:             * {@inheritDoc} *
179:             */
180:            public int getColumnIndex(String name) {
181:                return FxSharedUtils.getColumnIndex(columnNames, name);
182:            }
183:
184:            /**
185:             * {@inheritDoc} *
186:             */
187:            public Map<String, Integer> getColumnIndexMap() {
188:                if (columnIndexMap == null) {
189:                    columnIndexMap = FxSharedUtils
190:                            .getMappedFunction(new FxSharedUtils.ParameterMapper<String, Integer>() {
191:                                private static final long serialVersionUID = 5832530872300639732L;
192:
193:                                public Integer get(Object key) {
194:                                    return getColumnIndex(String.valueOf(key));
195:                                }
196:                            });
197:                }
198:                return columnIndexMap;
199:            }
200:
201:            /**
202:             * {@inheritDoc} *
203:             */
204:            public List<Object[]> getRows() {
205:                return rows == null ? new ArrayList<Object[]>(0) : rows;
206:            }
207:
208:            /**
209:             * {@inheritDoc} *
210:             */
211:            public String getColumnName(int pos)
212:                    throws ArrayIndexOutOfBoundsException {
213:                try {
214:                    return this .columnNames[pos - 1];
215:                } catch (Exception exc) {
216:                    throw new ArrayIndexOutOfBoundsException("size: "
217:                            + columnNames.length + ";pos:" + pos);
218:                }
219:            }
220:
221:            /**
222:             * {@inheritDoc} *
223:             */
224:            public int getColumnCount() {
225:                return this .columnNames.length;
226:            }
227:
228:            /**
229:             * {@inheritDoc} *
230:             */
231:            public int getRowCount() {
232:                return rows.size();
233:            }
234:
235:            /**
236:             * {@inheritDoc} *
237:             */
238:            public int getTotalRowCount() {
239:                // no type filter specified, return global total row count
240:                if (typeId == -1) {
241:                    return totalRowCount;
242:                }
243:                // type filter specified, find total rows for the current type
244:                for (FxFoundType contentType : contentTypes) {
245:                    if (contentType.getContentTypeId() == typeId) {
246:                        return contentType.getFoundEntries();
247:                    }
248:                }
249:                // type filter specified, but no content found
250:                return 0;
251:            }
252:
253:            /**
254:             * {@inheritDoc} *
255:             */
256:            public boolean isTruncated() {
257:                return truncated;
258:            }
259:
260:            /**
261:             * {@inheritDoc} *
262:             */
263:            public Object getObject(int rowIndex, int columnIndex)
264:                    throws ArrayIndexOutOfBoundsException {
265:
266:                // Access row data
267:                Object rowData[];
268:                try {
269:                    rowData = this .rows.get(rowIndex - 1);
270:                } catch (Exception exc) {
271:                    throw new ArrayIndexOutOfBoundsException("size: "
272:                            + columnNames.length + ";rowIndex:" + rowIndex);
273:                }
274:
275:                // Access column data
276:                try {
277:                    return rowData[columnIndex - 1];
278:                } catch (Exception exc) {
279:                    throw new ArrayIndexOutOfBoundsException("size: "
280:                            + columnNames.length + ";columnIndex:"
281:                            + columnIndex);
282:                }
283:            }
284:
285:            /** {@inheritDoc} */
286:            @SuppressWarnings({"unchecked"})
287:            public <T> List<T> collectColumn(int columnIndex) {
288:                final List<T> result = new ArrayList<T>(rows.size());
289:                if (rows.size() == 0) {
290:                    return result;
291:                }
292:                checkColumnIndex(columnIndex);
293:                for (Object[] row : rows) {
294:                    result.add((T) row[columnIndex - 1]);
295:                }
296:                return result;
297:            }
298:
299:            /**
300:             * {@inheritDoc} *
301:             */
302:            public String getString(int rowIndex, int columnIndex)
303:                    throws ArrayIndexOutOfBoundsException {
304:                Object value = getObject(rowIndex, columnIndex);
305:                if (value instanceof  String) {
306:                    return (String) value;
307:                } else {
308:                    return value.toString();
309:                }
310:            }
311:
312:            /**
313:             * {@inheritDoc} *
314:             */
315:            public int getParserExecutionTime() {
316:                return parserExecutionTime;
317:            }
318:
319:            /**
320:             * Returns the time needed to find all matching records in the database.
321:             *
322:             * @return the time needed to find all matching records in the database
323:             */
324:            public int getDbSearchTime() {
325:                return dbSearchTime;
326:            }
327:
328:            /**
329:             * Returns the time needed to find fetch the matching records from the database.
330:             *
331:             * @return the time needed to find fetch the matching records from the database
332:             */
333:            public int getFetchTime() {
334:                return fetchTime;
335:            }
336:
337:            /**
338:             * Returns the total time spent for the search.
339:             * <p/>
340:             * This time includes the parse time, search time, fetch time and additional
341:             * programm logic time.
342:             *
343:             * @return the total time spent for the search
344:             */
345:            public int getTotalTime() {
346:                return totalTime;
347:            }
348:
349:            /**
350:             * {@inheritDoc}
351:             */
352:            public ResultLocation getLocation() {
353:                return location;
354:            }
355:
356:            /**
357:             * {@inheritDoc}
358:             */
359:            public ResultViewType getViewType() {
360:                return viewType;
361:            }
362:
363:            /**
364:             * {@inheritDoc}
365:             */
366:            public List<FxFoundType> getContentTypes() {
367:                return contentTypes;
368:            }
369:
370:            /**
371:             * {@inheritDoc}
372:             */
373:            public Iterable<FxResultRow> getResultRows() {
374:                return new Iterable<FxResultRow>() {
375:                    public Iterator<FxResultRow> iterator() {
376:                        return new RowIterator();
377:                    }
378:                };
379:            }
380:
381:            /**
382:             * {@inheritDoc}
383:             */
384:            public FxResultRow getResultRow(int index) {
385:                return new FxResultRow(this , index);
386:            }
387:
388:            /**
389:             * {@inheritDoc}
390:             */
391:            public long getCreatedBriefcaseId() {
392:                return createdBriefcaseId;
393:            }
394:
395:            protected void setTruncated(boolean truncated) {
396:                this .truncated = truncated;
397:            }
398:
399:            protected void setTotalRowCount(int totalRowCount) {
400:                this .totalRowCount = totalRowCount;
401:            }
402:
403:            /**
404:             * Checks the 1-based column index and throws a runtime exception when it is not valid in this result set.
405:             *
406:             * @param columnIndex   the 1-based column index
407:             */
408:            private void checkColumnIndex(int columnIndex) {
409:                if (rows.size() == 0) {
410:                    return;
411:                }
412:                if (rows.get(0).length < columnIndex || columnIndex < 1) {
413:                    throw new FxInvalidParameterException("columnIndex",
414:                            "ex.sqlSearch.column.index", columnIndex, rows
415:                                    .get(0).length).asRuntimeException();
416:                }
417:            }
418:
419:        }
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