Examples of com.almworks.sqlite4java.SQLiteStatement

com.almworks.sqlite4java.SQLiteStatement
g/c3ref/stmt.html">sqlite3_stmt*

   */
  public List<FileSummary> getDirParents(final long crawlid, final String targetDirStr) {
    return dbQueue.execute(new SQLiteJob<List<FileSummary>>() {
        protected List<FileSummary> job(SQLiteConnection db) throws SQLiteException {
          List<FileSummary> output = new ArrayList<FileSummary>();
          SQLiteStatement stmt = db.prepare("select fid, path, fname from Files WHERE crawlid = ? AND length(?) > length(path||fname) AND isDir = 'True' AND replace(?, path||fname, '') LIKE '/%'");
          try {
            Path targetDir = new Path(targetDirStr);
            if (targetDir.getParent() != null) {
              stmt.bind(1, crawlid).bind(2, targetDir.toString()).bind(3, targetDir.toString());
              while (stmt.step()) {
                //Path p = new Path(stmt.columnString(0) + stmt.columnString(1));
                output.add(new FileSummary(FSAnalyzer.this, stmt.columnLong(0)));
              }
            }
          } finally {
            stmt.dispose();
          }
          return output;
        }
      }).complete();
  }

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   */
  public List<FileSummary> getDirChildren(final long crawlid, final String targetDir) {
    return dbQueue.execute(new SQLiteJob<List<FileSummary>>() {
        protected List<FileSummary> job(SQLiteConnection db) throws SQLiteException {
          List<FileSummary> output = new ArrayList<FileSummary>();
          SQLiteStatement stmt = db.prepare("SELECT DISTINCT fid AS fullpath FROM Files WHERE isDir = 'True' AND crawlid = ? AND path = ? ORDER BY fname ASC");
          try {
            String targetDirNormalizedStr = targetDir;
            if (! targetDirNormalizedStr.endsWith("/")) {
              targetDirNormalizedStr += "/";
            }
            stmt.bind(1, crawlid).bind(2, targetDirNormalizedStr);
            while (stmt.step()) {
              output.add(new FileSummary(FSAnalyzer.this, stmt.columnLong(0)));
            }
          } finally {
            stmt.dispose();
          }
          return output;
        }
      }).complete();
  }

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  static String crawlInfoQuery = "SELECT crawlid, crawlstarted, crawlfinished, inprogress, fsid FROM Crawls";    
  public List<CrawlSummary> getCrawlSummaries() {
    return dbQueue.execute(new SQLiteJob<List<CrawlSummary>>() {
        protected List<CrawlSummary> job(SQLiteConnection db) throws SQLiteException {
          List<CrawlSummary> output = new ArrayList<CrawlSummary>();
          SQLiteStatement stmt = db.prepare(crawlInfoQuery);
          try {
            while (stmt.step()) {
              long cid = stmt.columnLong(0);
              String started = stmt.columnString(1);
              String finished = stmt.columnString(2);
              String inprogress = stmt.columnString(3);
              long fsid = stmt.columnLong(4);                            
              output.add(new CrawlSummary(FSAnalyzer.this, cid, started, finished, "True".equals(inprogress), fsid));
            }
          } catch (SQLiteException se) {
            se.printStackTrace();
          } finally {
            stmt.dispose();
          }
          return output;
        }}).complete();
  }

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   * Grab details on a crawl.
   */
  public CrawlSummary getCrawlSummaryData(final long crawlid) {
    return dbQueue.execute(new SQLiteJob<CrawlSummary>() {
        protected CrawlSummary job(SQLiteConnection db) throws SQLiteException {
          SQLiteStatement stmt = db.prepare("SELECT crawlstarted, crawlfinished, inprogress, fsid FROM Crawls WHERE crawlid = ?");
          try {
            stmt.bind(1, crawlid);
            if (stmt.step()) {
              return new CrawlSummary(FSAnalyzer.this, crawlid, stmt.columnString(0), stmt.columnString(1), "True".equals(stmt.columnString(2)), stmt.columnLong(3));
            } else {
              return null;
            }
          } finally {
            stmt.dispose();
          }
        }
      }).complete();
  }

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  static String typeInfoQuery = "SELECT typeid FROM Types";    
  public List<TypeSummary> getTypeSummaries() {
    return dbQueue.execute(new SQLiteJob<List<TypeSummary>>() {
        protected List<TypeSummary> job(SQLiteConnection db) throws SQLiteException {
          List<TypeSummary> output = new ArrayList<TypeSummary>();          
          SQLiteStatement stmt = db.prepare(typeInfoQuery);
          
          try {
            while (stmt.step()) {
              long typeid = stmt.columnLong(0);
              output.add(new TypeSummary(FSAnalyzer.this, typeid));
            }
          } catch (SQLiteException se) {
            se.printStackTrace();
          } finally {
            stmt.dispose();
          }
          return output;
        }}).complete();
  }

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   * Grab details on a type.
   */
  public TypeSummaryData getTypeSummaryData(final long typeid) {
    return dbQueue.execute(new SQLiteJob<TypeSummaryData>() {
        protected TypeSummaryData job(SQLiteConnection db) throws SQLiteException {
          SQLiteStatement stmt = db.prepare("SELECT typelabel FROM Types WHERE typeid = ?");
          try {
            stmt.bind(1, typeid);
            if (stmt.step()) {
              return new TypeSummaryData(typeid, stmt.columnString(0));
            } else {
              return null;
            }
          } finally {
            stmt.dispose();
          }
        }
      }).complete();
  }

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   * Read a property's value
   */
  public String getConfigProperty(final String propertyName) {
    return dbQueue.execute(new SQLiteJob<String>() {
        protected String job(SQLiteConnection db) throws SQLiteException {
          SQLiteStatement stmt = db.prepare("SELECT property FROM Configs WHERE propertyname=?");
          try {
            stmt.bind(1, propertyName);
            if (stmt.step()) {
              return stmt.columnString(0);
            } else {
              return null;
            }
          } finally {
            stmt.dispose();
          }
        }
      }).complete();
  }

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    if (property == null) {
      deleteConfigProperty(propertyName);
    } else {
      dbQueue.execute(new SQLiteJob<Object>() {
          protected Object job(SQLiteConnection db) throws SQLiteException {
            SQLiteStatement stmt = db.prepare("REPLACE into Configs VALUES(?, ?)");
            try {
              stmt.bind(1, propertyName);
              stmt.bind(2, property);            
              stmt.step();
            } finally {
              stmt.dispose();
            }
            return null;
          }
        }).complete();
    }

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   * Delete a property
   */
  public void deleteConfigProperty(final String propertyName) {
    dbQueue.execute(new SQLiteJob<Object>() {
        protected Object job(SQLiteConnection db) throws SQLiteException {
          SQLiteStatement stmt = db.prepare("DELETE from Configs WHERE propertyname=?");
          try {
            stmt.bind(1, propertyName);
            stmt.step();
          } finally {
            stmt.dispose();
          }
          return null;
        }
      }).complete();
  }

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  }
  static String countFilesQueryForSchema = "SELECT COUNT(DISTINCT fid) FROM SchemaGuesses WHERE schemaid = ?";
  public long countFilesForSchema(final long schemaid) {
    return dbQueue.execute(new SQLiteJob<Long>() {
        protected Long job(SQLiteConnection db) throws SQLiteException {
          SQLiteStatement stmt = db.prepare(countFilesQueryForSchema);
          try {
            stmt.bind(1, schemaid);
            if (stmt.step()) {
              return stmt.columnLong(0);
            }
          } finally {
            stmt.dispose();
          }
          return -1L;
        }
      }).complete();
  }

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