Examples of com.j256.ormlite.stmt.ArgumentHolder

com.j256.ormlite.stmt.query.In
An argument to a select SQL statement. After the query is constructed, the caller can set the value on this argument and run the query. Then the argument can be set again and the query re-executed. This is equivalent in SQL to a ? argument. @author graywatson

    return true;
  }


  public ID extractId(T data) throws SQLException {
    checkForInitialized();
    FieldType idField = tableInfo.getIdField();
    @SuppressWarnings("unchecked")
    ID id = (ID) idField.extractJavaFieldValue(data);
    return id;
  }

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    boolean appendSpace = true;
    if (argOrValue == null) {
      throw new SQLException("argument to comparison of '" + fieldType.getFieldName() + "' is null");
    } else if (argOrValue instanceof ArgumentHolder) {
      sb.append('?');
      ArgumentHolder selectArg = (ArgumentHolder) argOrValue;
      selectArg.setMetaInfo(columnName, fieldType);
      argList.add(selectArg);
    } else if (fieldType.isSelectArgRequired()) {
      sb.append('?');
      ArgumentHolder selectArg = new SelectArg();
      selectArg.setMetaInfo(columnName, fieldType);
      // conversion is done when the getValue() is called
      selectArg.setValue(argOrValue);
      argList.add(selectArg);
    } else if (fieldType.isForeign() && fieldType.getFieldType() == argOrValue.getClass()) {
      /*
       * If we have a foreign field and our argument is an instance of the foreign object (i.e. not its id), then
       * we need to extract the id.

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    boolean appendSpace = true;
    if (argOrValue == null) {
      throw new SQLException("argument for '" + fieldType.getFieldName() + "' is null");
    } else if (argOrValue instanceof ArgumentHolder) {
      sb.append('?');
      ArgumentHolder argHolder = (ArgumentHolder) argOrValue;
      argHolder.setMetaInfo(columnName, fieldType);
      argList.add(argHolder);
    } else if (argOrValue instanceof ColumnArg) {
      ColumnArg columnArg = (ColumnArg) argOrValue;
      String tableName = columnArg.getTableName();
      if (tableName != null) {
        databaseType.appendEscapedEntityName(sb, tableName);
        sb.append('.');
      }
      databaseType.appendEscapedEntityName(sb, columnArg.getColumnName());
    } else if (fieldType.isArgumentHolderRequired()) {
      sb.append('?');
      ArgumentHolder argHolder = new SelectArg();
      argHolder.setMetaInfo(columnName, fieldType);
      // conversion is done when the getValue() is called
      argHolder.setValue(argOrValue);
      argList.add(argHolder);
    } else if (fieldType.isForeign() && fieldType.getType().isAssignableFrom(argOrValue.getClass())) {
      /*
       * If we have a foreign field and our argument is an instance of the foreign object (i.e. not its id), then
       * we need to extract the id. We allow super-classes of the field but not sub-classes.

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   * <b>NOTE:</b> I couldn't remove the code warning associated with this method when used with more than 2 arguments.
   * </p>
   */
  public Where<T, ID> and(Where<T, ID> first, Where<T, ID> second, Where<T, ID>... others) {
    Clause[] clauses = buildClauseArray(others, "AND");
    Clause secondClause = pop("AND");
    Clause firstClause = pop("AND");
    addClause(new ManyClause(firstClause, secondClause, clauses, ManyClause.AND_OPERATION));
    return this;
  }

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   * <b>NOTE:</b> I can't remove the code warning associated with this method. Use the iterator method below.
   * </p>
   */
  public Where<T, ID> or(Where<T, ID> left, Where<T, ID> right, Where<T, ID>... others) {
    Clause[] clauses = buildClauseArray(others, "OR");
    Clause secondClause = pop("OR");
    Clause firstClause = pop("OR");
    addClause(new ManyClause(firstClause, secondClause, clauses, ManyClause.OR_OPERATION));
    return this;
  }

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  @Override
  public String toString() {
    if (clauseStackLevel == 0) {
      return "empty where clause";
    } else {
      Clause clause = peek();
      return "where clause: " + clause;
    }
  }

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  private Clause pop(String label) {
    if (clauseStackLevel == 0) {
      throw new IllegalStateException("Expecting there to be a clause already defined for '" + label
          + "' operation");
    }
    Clause clause = clauseStack[--clauseStackLevel];
    // to help gc
    clauseStack[clauseStackLevel] = null;
    return clause;
  }

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   * </p>
   */
  public Where<T, ID> exists(QueryBuilder<?, ?> subQueryBuilder) throws SQLException {
    // we do this to turn off the automatic addition of the ID column in the select column list
    subQueryBuilder.enableInnerQuery();
    addClause(new Exists(new InternalQueryBuilderWrapper(subQueryBuilder)));
    return this;
  }

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  /**
   * Add a IN clause so the column must be equal-to one of the objects from the list passed in.
   */
  public Where<T, ID> in(String columnName, Iterable<?> objects) throws SQLException {
    addClause(new In(columnName, findColumnFieldType(columnName), objects));
    return this;
  }

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   */
  public Where<T, ID> in(String columnName, Object... objects) throws SQLException {
    if (objects.length == 1 && objects[0].getClass().isArray()) {
      throw new IllegalArgumentException("in(Object... objects) seems to be an array within an array");
    }
    addClause(new In(columnName, findColumnFieldType(columnName), objects));
    return this;
  }

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