类 JdbcCursorItemReaderBuilder<T>

构造器详细资料

• JdbcCursorItemReaderBuilder

  public JdbcCursorItemReaderBuilder()

方法详细资料

• saveState

  public JdbcCursorItemReaderBuilder<T> saveState​(boolean saveState)

  Configure if the state of the ItemStreamSupport should be persisted within the ExecutionContext for restart purposes.

  参数:

  saveState - defaults to true

  返回:

  The current instance of the builder.

• name

  public JdbcCursorItemReaderBuilder<T> name​(java.lang.String name)

  The name used to calculate the key within the ExecutionContext. Required if saveState(boolean) is set to true.

  参数:

  name - name of the reader instance

  返回:

  The current instance of the builder.

  另请参阅:

  ItemStreamSupport.setName(String)

• maxItemCount

  public JdbcCursorItemReaderBuilder<T> maxItemCount​(int maxItemCount)

  Configure the max number of items to be read.

  参数:

  maxItemCount - the max items to be read

  返回:

  The current instance of the builder.

  另请参阅:

  AbstractItemCountingItemStreamItemReader.setMaxItemCount(int)

• currentItemCount

  public JdbcCursorItemReaderBuilder<T> currentItemCount​(int currentItemCount)

  Index for the current item. Used on restarts to indicate where to start from.

  参数:

  currentItemCount - current index

  返回:

  this instance for method chaining

  另请参阅:

  AbstractItemCountingItemStreamItemReader.setCurrentItemCount(int)

• dataSource

  public JdbcCursorItemReaderBuilder<T> dataSource​(javax.sql.DataSource dataSource)

  The DataSource to read from

  参数:

  dataSource - a relational data base

  返回:

  this instance for method chaining

  另请参阅:

  AbstractCursorItemReader.setDataSource(DataSource)

• fetchSize

  public JdbcCursorItemReaderBuilder<T> fetchSize​(int fetchSize)

  A hint to the driver as to how many rows to return with each fetch.

  参数:

  fetchSize - the hint

  返回:

  this instance for method chaining

  另请参阅:

  AbstractCursorItemReader.setFetchSize(int)

• maxRows

  public JdbcCursorItemReaderBuilder<T> maxRows​(int maxRows)

  The max number of rows the ResultSet can contain

  参数:

  maxRows - the max

  返回:

  this instance for method chaining

  另请参阅:

  AbstractCursorItemReader.setMaxRows(int)

• queryTimeout

  public JdbcCursorItemReaderBuilder<T> queryTimeout​(int queryTimeout)

  The time in milliseconds for the query to timeout

  参数:

  queryTimeout - timeout

  返回:

  this instance for method chaining

  另请参阅:

  AbstractCursorItemReader.setQueryTimeout(int)

• ignoreWarnings

  public JdbcCursorItemReaderBuilder<T> ignoreWarnings​(boolean ignoreWarnings)

• verifyCursorPosition

  public JdbcCursorItemReaderBuilder<T> verifyCursorPosition​(boolean verifyCursorPosition)

  Indicates if the reader should verify the current position of the ResultSet after being passed to the RowMapper. Defaults to true.

  参数:

  verifyCursorPosition - indicator

  返回:

  this instance for method chaining

  另请参阅:

  AbstractCursorItemReader.setVerifyCursorPosition(boolean)

• driverSupportsAbsolute

  public JdbcCursorItemReaderBuilder<T> driverSupportsAbsolute​(boolean driverSupportsAbsolute)

  Indicates if the JDBC driver supports setting the absolute row on the ResultSet.

  参数:

  driverSupportsAbsolute - indicator

  返回:

  this instance for method chaining

  另请参阅:

  AbstractCursorItemReader.setDriverSupportsAbsolute(boolean)

• useSharedExtendedConnection

  public JdbcCursorItemReaderBuilder<T> useSharedExtendedConnection​(boolean useSharedExtendedConnection)

  Indicates that the connection used for the cursor is being used by all other processing, therefor part of the same transaction.

  参数:

  useSharedExtendedConnection - indicator

  返回:

  this instance for method chaining

  另请参阅:

  AbstractCursorItemReader.setUseSharedExtendedConnection(boolean)

• preparedStatementSetter

  public JdbcCursorItemReaderBuilder<T> preparedStatementSetter​(org.springframework.jdbc.core.PreparedStatementSetter preparedStatementSetter)

  Configures the provided PreparedStatementSetter to be used to populate any arguments in the SQL query to be executed for the reader.

  参数:

  preparedStatementSetter - setter

  返回:

  this instance for method chaining

  另请参阅:

  JdbcCursorItemReader.setPreparedStatementSetter(PreparedStatementSetter)

• queryArguments

  public JdbcCursorItemReaderBuilder<T> queryArguments​(java.lang.Object[] args)

  Configures a PreparedStatementSetter that will use the array as the values to be set on the query to be executed for this reader.

  参数:

  args - values to set on the reader query

  返回:

  this instance for method chaining

• queryArguments

  public JdbcCursorItemReaderBuilder<T> queryArguments​(java.lang.Object[] args,
                                                       int[] types)

  Configures a PreparedStatementSetter that will use the Object [] as the values to be set on the query to be executed for this reader. The int[] will provide the types (Types) for each of the values provided.

  参数:

  args - values to set on the query

  types - the type for each value in the args array

  返回:

  this instance for method chaining

• queryArguments

  public JdbcCursorItemReaderBuilder<T> queryArguments​(java.util.List<?> args)
                                                throws java.lang.Exception

  Configures a PreparedStatementSetter that will use the List as the values to be set on the query to be executed for this reader.

  参数:

  args - values to set on the query

  返回:

  this instance for method chaining

  抛出:

  java.lang.Exception - from InitializingBean.afterPropertiesSet()

• sql

  public JdbcCursorItemReaderBuilder<T> sql​(java.lang.String sql)

  The query to be executed for this reader

  参数:

  sql - query

  返回:

  this instance for method chaining

  另请参阅:

  JdbcCursorItemReader.setSql(String)

• rowMapper

  public JdbcCursorItemReaderBuilder<T> rowMapper​(org.springframework.jdbc.core.RowMapper<T> rowMapper)

  The RowMapper used to map the results of the cursor to each item.

  参数:

  rowMapper - RowMapper

  返回:

  this instance for method chaining

  另请参阅:

  JdbcCursorItemReader.setRowMapper(RowMapper)

• beanRowMapper

  public JdbcCursorItemReaderBuilder<T> beanRowMapper​(java.lang.Class<T> mappedClass)

  Creates a BeanPropertyRowMapper to be used as your RowMapper.

  参数:

  mappedClass - the class for the row mapper

  返回:

  this instance for method chaining

  另请参阅:

  BeanPropertyRowMapper

• build

  public JdbcCursorItemReader<T> build()

  Validates configuration and builds a new reader instance.

  返回:

  a fully constructed JdbcCursorItemReader