类 Neo4jItemReaderBuilder<T>

构造器详细资料

• Neo4jItemReaderBuilder

  public Neo4jItemReaderBuilder()

方法详细资料

• saveState

  public Neo4jItemReaderBuilder<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 Neo4jItemReaderBuilder<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 Neo4jItemReaderBuilder<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 Neo4jItemReaderBuilder<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)

• sessionFactory

  public Neo4jItemReaderBuilder<T> sessionFactory​(org.neo4j.ogm.session.SessionFactory sessionFactory)

  Establish the session factory for the reader.

  参数:

  sessionFactory - the factory to use for the reader.

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setSessionFactory(SessionFactory)

• pageSize

  public Neo4jItemReaderBuilder<T> pageSize​(int pageSize)

  The number of items to be read with each page.

  参数:

  pageSize - the number of items

  返回:

  this instance for method chaining

  另请参阅:

  AbstractPaginatedDataItemReader.setPageSize(int)

• parameterValues

  public Neo4jItemReaderBuilder<T> parameterValues​(java.util.Map<java.lang.String,​java.lang.Object> parameterValues)

  Optional parameters to be used in the cypher query.

  参数:

  parameterValues - the parameter values to be used in the cypher query

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setParameterValues(Map)

• startStatement

  public Neo4jItemReaderBuilder<T> startStatement​(java.lang.String startStatement)

  The start segment of the cypher query. START is prepended to the statement provided and should not be included.

  参数:

  startStatement - the start fragment of the cypher query.

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setStartStatement(String)

• returnStatement

  public Neo4jItemReaderBuilder<T> returnStatement​(java.lang.String returnStatement)

  The return statement of the cypher query. RETURN is prepended to the statement provided and should not be included

  参数:

  returnStatement - the return fragment of the cypher query.

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setReturnStatement(String)

• matchStatement

  public Neo4jItemReaderBuilder<T> matchStatement​(java.lang.String matchStatement)

  An optional match fragment of the cypher query. MATCH is prepended to the statement provided and should not be included.

  参数:

  matchStatement - the match fragment of the cypher query

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setMatchStatement(String)

• whereStatement

  public Neo4jItemReaderBuilder<T> whereStatement​(java.lang.String whereStatement)

  An optional where fragment of the cypher query. WHERE is prepended to the statement provided and should not be included.

  参数:

  whereStatement - where fragment of the cypher query

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setWhereStatement(String)

• orderByStatement

  public Neo4jItemReaderBuilder<T> orderByStatement​(java.lang.String orderByStatement)

  A list of properties to order the results by. This is required so that subsequent page requests pull back the segment of results correctly. ORDER BY is prepended to the statement provided and should not be included.

  参数:

  orderByStatement - order by fragment of the cypher query.

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setOrderByStatement(String)

• targetType

  public Neo4jItemReaderBuilder<T> targetType​(java.lang.Class<T> targetType)

  The object type to be returned from each call to AbstractItemCountingItemStreamItemReader.read()

  参数:

  targetType - the type of object to return.

  返回:

  this instance for method chaining

  另请参阅:

  AbstractNeo4jItemReader.setTargetType(Class)

• build

  public Neo4jItemReader<T> build()

  Returns a fully constructed Neo4jItemReader.

  返回:

  a new Neo4jItemReader