oracle.pg.rdbms

Class OracleVertexIteratorImpl

java.lang.Object

oracle.pg.common.OracleCommonIteratorBase

oracle.pg.rdbms.OracleCommonIteratorImpl

oracle.pg.rdbms.OracleElementIteratorImpl

oracle.pg.rdbms.OracleVertexIteratorImpl

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.util.Iterator<OracleVertexBase>, CloseableIterator<OracleVertexBase>, oracle.pg.common.messages.MesgConsts

public class OracleVertexIteratorImpl
extends OracleElementIteratorImpl
implements CloseableIterator<OracleVertexBase>

This class implements the Iterator interface for vertices.

Field Summary

Fields inherited from interface oracle.pg.common.messages.MesgConsts

ERR_ARG_CANNOT_BE_NULL, ERR_CODE_NOT_IN_LIST, ERR_DOP_CONSTRAINT, ERR_E_AUTO_IDX_MUST_SOLR_OR_LUCENE, ERR_E_AUTO_IDX_NOT_EXIST, ERR_E_DS_MUSTBE_FILE_OR_IS, ERR_E_MAX_LINE_CONSTRAINT, ERR_EDGE_DIR_NOT_BOTH, ERR_EDGE_WORK_TBL_NOT_CLEAN, ERR_GRAPH_NAME_CANT_BENULL, ERR_HIT_EXCEPTION, ERR_HIT_INTERRUPT, ERR_HIT_IO, ERR_HIT_OPGE, ERR_HIT_PARSEE, ERR_ID_CANNOT_BE_NULL, ERR_IDX_KEY_CANNOT_BE_NULL, ERR_IDX_KEY_NOT_NULL, ERR_IDX_KEYS_NOT_NULL, ERR_IN_DS_EDGE_CANTBE_NULL, ERR_IN_DS_VERT_CANTBE_NULL, ERR_IN_E_FLAT_DOESNT_EXIST, ERR_IN_V_FLAT_DOESNT_EXIST, ERR_INPUT_LIST_NOT_NULL, ERR_INPUT_NOT_NULL, ERR_INVALID_CHANGE_ACTION, ERR_INVALID_NUM_FIELDS, ERR_INVALID_NUM_NOARG, ERR_INVALID_NUMBER, ERR_INVALID_VAL, ERR_KEY_CANNOT_BE_ID, ERR_KEY_CANNOT_BE_NULL, ERR_KEY_CANNOT_BE_NULL_EMPTY, ERR_KEY_NOT_SET_TO, ERR_NO_ELEM_TO_BE_CONSUMED, ERR_NO_OP_SUPPORTED, ERR_NOT_IMPLEMENTED_YET, ERR_NOT_ORACLE_V_E, ERR_NUM_PART_CONSTRAINT, ERR_OFFSET_CONSTRAINT, ERR_OFFSET_E_MUST_BE_POS, ERR_OFFSET_V_MUST_BE_POS, ERR_OPT_FLAG_EDGE_INVALID, ERR_OPT_FLAG_VERT_INVALID, ERR_ORA_TEXT_INVALID_KEY, ERR_ORA_TEXT_ONLY_AUTO, ERR_OUTPUT_LIST_NOT_NULL, ERR_PG_ALREADY_EXISTS, ERR_PG_NOT_EMPTY, ERR_PG_NOT_NULL, ERR_SIZE_MUST_BE_POS, ERR_TIMEOUT_TAB_CREATION, ERR_TXT_IDX_NOT_FOUND, ERR_TYPE_ID_NOT_RECO, ERR_UNSUPPORTED_VAL_TYP, ERR_USER_REQ_OP_CANCEL, ERR_V_AUTO_IDX_MUST_SOLR_OR_LUCENE, ERR_V_AUTO_IDX_NOT_EXIST, ERR_V_DS_MUSTBE_FILE_OR_IS, ERR_V_MAX_LINE_CONSTRAINT, ERR_VALUE_CANNOT_BE_NULL, INFO_EMP_K_NO_P_VAL, INFO_NUL_K_NO_P_VAL

Constructor Summary

Constructors

Constructor and Description
OracleVertexIteratorImpl(OraclePropertyGraph opg, java.sql.ResultSet rs, OraclePropertyGraphBase.OptimizationFlag flag) A package level constructor.

Method Summary

Modifier and Type	Method and Description
OracleVertex	next() Returns the next element.

Methods inherited from class oracle.pg.rdbms.OracleElementIteratorImpl

close, getPropertyGraph, quietlyCloseResultSetAndStmt, quietlyCloseStmt

Methods inherited from class oracle.pg.rdbms.OracleCommonIteratorImpl

setQueryFetchSize

Methods inherited from class oracle.pg.common.OracleCommonIteratorBase

getQueryDeadline, getQueryStartTime, getQueryTimeOut, hasNext, remove, setGracefulTimeout, setQueryStartTime, setQueryTimeOut

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, remove

Methods inherited from interface java.io.Closeable

close

Constructor Detail

OracleVertexIteratorImpl

public OracleVertexIteratorImpl(OraclePropertyGraph opg,
                                java.sql.ResultSet rs,
                                OraclePropertyGraphBase.OptimizationFlag flag)

A package level constructor. This class should not be visible for client code.

Method Detail

next

public OracleVertex next()

Returns the next element.

Specified by:

next in interface java.util.Iterator<OracleVertexBase>