oracle.pg.rdbms.pgql

Interface PgqlResultElement

All Known Implementing Classes:

PgqlResultElementImpl

public interface PgqlResultElement

Represents a single element in a PGQL query result row.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getColumnName() Returns the name of the projected PGQL column for this result element
PgqlColumnDescriptor.Type	getColumnType() Returns the type of column:
java.lang.Object	getContents() Returns the value of this result element.
int	getValueType() Returns the type of value for elements with VALUE column type.

Method Detail

getColumnName

java.lang.String getColumnName()

Returns the name of the projected PGQL column for this result element

Returns:

the column name

getColumnType

PgqlColumnDescriptor.Type getColumnType()

Returns the type of column:

PgqlColumnDescriptor.Type.VERTEX
PgqlColumnDescriptor.Type.EDGE
PgqlColumnDescriptor.Type.VALUE

Returns:

the column type

getContents

java.lang.Object getContents()
                      throws oracle.pgql.lang.PgqlException

Returns the value of this result element. The returned object can be cast to the appropriate Java Object type.

Returns:

the contents of this result element

Throws:

oracle.pgql.lang.PgqlException - when attempting to get a vertex or an edge object

getValueType

int getValueType()

Returns the type of value for elements with VALUE column type. The returned values correspond to values in the T column of the PG relational schema.

Returns:

the type of value