oracle.javatools.db.sql
Class SelectObject

java.lang.Object
  oracle.javatools.db.AbstractDBObject
      oracle.javatools.db.AbstractChildDBObject
          oracle.javatools.db.sql.AbstractSQLFragment
              oracle.javatools.db.sql.AbstractAliasFragment
                  oracle.javatools.db.sql.SelectObject

All Implemented Interfaces:

ChildDBObject, DBObject, AliasFragment, SQLFragment, Copyable, DynamicPropertySet

public class SelectObject
extends AbstractAliasFragment

Object that represents a clause in the SELECT statement of a SQL query.

Since:

10.1.3

Nested Class Summary

Nested classes/interfaces inherited from class oracle.javatools.db.AbstractDBObject

AbstractDBObject.ChildSupport

Field Summary

static java.lang.String

TYPE

Fields inherited from class oracle.javatools.db.sql.AbstractSQLFragment

DEFAULT_SEPARATOR, EMPTY, EMPTY_ARRAY, NEWLINE, SPACE

Fields inherited from interface oracle.javatools.db.sql.SQLFragment

CONNECTBY, FROM, GROUPBY, HAVING, NOCYCLE, ORDERBY, SELECT, STARTWITH, WHERE

Fields inherited from interface oracle.javatools.db.DBObject

COMMENT

Constructor Summary

SelectObject()
Create an empty select object.

SelectObject(SQLFragment expression, java.lang.String alias)
Create a select object with the given expression and alias.

SelectObject(SQLFragment expression, java.lang.String alias, boolean useAs)
Create a select object with the given expression and alias.

Method Summary

java.lang.String	getType() Returns the type of this object.
boolean	isUseAs() Gets whether or not this select object will use AS between expression and alias in the sql text.
void	setUseAs(boolean useAs) Sets whether or not this select object should use AS between expression and alias in the sql text.
protected boolean	useAsBeforeAlias() Returns true if the current fragment should have an AS between expression and alias.

Methods inherited from class oracle.javatools.db.sql.AbstractAliasFragment

canHaveAlias, canUseAsAlias, getAlias, getExpression, getName, getSQLText, getUsableAlias, setAlias, setExpression, setName, toString

Methods inherited from class oracle.javatools.db.sql.AbstractSQLFragment

appendToBuffer, argsToString, getTextOrNull, getTextOrNull, setParent, surroundWithBrackets, surroundWithBrackets

Methods inherited from class oracle.javatools.db.AbstractChildDBObject

copyToImpl, findParent, getParent, getProperty, setProperty

Methods inherited from class oracle.javatools.db.AbstractDBObject

changeParent, compareToImpl, copyObject, copyTo, copyTo, copyTo, copyTo, equals, equalsImpl, findOwnedObject, findOwnedObject, findOwnedObject, getChildSupport, getID, getOwnedObjects, getOwnedObjects, getOwnedObjectsImpl, getProperties, getProperty, getReferenceIDs, getReferenceIDsImpl, hashCode, includeOwnedObject, includesType, includesType, removeThisAsParent, replaceReferenceIDs, setID, setProperties

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface oracle.javatools.db.ChildDBObject

getParent, setParent

Methods inherited from interface oracle.javatools.db.DBObject

copyTo, copyTo, copyTo, findOwnedObject, findOwnedObject, getID, getOwnedObjects, getOwnedObjects, getReferenceIDs, replaceReferenceIDs, setID

Methods inherited from interface oracle.javatools.util.DynamicPropertySet

getProperties, getProperty, getProperty, setProperties, setProperty

Field Detail

TYPE

public static final java.lang.String TYPE

See Also:

Constant Field Values

Constructor Detail

SelectObject

public SelectObject()

Create an empty select object.

SelectObject

public SelectObject(SQLFragment expression,
                    java.lang.String alias)

Create a select object with the given expression and alias.

SelectObject

public SelectObject(SQLFragment expression,
                    java.lang.String alias,
                    boolean useAs)

Create a select object with the given expression and alias.

Method Detail

getType

public java.lang.String getType()

Description copied from interface: DBObject

Returns the type of this object. Valid types include things like tables, views, synonyms, and columns.

Specified by:

getType in interface DBObject

Overrides:

getType in class AbstractSQLFragment

Returns:

a string describing the type of object.

useAsBeforeAlias

protected boolean useAsBeforeAlias()

Description copied from class: AbstractAliasFragment

Returns true if the current fragment should have an AS between expression and alias. Returns false by default, subclasses override if appropraite.

Overrides:

useAsBeforeAlias in class AbstractAliasFragment

setUseAs

public void setUseAs(boolean useAs)

Sets whether or not this select object should use AS between expression and alias in the sql text.

isUseAs

public boolean isUseAs()

Gets whether or not this select object will use AS between expression and alias in the sql text.