com.denodo.vdb.engine.customwrapper.expression

Class CustomWrapperFieldExpression

java.lang.Object

com.denodo.vdb.engine.customwrapper.expression.CustomWrapperExpression

com.denodo.vdb.engine.customwrapper.expression.CustomWrapperFieldExpression

public final class CustomWrapperFieldExpression
extends CustomWrapperExpression

Represents a field (or a field's sub-field) in Custom Wrapper conditions.

See Also:

CustomWrapperCondition

Field Summary

Fields inherited from class com.denodo.vdb.engine.customwrapper.expression.CustomWrapperExpression

ARRAY_TYPE, CONDITION_TYPE, CONTAINS_TYPE, FIELD_TYPE, FUNCTION_TYPE, REGISTER_TYPE, SIMPLE_TYPE

Constructor Summary

Constructors

Constructor and Description
CustomWrapperFieldExpression(int index) Creates an instance of CustomWrapperFieldExpression which is an index.
CustomWrapperFieldExpression(String name) Creates an instance of CustomWrapperFieldExpression with a name.
CustomWrapperFieldExpression(String name, List<CustomWrapperFieldExpression> subFields) Deprecated.

Method Summary

Modifier and Type	Method and Description
protected int	getExpressionType()
String	getName()
String	getStringRepresentation()
List<CustomWrapperFieldExpression>	getSubFields() Deprecated. This method is deprecated and it may be removed in future releases of the Denodo Platform.
boolean	hasSubFields() Deprecated. This method is deprecated and it may be removed in future releases of the Denodo Platform.
String	toString()

Methods inherited from class com.denodo.vdb.engine.customwrapper.expression.CustomWrapperExpression

equals, hashCode, isArrayExpression, isConditionExpression, isContainsExpression, isFieldExpression, isFunctionExpression, isRegisterExpression, isSimpleExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomWrapperFieldExpression

public CustomWrapperFieldExpression(String name)

Creates an instance of CustomWrapperFieldExpression with a name.

Users do not need to instantiate this class.

Parameters:

name - this field's name

CustomWrapperFieldExpression

@Deprecated
public CustomWrapperFieldExpression(String name,
                                                 List<CustomWrapperFieldExpression> subFields)

Deprecated.

Creates an instance of CustomWrapperFieldExpression with a list of sub-fields.

Users do not need to instantiate this class.

Parameters:

name - this field's name

subFields - a list of sub-fields for this field

CustomWrapperFieldExpression

public CustomWrapperFieldExpression(int index)

Creates an instance of CustomWrapperFieldExpression which is an index. This kind of fields are intended to be sub-fields of fields which correspond to an array in the Custom Wrapper's schema.

Users do not need to instantiate this class.

Parameters:

index - this sub-field's index

Method Detail

getName

public String getName()

Returns:

this field's name

getStringRepresentation

public String getStringRepresentation()

Returns:

this field's String representation. This representation is generated using the field's sub-fields, if there are any. For example: myfield, myfield.mysubfield, myarray[2], myfield.myarray[10].myinteger

getSubFields

@Deprecated
public List<CustomWrapperFieldExpression> getSubFields()

Deprecated. This method is deprecated and it may be removed in future releases of the Denodo Platform.

Returns:

a list containing all the sub-fields of this field

hasSubFields

@Deprecated
public boolean hasSubFields()

Deprecated. This method is deprecated and it may be removed in future releases of the Denodo Platform.

Returns:

true if this field has any sub-fields, false otherwise.

getExpressionType

protected int getExpressionType()

Specified by:

getExpressionType in class CustomWrapperExpression

toString

public String toString()

Specified by:

toString in class CustomWrapperExpression