com.attivio.sdk.search.fields

Class MultiValueJoin

java.lang.Object

com.attivio.sdk.search.fields.FieldExpression

com.attivio.sdk.search.fields.UnaryFieldExpression

com.attivio.sdk.search.fields.MultiValueJoin

All Implemented Interfaces:

Serializable, Cloneable

public class MultiValueJoin
extends UnaryFieldExpression

FieldExpression that joins all values of a multi value field on a delimiter.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.attivio.sdk.search.fields.FieldExpression

FieldExpression.StringMode

Field Summary

Fields inherited from class com.attivio.sdk.search.fields.UnaryFieldExpression

expression

Fields inherited from class com.attivio.sdk.search.fields.FieldExpression

alias, EMPTY_ARRAY

Constructor Summary

Constructors

Constructor and Description
MultiValueJoin(FieldExpression expression, String delimiter)
MultiValueJoin(FieldExpression expression, String delimiter, String alias)
MultiValueJoin(String fieldName, String delimiter)
MultiValueJoin(String fieldName, String delimiter, String alias)

Method Summary

Modifier and Type	Method and Description
MultiValueJoin	clone()
protected MultiValueJoin	clone(FieldExpression e) Create a new instance of this FieldExpression, with a different argument.
String	getDelimiter() Get the delimiter that will join multiple values.
SchemaField.Type	getType(Schema schema) Resolve the type for this expression.
int	hashCode()
boolean	isConstant() Returns true if this field expression evaluates to a constant value.
protected boolean	parametersEqual(FieldExpression other) Returns true if other's parameters are the same as this.
void	setDelimiter(String value) Set the delimiter that will join mulitple values.
protected void	toString(StringBuilder buffer, FieldExpression.StringMode mode) Writes the string representation of this field expression to buffer.

Methods inherited from class com.attivio.sdk.search.fields.UnaryFieldExpression

equalsIgnoreAlias, getExpression, getFieldName, hasChildren, rewrite, rewriteChildren, setExpression

Methods inherited from class com.attivio.sdk.search.fields.FieldExpression

as, containsAlias, copyOf, equals, equalsIgnoreAlias, getAlias, getDefaultAlias, handleFieldExpression, isConstant, quote, rewrite, setAlias, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiValueJoin

public MultiValueJoin(String fieldName,
                      String delimiter)

MultiValueJoin

public MultiValueJoin(String fieldName,
                      String delimiter,
                      String alias)

MultiValueJoin

public MultiValueJoin(FieldExpression expression,
                      String delimiter)

MultiValueJoin

public MultiValueJoin(FieldExpression expression,
                      String delimiter,
                      String alias)

Method Detail

isConstant

public boolean isConstant()

Returns true if this field expression evaluates to a constant value.

Overrides:

isConstant in class UnaryFieldExpression

getType

public SchemaField.Type getType(Schema schema)

Resolve the type for this expression.

Specified by:

getType in class FieldExpression

getDelimiter

public String getDelimiter()

Get the delimiter that will join multiple values.

setDelimiter

public void setDelimiter(String value)

Set the delimiter that will join mulitple values.

toString

protected void toString(StringBuilder buffer,
                        FieldExpression.StringMode mode)

Writes the string representation of this field expression to buffer.

NOTE: the alias will not be written to buffer by this function.

Specified by:

toString in class FieldExpression

hashCode

public int hashCode()

Overrides:

hashCode in class UnaryFieldExpression

parametersEqual

protected boolean parametersEqual(FieldExpression other)

Returns true if other's parameters are the same as this.

Specified by:

parametersEqual in class UnaryFieldExpression

clone

public MultiValueJoin clone()

Overrides:

clone in class UnaryFieldExpression

clone

protected MultiValueJoin clone(FieldExpression e)

Create a new instance of this FieldExpression, with a different argument.

Overrides:

clone in class UnaryFieldExpression