Package dev.morphia.aggregation.expressions.impls

Class IndexExpression

java.lang.Object

dev.morphia.aggregation.expressions.impls.Expression

dev.morphia.aggregation.expressions.impls.IndexExpression

public class IndexExpression
extends Expression

Defines the $indexOfBytes expression

Since:

2.0

Constructor Summary

Constructors

Constructor	Description
IndexExpression(String operation, Expression string, Expression substring)	Creates the new expression

Method Summary

Modifier and Type	Method	Description
void	encode(Datastore datastore, BsonWriter writer, EncoderContext encoderContext)
IndexExpression	end(int end)	Sets the end boundary for searching
IndexExpression	start(int start)	Sets the start boundary for searching

Methods inherited from class dev.morphia.aggregation.expressions.impls.Expression

getOperation, getValue, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

IndexExpression

@MorphiaInternal
public IndexExpression(String operation,
                       Expression string,
                       Expression substring)

Creates the new expression

Parameters:

operation - the index operation name

string - the string to search

substring - the target string

Developer note.

This is an internal item. Its function and presence are subject to change without warning. Its use is highly discouraged.

Method Detail

encode

public void encode(Datastore datastore,
                   BsonWriter writer,
                   EncoderContext encoderContext)

Overrides:

encode in class Expression

Parameters:

datastore - the datastore

writer - the writer

encoderContext - the context

end

public IndexExpression end(int end)

Sets the end boundary for searching

Parameters:

end - the end

Returns:

this

start

public IndexExpression start(int start)

Sets the start boundary for searching

Parameters:

start - the start

Returns:

this