Package org.springframework.ai.vectorstore

Class WeaviateFilterExpressionConverter

java.lang.Object

org.springframework.ai.vectorstore.filter.converter.AbstractFilterExpressionConverter

org.springframework.ai.vectorstore.WeaviateFilterExpressionConverter

All Implemented Interfaces:

FilterExpressionConverter

public class WeaviateFilterExpressionConverter
extends AbstractFilterExpressionConverter

Converts Filter.Expression into Weaviate metadata filter expression format. (https://weaviate.io/developers/weaviate/api/graphql/filters)

Author:

Christian Tzolov

Constructor Summary

Constructors

Constructor	Description
WeaviateFilterExpressionConverter(List<String> allowedIdentifierNames)

Method Summary

Modifier and Type	Method	Description
protected void	doExpression(Filter.Expression exp, StringBuilder context)
protected void	doGroup(Filter.Group group, StringBuilder context)
protected void	doKey(Filter.Key key, StringBuilder context)
protected void	doSingleValue(Object value, StringBuilder context)
protected void	doValue(Filter.Value filterValue, StringBuilder context)
void	setAllowedIdentifierNames(List<String> allowedIdentifierNames)
void	setMapIntegerToNumberValue(boolean mapIntegerToNumberValue)
String	withMetaPrefix(String identifier)

Methods inherited from class org.springframework.ai.vectorstore.filter.converter.AbstractFilterExpressionConverter

convertExpression, convertOperand, convertOperand, doAddValueRangeSpitter, doEndGroup, doEndValueRange, doNot, doStartGroup, doStartValueRange, hasOuterQuotes, removeOuterQuotes

Methods inherited from class java.lang.Object

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

Constructor Details

WeaviateFilterExpressionConverter

public WeaviateFilterExpressionConverter(List<String> allowedIdentifierNames)

Method Details

setAllowedIdentifierNames

public void setAllowedIdentifierNames(List<String> allowedIdentifierNames)

setMapIntegerToNumberValue

public void setMapIntegerToNumberValue(boolean mapIntegerToNumberValue)

doExpression

protected void doExpression(Filter.Expression exp,
 StringBuilder context)

Specified by:

doExpression in class AbstractFilterExpressionConverter

doKey

protected void doKey(Filter.Key key,
 StringBuilder context)

Specified by:

doKey in class AbstractFilterExpressionConverter

withMetaPrefix

public String withMetaPrefix(String identifier)

doValue

protected void doValue(Filter.Value filterValue,
 StringBuilder context)

Overrides:

doValue in class AbstractFilterExpressionConverter

doSingleValue

protected void doSingleValue(Object value,
 StringBuilder context)

Overrides:

doSingleValue in class AbstractFilterExpressionConverter

doGroup

protected void doGroup(Filter.Group group,
 StringBuilder context)

Overrides:

doGroup in class AbstractFilterExpressionConverter