Package org.springframework.ai.vectorstore.filter.converter

Class PgVectorFilterExpressionConverter

java.lang.Object

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

org.springframework.ai.vectorstore.filter.converter.PgVectorFilterExpressionConverter

All Implemented Interfaces:

FilterExpressionConverter

public class PgVectorFilterExpressionConverter
extends AbstractFilterExpressionConverter

Converts Filter.Expression into PgVector metadata filter expression format. (https://www.postgresql.org/docs/current/functions-json.html)

Author:

Christian Tzolov

Constructor Summary

Constructors

Constructor	Description
PgVectorFilterExpressionConverter()

Method Summary

Modifier and Type	Method	Description
protected void	doEndGroup(Filter.Group group, StringBuilder context)
protected void	doExpression(Filter.Expression expression, StringBuilder context)
protected void	doKey(Filter.Key key, StringBuilder context)
protected void	doStartGroup(Filter.Group group, StringBuilder context)

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

convertExpression, convertOperand, convertOperand, doAddValueRangeSpitter, doEndValueRange, doGroup, doNot, doSingleValue, doStartValueRange, doValue, hasOuterQuotes, removeOuterQuotes

Methods inherited from class java.lang.Object

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

Constructor Details

PgVectorFilterExpressionConverter

public PgVectorFilterExpressionConverter()

Method Details

doExpression

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

Specified by:

doExpression in class AbstractFilterExpressionConverter

doKey

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

Specified by:

doKey in class AbstractFilterExpressionConverter

doStartGroup

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

Overrides:

doStartGroup in class AbstractFilterExpressionConverter

doEndGroup

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

Overrides:

doEndGroup in class AbstractFilterExpressionConverter