com.hw.langchain.prompts.base.BasePromptTemplate Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hw.langchain.prompts.base;
import com.hw.langchain.schema.BaseOutputParser;
import com.hw.langchain.schema.PromptValue;
import lombok.Data;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Base class for all prompt templates, returning a prompt.
* @author HamaWhite
*/
@Data
public abstract class BasePromptTemplate {
/**
* A list of the names of the variables the prompt template expects.
*/
protected List inputVariables;
/**
* How to parse the output of calling an LLM on this formatted prompt.
*/
protected BaseOutputParser outputParser;
private Map partialVariables = new HashMap<>();
public BasePromptTemplate(List inputVariables) {
this.inputVariables = inputVariables;
}
public BasePromptTemplate(List inputVariables, BaseOutputParser outputParser) {
this.inputVariables = inputVariables;
this.outputParser = outputParser;
}
/**
* Create Chat Messages.
*/
public abstract PromptValue formatPrompt(Map kwargs);
/**
* Format the prompt with the inputs.
* @param kwargs Any arguments to be passed to the prompt template.
* @return A formatted string.
*/
public abstract String format(Map kwargs);
}