tri.ai.core.TextPlugin.kt Maven / Gradle / Ivy

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/*-
 * #%L
 * promptkt-0.1.0-SNAPSHOT
 * %%
 * Copyright (C) 2023 Johns Hopkins University Applied Physics Laboratory
 * %%
 * Licensed 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.
 * #L%
 */
package tri.ai.core

import tri.ai.embedding.EmbeddingService
import tri.ai.openai.OpenAiTextPlugin
import java.util.*

/** Provides a set of plugins at runtime. */
interface TextPlugin {

    /** Provide a list of chat engines. */
    fun chatModels(): List

    /** Provide a list of text completion engines. */
    fun textCompletionModels(): List

    /** Provide a list of embedding models. */
    fun embeddingModels(): List

    companion object {
        private val plugins: ServiceLoader by lazy { ServiceLoader.load(TextPlugin::class.java) }
        val defaultPlugin = plugins.first { it is OpenAiTextPlugin } as OpenAiTextPlugin
        val orderedPlugins = listOf(defaultPlugin) + (plugins - defaultPlugin)

        fun textCompletionModels() = orderedPlugins.flatMap { it.textCompletionModels() }
        fun embeddingModels() = orderedPlugins.flatMap { it.embeddingModels() }
        fun chatModels() = orderedPlugins.flatMap { it.chatModels() }
    }

}