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[ML] Default chunked inference to regular inference call for 3rd part…
…y services (#106786) * Working chunked call for 3rd party services * Adding some java doc and clean up * Fixing test * Moving function to tests * Adding comments
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.../java/org/elasticsearch/xpack/core/inference/results/ChunkedTextEmbeddingByteResults.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License | ||
| * 2.0; you may not use this file except in compliance with the Elastic License | ||
| * 2.0. | ||
| */ | ||
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| package org.elasticsearch.xpack.core.inference.results; | ||
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| import org.elasticsearch.common.Strings; | ||
| import org.elasticsearch.common.io.stream.StreamInput; | ||
| import org.elasticsearch.common.io.stream.StreamOutput; | ||
| import org.elasticsearch.common.io.stream.Writeable; | ||
| import org.elasticsearch.inference.ChunkedInferenceServiceResults; | ||
| import org.elasticsearch.inference.InferenceResults; | ||
| import org.elasticsearch.xcontent.ToXContentObject; | ||
| import org.elasticsearch.xcontent.XContentBuilder; | ||
| import org.elasticsearch.xpack.core.ml.inference.results.ChunkedNlpInferenceResults; | ||
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| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
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| import static org.elasticsearch.xpack.core.inference.results.TextEmbeddingUtils.validateInputSizeAgainstEmbeddings; | ||
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| public record ChunkedTextEmbeddingByteResults(List<EmbeddingChunk> chunks, boolean isTruncated) implements ChunkedInferenceServiceResults { | ||
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| public static final String NAME = "chunked_text_embedding_service_byte_results"; | ||
| public static final String FIELD_NAME = "text_embedding_byte_chunk"; | ||
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| /** | ||
| * Returns a list of {@link ChunkedTextEmbeddingByteResults}. The number of entries in the list will match the input list size. | ||
| * Each {@link ChunkedTextEmbeddingByteResults} will have a single chunk containing the entire results from the | ||
| * {@link TextEmbeddingByteResults}. | ||
| */ | ||
| public static List<ChunkedInferenceServiceResults> of(List<String> inputs, TextEmbeddingByteResults textEmbeddings) { | ||
| validateInputSizeAgainstEmbeddings(inputs, textEmbeddings.embeddings().size()); | ||
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| var results = new ArrayList<ChunkedInferenceServiceResults>(inputs.size()); | ||
| for (int i = 0; i < inputs.size(); i++) { | ||
| results.add(of(inputs.get(i), textEmbeddings.embeddings().get(i).values())); | ||
| } | ||
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| return results; | ||
| } | ||
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| public static ChunkedTextEmbeddingByteResults of(String input, List<Byte> byteEmbeddings) { | ||
| return new ChunkedTextEmbeddingByteResults(List.of(new EmbeddingChunk(input, byteEmbeddings)), false); | ||
| } | ||
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| public ChunkedTextEmbeddingByteResults(StreamInput in) throws IOException { | ||
| this(in.readCollectionAsList(EmbeddingChunk::new), in.readBoolean()); | ||
| } | ||
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| // TODO add isTruncated flag | ||
| builder.startArray(FIELD_NAME); | ||
| for (var embedding : chunks) { | ||
| embedding.toXContent(builder, params); | ||
| } | ||
| builder.endArray(); | ||
| return builder; | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeCollection(chunks); | ||
| out.writeBoolean(isTruncated); | ||
| } | ||
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| @Override | ||
| public List<? extends InferenceResults> transformToCoordinationFormat() { | ||
| throw new UnsupportedOperationException("Chunked results are not returned in the coordinated action"); | ||
| } | ||
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| @Override | ||
| public List<? extends InferenceResults> transformToLegacyFormat() { | ||
| throw new UnsupportedOperationException("Chunked results are not returned in the legacy format"); | ||
| } | ||
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| @Override | ||
| public Map<String, Object> asMap() { | ||
| return Map.of(FIELD_NAME, chunks.stream().map(EmbeddingChunk::asMap).collect(Collectors.toList())); | ||
| } | ||
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| @Override | ||
| public String getWriteableName() { | ||
| return NAME; | ||
| } | ||
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| public List<EmbeddingChunk> getChunks() { | ||
| return chunks; | ||
| } | ||
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| public record EmbeddingChunk(String matchedText, List<Byte> embedding) implements Writeable, ToXContentObject { | ||
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| public EmbeddingChunk(StreamInput in) throws IOException { | ||
| this(in.readString(), in.readCollectionAsImmutableList(StreamInput::readByte)); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeString(matchedText); | ||
| out.writeCollection(embedding, StreamOutput::writeByte); | ||
| } | ||
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| builder.startObject(); | ||
| builder.field(ChunkedNlpInferenceResults.TEXT, matchedText); | ||
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| builder.startArray(ChunkedNlpInferenceResults.INFERENCE); | ||
| for (Byte value : embedding) { | ||
| builder.value(value); | ||
| } | ||
| builder.endArray(); | ||
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| builder.endObject(); | ||
| return builder; | ||
| } | ||
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| public Map<String, Object> asMap() { | ||
| var map = new HashMap<String, Object>(); | ||
| map.put(ChunkedNlpInferenceResults.TEXT, matchedText); | ||
| map.put(ChunkedNlpInferenceResults.INFERENCE, embedding); | ||
| return map; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return Strings.toString(this); | ||
| } | ||
| } | ||
| } |
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25 changes: 25 additions & 0 deletions
25
...plugin/core/src/main/java/org/elasticsearch/xpack/core/inference/results/ResultUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License | ||
| * 2.0; you may not use this file except in compliance with the Elastic License | ||
| * 2.0. | ||
| */ | ||
|
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| package org.elasticsearch.xpack.core.inference.results; | ||
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| import org.elasticsearch.ElasticsearchStatusException; | ||
| import org.elasticsearch.rest.RestStatus; | ||
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| public class ResultUtils { | ||
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| public static ElasticsearchStatusException createInvalidChunkedResultException(String receivedResultName) { | ||
| return new ElasticsearchStatusException( | ||
| "Expected a chunked inference [{}] received [{}]", | ||
| RestStatus.INTERNAL_SERVER_ERROR, | ||
| ChunkedTextEmbeddingResults.NAME, | ||
| receivedResultName | ||
| ); | ||
| } | ||
|
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| private ResultUtils() {} | ||
| } |
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