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common/src/main/java/org/opensearch/ml/common/agent/LLMSpec.java
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/* | ||
* Copyright OpenSearch Contributors | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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package org.opensearch.ml.common.agent; | ||
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import lombok.Builder; | ||
import lombok.Getter; | ||
import org.opensearch.core.common.io.stream.StreamInput; | ||
import org.opensearch.core.common.io.stream.StreamOutput; | ||
import org.opensearch.core.xcontent.ToXContentObject; | ||
import org.opensearch.core.xcontent.XContentBuilder; | ||
import org.opensearch.core.xcontent.XContentParser; | ||
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import java.io.IOException; | ||
import java.util.Map; | ||
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import static org.opensearch.core.xcontent.XContentParserUtils.ensureExpectedToken; | ||
import static org.opensearch.ml.common.utils.StringUtils.getParameterMap; | ||
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@Getter | ||
public class LLMSpec implements ToXContentObject { | ||
public static final String MODEL_ID_FIELD = "model_id"; | ||
public static final String PARAMETERS_FIELD = "parameters"; | ||
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private String modelId; | ||
private Map<String, String> parameters; | ||
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@Builder(toBuilder = true) | ||
public LLMSpec(String modelId, Map<String, String> parameters) { | ||
if (modelId == null) { | ||
throw new IllegalArgumentException("model id is null"); | ||
} | ||
this.modelId = modelId; | ||
this.parameters = parameters; | ||
} | ||
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public LLMSpec(StreamInput input) throws IOException{ | ||
modelId = input.readString(); | ||
if (input.readBoolean()) { | ||
parameters = input.readMap(StreamInput::readString, StreamInput::readOptionalString); | ||
} | ||
} | ||
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public void writeTo(StreamOutput out) throws IOException { | ||
out.writeString(modelId); | ||
if (parameters != null && parameters.size() > 0) { | ||
out.writeBoolean(true); | ||
out.writeMap(parameters, StreamOutput::writeString, StreamOutput::writeOptionalString); | ||
} else { | ||
out.writeBoolean(false); | ||
} | ||
} | ||
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@Override | ||
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
builder.startObject(); | ||
if (modelId != null) { | ||
builder.field(MODEL_ID_FIELD, modelId); | ||
} | ||
if (parameters != null && parameters.size() > 0) { | ||
builder.field(PARAMETERS_FIELD, parameters); | ||
} | ||
builder.endObject(); | ||
return builder; | ||
} | ||
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public static LLMSpec parse(XContentParser parser) throws IOException { | ||
String modelId = null; | ||
Map<String, String> parameters = null; | ||
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ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser); | ||
while (parser.nextToken() != XContentParser.Token.END_OBJECT) { | ||
String fieldName = parser.currentName(); | ||
parser.nextToken(); | ||
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switch (fieldName) { | ||
case MODEL_ID_FIELD: | ||
modelId = parser.text(); | ||
break; | ||
case PARAMETERS_FIELD: | ||
parameters = getParameterMap(parser.map()); | ||
break; | ||
default: | ||
parser.skipChildren(); | ||
break; | ||
} | ||
} | ||
return LLMSpec.builder() | ||
.modelId(modelId) | ||
.parameters(parameters) | ||
.build(); | ||
} | ||
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public static LLMSpec fromStream(StreamInput in) throws IOException { | ||
LLMSpec toolSpec = new LLMSpec(in); | ||
return toolSpec; | ||
} | ||
} |
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