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Add Sampling feature #90
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -25,7 +25,7 @@ enum McpCapability { | |
| COMPLETION, | ||
| PAGINATION, | ||
| SAMPLING, | ||
| ROOT, | ||
| ROOTS, | ||
| PROGRESS; | ||
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| String text() { | ||
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87 changes: 87 additions & 0 deletions
87
server/src/main/java/io/helidon/extensions/mcp/server/McpDecorators.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * Copyright (c) 2025 Oracle and/or its affiliates. | ||
| * | ||
| * 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. | ||
| */ | ||
| package io.helidon.extensions.mcp.server; | ||
|
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| import java.util.Optional; | ||
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| import io.helidon.builder.api.Prototype; | ||
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| import static io.helidon.extensions.mcp.server.McpPagination.DEFAULT_PAGE_SIZE; | ||
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| /** | ||
| * Placeholder for the MCP configuration decorators. | ||
| */ | ||
| final class McpDecorators { | ||
| private McpDecorators() { | ||
| } | ||
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| /** | ||
| * Enforce positive page size. | ||
| * <p> | ||
| * See {@link io.helidon.extensions.mcp.server.McpPagination}. | ||
| */ | ||
| static class PageSizeDecorator implements Prototype.OptionDecorator<McpServerConfig.BuilderBase<?, ?>, Integer> { | ||
| @Override | ||
| public void decorate(McpServerConfig.BuilderBase<?, ?> builder, Integer pageSize) { | ||
| if (pageSize < DEFAULT_PAGE_SIZE) { | ||
| throw new IllegalArgumentException("Page size must be greater than zero"); | ||
| } | ||
| } | ||
| } | ||
|
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| /** | ||
| * Enforce intelligence priority value between 0 and 1. | ||
| * <p> | ||
| * See {@link io.helidon.extensions.mcp.server.McpSamplingRequest}. | ||
| */ | ||
| static class IntelligencePriorityDecorator implements Prototype.OptionDecorator<McpSamplingRequest.BuilderBase<?, ?>, Optional<Double>> { | ||
| @Override | ||
| public void decorate(McpSamplingRequest.BuilderBase<?, ?> builder, Optional<Double> value) { | ||
| value.filter(McpDecorators::isPositiveAndInferiorToOne) | ||
| .orElseThrow(() -> new IllegalArgumentException("Intelligence priority must be in range [0, 1]")); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Enforce speed priority value between 0 and 1. | ||
| * <p> | ||
| * See {@link io.helidon.extensions.mcp.server.McpSamplingRequest}. | ||
| */ | ||
| static class SpeedPriorityDecorator implements Prototype.OptionDecorator<McpSamplingRequest.BuilderBase<?, ?>, Optional<Double>> { | ||
| @Override | ||
| public void decorate(McpSamplingRequest.BuilderBase<?, ?> builder, Optional<Double> value) { | ||
| value.filter(McpDecorators::isPositiveAndInferiorToOne) | ||
| .orElseThrow(() -> new IllegalArgumentException("Speed priority must be in range [0, 1]")); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Enforce cost priority value between 0 and 1. | ||
| * <p> | ||
| * See {@link io.helidon.extensions.mcp.server.McpSamplingRequest}. | ||
| */ | ||
| static class CostPriorityDecorator implements Prototype.OptionDecorator<McpSamplingRequest.BuilderBase<?, ?>, Optional<Double>> { | ||
| @Override | ||
| public void decorate(McpSamplingRequest.BuilderBase<?, ?> builder, Optional<Double> value) { | ||
| value.filter(McpDecorators::isPositiveAndInferiorToOne) | ||
| .orElseThrow(() -> new IllegalArgumentException("Cost priority must be in range [0, 1]")); | ||
| } | ||
| } | ||
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| static boolean isPositiveAndInferiorToOne(Double value) { | ||
| return 0 <= value && value <= 1.0; | ||
| } | ||
| } | ||
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