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115 lines
4.1 KiB
115 lines
4.1 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIBTEXTCLASSIFIER_UTILS_INTENTS_JNI_H_
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#define LIBTEXTCLASSIFIER_UTILS_INTENTS_JNI_H_
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#include <jni.h>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "utils/base/statusor.h"
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#include "utils/flatbuffers/flatbuffers.h"
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#include "utils/flatbuffers/mutable.h"
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#include "utils/intents/remote-action-template.h"
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#include "utils/java/jni-base.h"
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#include "utils/java/jni-cache.h"
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#include "utils/optional.h"
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#include "utils/variant.h"
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#ifndef TC3_REMOTE_ACTION_TEMPLATE_CLASS_NAME
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#define TC3_REMOTE_ACTION_TEMPLATE_CLASS_NAME RemoteActionTemplate
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#endif
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#define TC3_REMOTE_ACTION_TEMPLATE_CLASS_NAME_STR \
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TC3_ADD_QUOTES(TC3_REMOTE_ACTION_TEMPLATE_CLASS_NAME)
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#ifndef TC3_NAMED_VARIANT_CLASS_NAME
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#define TC3_NAMED_VARIANT_CLASS_NAME NamedVariant
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#endif
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#define TC3_NAMED_VARIANT_CLASS_NAME_STR \
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TC3_ADD_QUOTES(TC3_NAMED_VARIANT_CLASS_NAME)
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namespace libtextclassifier3 {
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// A helper class to create RemoteActionTemplate object from model results.
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class RemoteActionTemplatesHandler {
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public:
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static StatusOr<std::unique_ptr<RemoteActionTemplatesHandler>> Create(
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const std::shared_ptr<JniCache>& jni_cache);
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StatusOr<ScopedLocalRef<jstring>> AsUTF8String(
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const Optional<std::string>& optional) const;
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StatusOr<ScopedLocalRef<jobject>> AsInteger(
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const Optional<int>& optional) const;
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StatusOr<ScopedLocalRef<jobjectArray>> AsStringArray(
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const std::vector<std::string>& values) const;
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StatusOr<ScopedLocalRef<jfloatArray>> AsFloatArray(
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const std::vector<float>& values) const;
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StatusOr<ScopedLocalRef<jintArray>> AsIntArray(
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const std::vector<int>& values) const;
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StatusOr<ScopedLocalRef<jobject>> AsNamedVariant(const std::string& name,
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const Variant& value) const;
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StatusOr<ScopedLocalRef<jobjectArray>> AsNamedVariantArray(
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const std::map<std::string, Variant>& values) const;
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StatusOr<ScopedLocalRef<jobjectArray>> RemoteActionTemplatesToJObjectArray(
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const std::vector<RemoteActionTemplate>& remote_actions) const;
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StatusOr<ScopedLocalRef<jobjectArray>> EntityDataAsNamedVariantArray(
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const reflection::Schema* entity_data_schema,
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const std::string& serialized_entity_data) const;
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private:
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explicit RemoteActionTemplatesHandler(
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const std::shared_ptr<JniCache>& jni_cache)
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: jni_cache_(jni_cache),
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integer_class_(nullptr, jni_cache->jvm),
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remote_action_template_class_(nullptr, jni_cache->jvm),
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named_variant_class_(nullptr, jni_cache->jvm) {}
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std::shared_ptr<JniCache> jni_cache_;
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// java.lang.Integer
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ScopedGlobalRef<jclass> integer_class_;
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jmethodID integer_init_ = nullptr;
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// RemoteActionTemplate
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ScopedGlobalRef<jclass> remote_action_template_class_;
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jmethodID remote_action_template_init_ = nullptr;
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// NamedVariant
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ScopedGlobalRef<jclass> named_variant_class_;
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jmethodID named_variant_from_int_ = nullptr;
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jmethodID named_variant_from_long_ = nullptr;
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jmethodID named_variant_from_float_ = nullptr;
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jmethodID named_variant_from_double_ = nullptr;
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jmethodID named_variant_from_bool_ = nullptr;
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jmethodID named_variant_from_string_ = nullptr;
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jmethodID named_variant_from_string_array_ = nullptr;
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jmethodID named_variant_from_float_array_ = nullptr;
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jmethodID named_variant_from_int_array_ = nullptr;
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jmethodID named_variant_from_named_variant_array_ = nullptr;
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};
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} // namespace libtextclassifier3
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#endif // LIBTEXTCLASSIFIER_UTILS_INTENTS_JNI_H_
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