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The parser module for ExpreTau

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/*
 * Copyright 2020 DataCanvas
 *
 * 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.github.datacanvasio.expretau.schema;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonPropertyOrder;
import com.fasterxml.jackson.annotation.JsonTypeName;
import io.github.datacanvasio.expretau.runtime.TypeCode;
import io.github.datacanvasio.expretau.runtime.schema.RtSchema;
import io.github.datacanvasio.expretau.runtime.schema.RtSchemaDict;
import io.github.datacanvasio.expretau.runtime.schema.RtSchemaLeaf;
import lombok.Getter;

import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nonnull;

@JsonTypeName("object")
@JsonPropertyOrder({"properties", "additionalProperties"})
public final class SchemaObject extends Schema {
    @JsonProperty("properties")
    @Getter
    private Map properties;

    @JsonProperty("additionalProperties")
    @Getter
    private Boolean additionalProperties;

    @Override
    @Nonnull
    public RtSchema createRtSchema() {
        if (additionalProperties == null || additionalProperties) {
            return new RtSchemaLeaf(TypeCode.MAP);
        }
        if (properties == null) {
            return new RtSchemaLeaf(TypeCode.OBJECT);
        }
        Map children = new HashMap<>(properties.size());
        for (Map.Entry entry : properties.entrySet()) {
            children.put(entry.getKey(), entry.getValue().createRtSchema());
        }
        return new RtSchemaDict(children);
    }
}