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    • prompto.value.IValue Maven / Gradle / Ivy

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    package prompto.value;

import java.lang.reflect.Type;
import java.util.Map;
import java.util.function.Consumer;
import java.util.function.Function;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.JsonNodeFactory;
import com.fasterxml.jackson.databind.node.ObjectNode;

import prompto.error.NotStorableError;
import prompto.error.PromptoError;
import prompto.grammar.Identifier;
import prompto.intrinsic.PromptoDbId;
import prompto.runtime.Context;
import prompto.store.DataStore;
import prompto.store.IStorable;
import prompto.type.IType;

/** IValue is a wrapper around intrinsic or primitive values 
 * which helps expose an API for the interpreter 
 */
public interface IValue {
	
	@SuppressWarnings("unchecked")
	public static int compareValues(IValue v1, IValue v2) {
		if(v1==null && v2==null)
			return 0;
		else if(v1==null)
			return -1;
		else if(v2==null)
			return 1;
		else if(v1 instanceof Comparable)
			return ((Comparable)v1).compareTo(v2);
		else
			return v1.toString().compareTo(v2.toString());
	}
	
	 // the underlying primitive/intrinsic data
	default Object getStorableData() throws NotStorableError {
		throw new UnsupportedOperationException("getStorableData not supported by " + this.getClass().getSimpleName());
	};
	
	default void collectStorables(Consumer collector) throws NotStorableError {
		throw new UnsupportedOperationException("collectStorables not supported by " + this.getClass().getSimpleName());
	};
	
	void setType(IType type);
	
	default IType getType() {
		throw new UnsupportedOperationException("getType not supported by " + this.getClass().getSimpleName());
	};
	
	default boolean isMutable() {
		throw new UnsupportedOperationException("isMutable not supported by " + this.getClass().getSimpleName());
	}
	
	default IValue plus(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("plus not supported by " + this.getClass().getSimpleName());
	}

	default public IValue minus(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("minus not supported by " + this.getClass().getSimpleName());
	}

	default IValue multiply(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("multiply not supported by " + this.getClass().getSimpleName());
	}

	default IValue divide(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("divide not supported by " + this.getClass().getSimpleName());
	}

	default IValue intDivide(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("intDivide not supported by " + this.getClass().getSimpleName());
	}

	default IValue modulo(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("modulo not supported by " + this.getClass().getSimpleName());
	}

	default int compareTo(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("compareTo not supported by " + this.getClass().getSimpleName());
	}

	default void setMember(Context context, Identifier id, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("No member support for " + this.getClass().getSimpleName());
	}

	default IValue getMember(Context context, Identifier id, boolean autoCreate) throws PromptoError {
		if("text".equals(id.toString()))
			return new TextValue(this.toString());
		else if("json".equals(id.toString())) {
			JsonNode node = valueToJsonNode(context, value -> value.toUntypedJsonNode(context));
			return new TextValue(node.toString());
		} else
			throw new UnsupportedOperationException("No member support for " + this.getClass().getSimpleName());
	}

	default void setItem(Context context, IValue item, IValue value) {
		throw new UnsupportedOperationException("No item support for " + this.getClass().getSimpleName());
	}

	default IValue getItem(Context context, IValue item) {
		throw new UnsupportedOperationException("No item support for " + this.getClass().getSimpleName());
	}

	default boolean roughly(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("roughly not supported by " + this.getClass().getSimpleName());
	}
	
	default boolean contains(Context context, IValue value) throws PromptoError {
		throw new UnsupportedOperationException("contains not supported by " + this.getClass().getSimpleName());
	}

	default ISliceable asSliceable(Context context) throws PromptoError {
		throw new UnsupportedOperationException("asSliceable not supported by " + this.getClass().getSimpleName());
	}

	default Object toJavaValue(Context context, Type type) throws PromptoError {
		if(type==PromptoDbId.class)
			return DataStore.getInstance().convertToDbId(this.getStorableData());
		else if(type==Object.class)
			return this.getStorableData();
		else
			throw new UnsupportedOperationException("convertTo " + type.getTypeName() + " not supported by " + this.getClass().getSimpleName());
	}

	default JsonNode toTypedJsonNode(Context context) throws PromptoError {
		ObjectNode result = JsonNodeFactory.instance.objectNode();
		result.put("typeName", getType().getTypeName());
		result.set("value", valueToJsonNode(context, value -> value.toTypedJsonNode(context)));
		return result;
	}

	default JsonNode toUntypedJsonNode(Context context) throws PromptoError {
		return valueToJsonNode(context, value -> value.toUntypedJsonNode(context));
	}
	
	default JsonNode valueToJsonNode(Context context, Function producer) throws PromptoError {
		throw new UnsupportedOperationException("valueToJsonNode not supported by " + this.getClass().getSimpleName());
	}

	default void toJsonStream(Context context, JsonGenerator generator, boolean withType, Map binaries) throws PromptoError {
		throw new UnsupportedOperationException("toJsonStream not supported by " + this.getClass().getSimpleName());
	}

	default IValue toDocumentValue(Context context) {
		return this;
	}

	
}
    
    
    
    

    




    
    
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