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MappingScript.java
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/
MappingScript.java
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/*
* Copyright (c) 2017 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
*
* Contributors:
* Bosch Software Innovations GmbH - initial contribution
*/
package org.eclipse.ditto.model.amqpbridge;
import java.util.Map;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.json.JsonFactory;
import org.eclipse.ditto.json.JsonField;
import org.eclipse.ditto.json.JsonFieldDefinition;
import org.eclipse.ditto.json.JsonFieldSelector;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.model.base.json.FieldType;
import org.eclipse.ditto.model.base.json.JsonSchemaVersion;
import org.eclipse.ditto.model.base.json.Jsonifiable;
/**
* TODO doc
*/
@Immutable
public interface MappingScript extends Jsonifiable.WithFieldSelectorAndPredicate<JsonField> {
/**
* @return the content-type of the payloads to map with this MappingScript.
*/
String getContentType();
/**
* E.g. "JavaScript", "Rhino"
* @return
*/
String getMappingEngine();
/**
*
* @return
*/
Map<String, String> getOptions();
/**
* Returns all non hidden marked fields of this {@code AmqpConnection}.
*
* @return a JSON object representation of this AmqpConnection including only non hidden marked fields.
*/
@Override
default JsonObject toJson() {
return toJson(FieldType.notHidden());
}
@Override
default JsonObject toJson(final JsonSchemaVersion schemaVersion, final JsonFieldSelector fieldSelector) {
return toJson(schemaVersion, FieldType.notHidden()).get(fieldSelector);
}
/**
* An enumeration of the known {@code JsonField}s of a {@code MappingScript}.
*/
@Immutable
final class JsonFields {
/**
* JSON field containing the {@code content-type} of message for which to apply the mapping.
*/
public static final JsonFieldDefinition<String> CONTENT_TYPE =
JsonFactory.newStringFieldDefinition("contentType", FieldType.REGULAR,
JsonSchemaVersion.V_1, JsonSchemaVersion.V_2);
/**
* JSON field containing the {@code mappingEngine} to use in order to map messages.
*/
public static final JsonFieldDefinition<String> MAPPING_ENGINE =
JsonFactory.newStringFieldDefinition("mappingEngine", FieldType.REGULAR,
JsonSchemaVersion.V_1, JsonSchemaVersion.V_2);
/**
* JSON field containing the options for the mapping.
*/
public static final JsonFieldDefinition<JsonObject> OPTIONS =
JsonFactory.newJsonObjectFieldDefinition("options", FieldType.REGULAR, JsonSchemaVersion.V_1,
JsonSchemaVersion.V_2);
private JsonFields() {
throw new AssertionError();
}
}
}