io.syndesis.common.model.action.StepDescriptor Maven / Gradle / Ivy

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/*
 * Copyright (C) 2016 Red Hat, Inc.
 *
 * 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.syndesis.common.model.action;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.function.Consumer;

import io.syndesis.common.model.DataShape;
import io.syndesis.common.model.connection.ConfigurationProperty;

import org.immutables.value.Value;

import com.fasterxml.jackson.databind.annotation.JsonDeserialize;

@Value.Immutable
@JsonDeserialize(builder = StepDescriptor.Builder.class)
@SuppressWarnings("immutables")
public interface StepDescriptor extends ActionDescriptor, Serializable {

    final class Builder extends ImmutableStepDescriptor.Builder {
        // make ImmutableActionDefinition.Builder accessible

        public StepDescriptor.Builder withActionDefinitionStep(
            final String name,
            final String description,
            final Consumer stepConfigurator) {

            stepConfigurator.andThen(
                builder -> addPropertyDefinitionStep(builder.build())
            ).accept(
                new ActionDescriptorStep.Builder()
                    .name(name)
                    .description(description)
            );

            return this;
        }

        public StepDescriptor.Builder replaceConfigurationProperty(final String propertyName,
                                                                   final Consumer configurationPropertyConfigurator) {
            final StepDescriptor definition = build();
            final List steps = definition.getPropertyDefinitionSteps();

            int stepIdx;
            ActionDescriptorStep step = null;
            for (stepIdx = 0; stepIdx < steps.size(); stepIdx++) {
                final ActionDescriptorStep potentialStep = steps.get(stepIdx);

                final Map properties = potentialStep.getProperties();
                if (properties.containsKey(propertyName)) {
                    step = potentialStep;
                    break;
                }
            }

            if (step == null) {
                // found no property to replace, lets just ignore it
                return this;
            }

            final ConfigurationProperty configurationProperty = step.getProperties().get(propertyName);
            final ConfigurationProperty.Builder configurationPropertyModifier = new ConfigurationProperty.Builder().createFrom(configurationProperty);

            configurationPropertyConfigurator.accept(configurationPropertyModifier);

            final ActionDescriptorStep.Builder stepModifier = new ActionDescriptorStep.Builder()
                .createFrom(step)
                .putProperty(propertyName, configurationPropertyModifier.build());

            final List modifiedSteps = new ArrayList<>(steps);
            modifiedSteps.set(stepIdx, stepModifier.build());

            return propertyDefinitionSteps(modifiedSteps);
        }

        public StepDescriptor.Builder withInputDataShape(final Optional inputDataShape) {
            return inputDataShape(inputDataShape);
        }

        public StepDescriptor.Builder withOutputDataShape(final Optional outputDataShape) {
            return outputDataShape(outputDataShape);
        }
    }


    StepAction.Kind getKind();

    String getEntrypoint();

    String getResource();

    default StepDescriptor.Builder builder() {
        return new StepDescriptor.Builder().createFrom(this);
    }
}