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Contains classes to talk to the domain controller using the DMR protocol

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/*
 *  Copyright 2022 Red Hat
 *
 *  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
 *
 *      https://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 org.jboss.hal.dmr;

import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;

/** Represents the result of a composite operation. */
public class CompositeResult implements Iterable {

    private final LinkedHashMap steps;

    public CompositeResult(ModelNode steps) {
        this.steps = new LinkedHashMap<>();
        if (steps.isDefined()) {
            for (Property property : steps.asPropertyList()) {
                this.steps.put(property.getName(), property.getValue());
            }
        }
    }

    /**
     * @param index zero-based!
     *
     * @return the related step result
     */
    public ModelNode step(int index) {
        return step("step-" + (index + 1)); // NON-NLS
    }

    /**
     * @param step Step as "step-n" (one-based!)
     *
     * @return the related step result
     */
    public ModelNode step(String step) {
        if (steps.containsKey(step)) {
            return steps.get(step);
        }
        return new ModelNode();
    }

    @Override
    public Iterator iterator() {
        return steps.values().iterator();
    }

    /** @return the number of steps */
    public int size() {
        return steps.size();
    }

    /** @return whether this composite result contains steps */
    public boolean isEmpty() {
        return steps.isEmpty();
    }

    public boolean isFailure() {
        return stream().noneMatch(ModelNode::isFailure);
    }

    public Stream stream() {
        return StreamSupport.stream(spliterator(), false);
    }
}