/**
 * Copyright (c) 2008-2013, http://www.snakeyaml.org
 *
 * 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 org.yaml.snakeyaml.nodes;

import java.util.List;

import org.yaml.snakeyaml.error.Mark;

/**
 * Represents a sequence.
 * <p>
 * A sequence is a ordered collection of nodes.
 * </p>
 */
public class SequenceNode extends CollectionNode {
	final private List<Node> value;

	public SequenceNode(final Tag tag, final boolean resolved, final List<Node> value, final Mark startMark, final Mark endMark,
			final Boolean flowStyle) {
		super(tag, startMark, endMark, flowStyle);
		if (value == null) {
			throw new NullPointerException("value in a Node is required.");
		}
		this.value = value;
		this.resolved = resolved;
	}

	public SequenceNode(final Tag tag, final List<Node> value, final Boolean flowStyle) {
		this(tag, true, value, null, null, flowStyle);
	}

	@Override
	public NodeId getNodeId() {
		return NodeId.sequence;
	}

	/**
	 * Returns the elements in this sequence.
	 * 
	 * @return Nodes in the specified order.
	 */
	public List<Node> getValue() {
		return value;
	}

	public void setListType(final Class<? extends Object> listType) {
		for (Node node : value) {
			node.setType(listType);
		}
	}

	@Override
	public String toString() {
		return "<" + this.getClass().getName() + " (tag=" + getTag() + ", value=" + getValue() + ")>";
	}
}