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/usr/include/JAGS/model/NodeArray.h is in jags 4.2.0-2.

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#ifndef NODE_ARRAY_H_
#define NODE_ARRAY_H_

#include <graph/Graph.h>
#include <sarray/SimpleRange.h>

#include <string>
#include <map>

namespace jags {

class SArray;
class Model;
class AggNode;

/**
 * @short Multi-dimensional array that can be tiled with Node objects
 * 
 * A NodeArray is a container class for nodes. A NodeArray may
 * represent a scalar, vector, matrix or multi-dimensional container
 * that can be tiled with Nodes using the insert member function.
 * Subsets of the NodeArray can be retrieved with the getSubset
 * function.
 */
class NodeArray {
  friend class NodeArraySubset;
  std::string _name;
  SimpleRange _range;
  Graph _member_graph;
  unsigned int _nchain;
  std::vector<Node *> _node_pointers;
  std::vector<unsigned int> _offsets;
  std::map<Range, Node *> _mv_nodes;
  std::map<Range, AggNode *> _generated_nodes;

  /* Forbid copying */
  NodeArray(NodeArray const &orig);
  NodeArray &operator=(NodeArray const &rhs);

public:
  /**
   * Constructor. Creates a NodeArray with the given name and dimension
   */
  NodeArray(std::string const &name, std::vector<unsigned int> const &dim, 
	    unsigned int nchain);
  /**
   * Inserts a node into the subset of the NodeArray defined by range.
   * The dimension of the node must conform with the given range.
   * The given range must not overlap any previously inserted node.
   * Repeated indices in the given range are not allowed.
   *
   * The node is added to an internal graph. 
   *
   * @exception runtime_error
   */
  void insert(Node *node, Range const &range);

  /**
   * Returns a subset of the NodeArray. If the range corresponds to a
   * previously inserted node, this will be returned. Otherwise, an
   * aggregate node will be generated, and it will be added to the
   * given model.  Generated nodes are cached so a future call to
   * getSubset will return the same node. If the range is not
   * completely covered by inserted nodes, a NULL pointer will be
   * returned.
   */
  Node* getSubset(Range const &range, Model &model);
  /**
   * Sets the values of the nodes in the array. 
   *
   * @param value SArray containing values to be used. The value
   * vector of the SArray may contain missing values.  If so, then the
   * part of the value vector corresponding to each inserted node must be
   * either completely missing (in which no action is taken) or
   * contain no missing values.
   *
   * @param value array with dimensions matching the NodeArray containing
   * values.
   *
   * @param chain Index number of chain to which to apply values.
   */
  void setValue(SArray const &value, unsigned int chain);
  /**
   * Gets the values of selected nodes that have been inserted into
   * the array.
   *
   * @param value SArray to which values should be written.
   *
   * @param chain Index number of chain to read.
   *
   * @param condition.  Boolean function that returns true for nodes
   * whose values are to be read.
   */
  void getValue(SArray &value, unsigned int chain,
		bool (*condition)(Node const *)) const;
  /**
   * Set data, creating a constant node for any non-missing value.  An
   * exception is thrown if any of the non-missing values corresponds
   * to an existing node in the array.
   */
  void setData(SArray const &value, Model *model);
  /**
   * Returns the name of the node array
   */
  std::string const &name() const;
  /**
   * Returns the range of indices covered by the NodeArray
   */
  SimpleRange const &range() const;
  /**
   * Returns the range corresponding to the given node, if it
   * belongs to the graph associated with the NodeArray. If it is
   * not in the graph, a NULL Range is returned.
   */
  Range getRange(Node const *node) const;
  /**
   * Returns the number of chains of the nodes stored in the array
   */
  unsigned int nchain() const;
};

} /* namespace jags */

#endif /* NODE_ARRAY_H */