private void ensureCapacity() throws IOException {
if (offset >= BLOCK_SIZE) {
// get the next block
if (blockCount >= usedBlocks.length) {
int[] blocks = new int[blockCount * 2];
System.arraycopy(usedBlocks, 0, blocks, 0, usedBlocks.length);
Arrays.fill(blocks, usedBlocks.length, blocks.length, -1);
usedBlocks = blocks;
}
int nextBlockId = usedBlocks[blockCount];
if (nextBlockId == -1) {
nextBlockId = file.allocBlock();
usedBlocks[blockCount] = nextBlockId;
}
// flush the current block into the disk
if (blockId != -1) {
BTreeUtils.integerToBytes(nextBlockId, bytes);
file.writeBlock(blockId, bytes);
}
blockId = nextBlockId;
blockCount++;
Arrays.fill(bytes, (byte) 0);
offset = 4;
}
}
public void close() throws IOException {
if (blockId != -1) {
BTreeUtils.integerToBytes(-1, bytes);
file.writeBlock(blockId, bytes);
}
for (int i = blockCount; i < usedBlocks.length; i++) {
int freeBlock = usedBlocks[i];
if (freeBlock != -1) {
file.freeBlock(freeBlock);
}
}
}
public static void printType(NodeType type) {
if (type instanceof NodeSynonym) {
System.out.println("NodeSynonym: " + ((NodeSynonym) type).getID());
} // System.out.println("NodeSynonym: " + ((NodeSynonym)type).getType());
else if (type instanceof NodePLType) {
System.out.println("PLType: " + ((NodePLType) type).getType());
} else if (type instanceof NodePointer) {
System.out.println("Puntero a");
System.out.print(" ");
printType(((NodePointer) type).getType());
} else if (type instanceof NodeArray) {
System.out.print("Arreglo de tamaño " + ((NodeArray) type).getSize() + " de tipo: ");
printType(((NodeArray) type).getType());
} else if (type instanceof NodeStructure) {
NodeStructure structure = (NodeStructure) type;
// List<NodeElement> elements = record.getElements(); CHANGE
List<NodeElement> elements = structure.getElements();
Iterator<NodeElement> iter = elements.iterator();
// System.out.println("Estructura: " + "Nombre: " + record.getName()); CHANGE
System.out.println("Estructura: " + "Nombre: " + structure.getName());
int i = 1;
NodeElement element;
while (iter.hasNext()) {
element = iter.next();
System.out.println("Campo " + i + ": ");
i++;
// System.out.println("Nombre: " + (element.getName())); CHANGE
System.out.println("Nombre: " + (element.getID()));
System.out.print("Tipo: ");
printType(element.getType());
}
} else if (type instanceof NodeList) {
NodeList list = (NodeList) type;
// List<NodeField> fields = list.getFields(); CHANGE
List<NodeElement> fields = list.getFields();
// Iterator<NodeField> iter = fields.iterator(); CHANGE
Iterator<NodeElement> iter = fields.iterator();
System.out.println("Lista");
System.out.println("Nombre: " + list.getName());
System.out.println("LinkType: " + list.getLinkType());
System.out.println("LinkNexName: " + list.getLinkNextName());
if (list.getLinkPrevName() != null) {
System.out.println("LinkPrevName: " + list.getLinkPrevName());
}
int i = 1;
NodeElement field;
while (iter.hasNext()) {
field = iter.next();
System.out.println("Campo " + i + ":");
i++;
// System.out.println("Nombre: " + (field.getName())); CHANGE
System.out.println("Nombre: " + (field.getID()));
System.out.print("Tipo: ");
printType(field.getType());
}
// if (list.getMemalloc() != null ) CHANGE
if (list.getMemAlloc() != null) {
System.out.println("MemallocFunction: ");
// System.out.println(list.getMemalloc()); CHANGE
System.out.println(list.getMemAlloc());
}
} else if (type instanceof NodeFile) {
NodeFile file = (NodeFile) type;
System.out.println("Archivo");
System.out.println("Nombre: " + file.getName());
System.out.println("Ruta: " + file.getPath());
System.out.println("Delimitador: " + file.getDelimiter());
if (file.getEof() != null) {
System.out.println("EOF: " + file.getEof());
}
if (file.getEol() != null) {
System.out.println("EOL: " + file.getEol());
}
if (file.getStructure() != null) {
System.out.println("Estructura: " + file.getStructure());
}
} else if (type instanceof NodeDB) {
NodeDB db = (NodeDB) type;
List<NodeDBColumn> regs = db.getColumns();
Iterator<NodeDBColumn> iter = regs.iterator();
System.out.println("Base de Datos");
System.out.println("DBMS: " + db.getDBMSID());
// System.out.println("connectionID " + db.getConnID()); CHANGE
System.out.println("connectionID " + db.getConnectionID());
// System.out.println("Table name: " + db.getTable()); CHANGE
System.out.println("Table name: " + db.getTableName());
System.out.println("Registros:");
int i = 1;
while (iter.hasNext()) {
NodeDBColumn rec = iter.next();
System.out.println(
"Registro " + i + ": " + rec.getColType() + " tipo: " + rec.getColType());
i++;
}
}
}
public NodeOutputStream(NodeFile file) throws IOException {
this(file, new int[] {file.allocBlock()});
}
