import org.onap.aaf.misc.env.TimeTaken;
public abstract class AbsData implements Iterable<String> {
- protected DataFile data;
- protected TextIndex ti;
- private File dataf,idxf,lockf;
- private String name;
- private char delim;
- private int maxLineSize;
- private int fieldOffset;
- private int skipLines;
-
- public AbsData(File dataf,char sepChar, int maxLineSize, int fieldOffset) {
- File dir = dataf.getParentFile();
- int dot = dataf.getName().lastIndexOf('.');
- name = dataf.getName().substring(0,dot);
-
- this.dataf=dataf;
- this.delim = sepChar;
- this.maxLineSize = maxLineSize;
- this.fieldOffset = fieldOffset;
- idxf = new File(dir,name.concat(".idx"));
- lockf = new File(dir,name.concat(".lock"));
-
-
- data = new DataFile(dataf,"r");
- ti = new TextIndex(idxf);
- skipLines=0;
- }
-
- public void skipLines(int lines) {
- skipLines=lines;
- }
-
- public String name() {
- return name;
- }
-
- public void open(AuthzTrans trans, long timeout) throws IOException {
- TimeTaken tt = trans.start("Open Data File", Env.SUB);
- boolean first = true;
- try {
- if(!dataf.exists()) {
- throw new FileNotFoundException("Data File Missing:" + dataf.getCanonicalPath());
- }
- long begin = System.currentTimeMillis();
- long end = begin+timeout;
- boolean exists;
- while((exists=lockf.exists()) && begin<end) {
- if(first) {
- trans.warn().log("Waiting for",lockf.getCanonicalPath(),"to close");
- first = false;
- }
- try {
- Thread.sleep(200);
- } catch (InterruptedException e) {
- Thread.currentThread().interrupt();
- }
- begin = System.currentTimeMillis();
- }
- if(exists) {
- throw new IOException(lockf.getCanonicalPath() + "exists. May not open Datafile");
- }
- data.open();
- try {
- ensureIdxGood(trans);
- } catch (IOException e) {
- data.close();
- throw e;
- }
- ti.open();
-
- } finally {
- tt.done();
- }
- }
-
- private synchronized void ensureIdxGood(AuthzTrans trans) throws IOException {
- if(!idxf.exists() || idxf.length()==0 || dataf.lastModified()>idxf.lastModified()) {
- trans.warn().log(idxf.getAbsolutePath(),"is missing, empty or out of date, creating");
- RandomAccessFile raf = new RandomAccessFile(lockf, "rw");
- try {
- ti.create(trans, data, maxLineSize, delim, fieldOffset, skipLines);
- if(!idxf.exists() || (idxf.length()==0 && dataf.length()!=0)) {
- throw new IOException("Data Index File did not create correctly");
- }
- } finally {
- raf.close();
- lockf.delete();
- }
- }
- }
-
- public void close(AuthzTrans trans) throws IOException {
- ti.close();
- data.close();
- }
-
- public class Reuse {
- public Token tokenData;
- private Field fieldData;
-
- private Reuse(int size,char delim) {
- tokenData = data.new Token(size);
- fieldData = tokenData.new Field(delim);
- }
-
- public void reset() {
- getFieldData().reset();
- }
-
- public void pos(int rec) {
- getFieldData().reset();
- tokenData.pos(rec);
- }
-
- public String next() {
- return getFieldData().next();
- }
-
- public String at(int field) {
- return getFieldData().at(field);
- }
-
- public String atToEnd(int field) {
- return getFieldData().atToEnd(field);
- }
-
- public Field getFieldData() {
- return fieldData;
- }
- }
-
- public Reuse reuse() {
- return new Reuse(maxLineSize,delim);
- }
-
- public Iter iterator() {
- return new Iter();
- }
-
- public class Iter implements Iterator<String> {
- private Reuse reuse;
- private org.onap.aaf.auth.local.TextIndex.Iter tii;
-
- public Iter() {
- reuse = reuse();
- tii = ti.new Iter();
- }
-
- @Override
- public boolean hasNext() {
- return tii.hasNext();
- }
-
- @Override
- public String next() {
- if(!hasNext()) {
- throw new NoSuchElementException();
- }
- reuse.reset();
- int rec = tii.next();
- reuse.pos(rec);
- return reuse.at(0);
- }
-
- @Override
- public void remove() {
- // read only
- }
- }
+ protected DataFile data;
+ protected TextIndex ti;
+ private File dataf,idxf,lockf;
+ private String name;
+ private char delim;
+ private int maxLineSize;
+ private int fieldOffset;
+ private int skipLines;
+
+ public AbsData(File dataf,char sepChar, int maxLineSize, int fieldOffset) {
+ File dir = dataf.getParentFile();
+ int dot = dataf.getName().lastIndexOf('.');
+ name = dataf.getName().substring(0,dot);
+
+ this.dataf=dataf;
+ this.delim = sepChar;
+ this.maxLineSize = maxLineSize;
+ this.fieldOffset = fieldOffset;
+ idxf = new File(dir,name.concat(".idx"));
+ lockf = new File(dir,name.concat(".lock"));
+
+
+ data = new DataFile(dataf,"r");
+ ti = new TextIndex(idxf);
+ skipLines=0;
+ }
+
+ public void skipLines(int lines) {
+ skipLines=lines;
+ }
+
+ public String name() {
+ return name;
+ }
+
+ public void open(AuthzTrans trans, long timeout) throws IOException {
+ TimeTaken tt = trans.start("Open Data File", Env.SUB);
+ boolean first = true;
+ try {
+ if(!dataf.exists()) {
+ throw new FileNotFoundException("Data File Missing:" + dataf.getCanonicalPath());
+ }
+ long begin = System.currentTimeMillis();
+ long end = begin+timeout;
+ boolean exists;
+ while((exists=lockf.exists()) && begin<end) {
+ if(first) {
+ trans.warn().log("Waiting for",lockf.getCanonicalPath(),"to close");
+ first = false;
+ }
+ try {
+ Thread.sleep(200);
+ } catch (InterruptedException e) {
+ Thread.currentThread().interrupt();
+ }
+ begin = System.currentTimeMillis();
+ }
+ if(exists) {
+ throw new IOException(lockf.getCanonicalPath() + "exists. May not open Datafile");
+ }
+ data.open();
+ try {
+ ensureIdxGood(trans);
+ } catch (IOException e) {
+ data.close();
+ throw e;
+ }
+ ti.open();
+
+ } finally {
+ tt.done();
+ }
+ }
+
+ private synchronized void ensureIdxGood(AuthzTrans trans) throws IOException {
+ if(!idxf.exists() || idxf.length()==0 || dataf.lastModified()>idxf.lastModified()) {
+ trans.warn().log(idxf.getAbsolutePath(),"is missing, empty or out of date, creating");
+ RandomAccessFile raf = new RandomAccessFile(lockf, "rw");
+ try {
+ ti.create(trans, data, maxLineSize, delim, fieldOffset, skipLines);
+ if(!idxf.exists() || (idxf.length()==0 && dataf.length()!=0)) {
+ throw new IOException("Data Index File did not create correctly");
+ }
+ } finally {
+ raf.close();
+ lockf.delete();
+ }
+ }
+ }
+
+ public void close(AuthzTrans trans) throws IOException {
+ ti.close();
+ data.close();
+ }
+
+ public class Reuse {
+ public Token tokenData;
+ private Field fieldData;
+
+ private Reuse(int size,char delim) {
+ tokenData = data.new Token(size);
+ fieldData = tokenData.new Field(delim);
+ }
+
+ public void reset() {
+ getFieldData().reset();
+ }
+
+ public void pos(int rec) {
+ getFieldData().reset();
+ tokenData.pos(rec);
+ }
+
+ public String next() {
+ return getFieldData().next();
+ }
+
+ public String at(int field) {
+ return getFieldData().at(field);
+ }
+
+ public String atToEnd(int field) {
+ return getFieldData().atToEnd(field);
+ }
+
+ public Field getFieldData() {
+ return fieldData;
+ }
+ }
+
+ public Reuse reuse() {
+ return new Reuse(maxLineSize,delim);
+ }
+
+ public Iter iterator() {
+ return new Iter();
+ }
+
+ public class Iter implements Iterator<String> {
+ private Reuse reuse;
+ private org.onap.aaf.auth.local.TextIndex.Iter tii;
+
+ public Iter() {
+ reuse = reuse();
+ tii = ti.new Iter();
+ }
+
+ @Override
+ public boolean hasNext() {
+ return tii.hasNext();
+ }
+
+ @Override
+ public String next() {
+ if(!hasNext()) {
+ throw new NoSuchElementException();
+ }
+ reuse.reset();
+ int rec = tii.next();
+ reuse.pos(rec);
+ return reuse.at(0);
+ }
+
+ @Override
+ public void remove() {
+ // read only
+ }
+ }
}
Code Review / aaf / authz.git / blobdiff