Android Open Source - Jello Page

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Back to project page Jello.

License

The source code is released under:

Apache License

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Java Source Code

package com.atteo.jello.store;
// w w w.ja v a  2s.  c  o m
import java.nio.ByteBuffer;

import android.util.Poolable;

import com.google.inject.Inject;
import com.google.inject.name.Named;

public class Page implements Poolable<Page> {
  private Page nextPoolable = null;
  protected int id;
  protected byte data[] = null;
  protected ByteBuffer byteBuffer;
  protected @Inject
  @Named("pageSize")
  static short pageSize;

  public Page() {
    data = new byte[pageSize];
    byteBuffer = ByteBuffer.wrap(data);
    byteBuffer.position(headerSize());
  }

  public void advance(final int i) {
    byteBuffer.position(byteBuffer.position() + i);
  }

  public short getCapacity() {
    return (short) (pageSize - headerSize());
  }

  public byte[] getData() {
    return data;
  }

  public int getId() {
    return id;
  }

  public int getInt() {
    return byteBuffer.getInt();
  }

  public Page getNextPoolable() {
    return nextPoolable;
  }

  public String getString(final int length) {
    final String result = new String(data, byteBuffer.position(), length);
    advance(length);
    return result;
  }

  public short headerSize() {
    return 0;
  }

  public void position(final int position) {
    byteBuffer.position(headerSize() + position);
  }

  public void putInt(final int value) {
    byteBuffer.putInt(value);
  }

  public void putString(final String string) {
    byteBuffer.put(string.getBytes());
  }

  public void reset() {
    byteBuffer.position(headerSize());
  }

  public void setId(final int id) {
    this.id = id;
  }

  public void setNextPoolable(final Page element) {
    nextPoolable = element;
  }
}

Java Source Code List