Android Open Source - Jello Index Module

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Back to project page Jello.

License

The source code is released under:

Apache License

Java Source Code

package com.atteo.jello.index;
//  w w w .  j a  v  a2 s  .  c o  m
import java.util.HashMap;

import com.atteo.jello.store.PageSizeProvider;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.assistedinject.FactoryProvider;
import com.google.inject.name.Names;

public class IndexModule implements Module {

  // ---- SETTINGS
  private final short bTreeLeafCapacity;
  private final short bTreeNodeCapacity;

  // --------------

  private final HashMap<String, String> properties;

  public IndexModule(final HashMap<String, String> properties) {
    final int pageSize = new PageSizeProvider().get();
    bTreeLeafCapacity = (short) (pageSize - 16);
    bTreeNodeCapacity = (short) (pageSize - 16);

    this.properties = getDefaultProperties();
    if (properties != null)
      this.properties.putAll(properties);
  }

  public void configure(final Binder binder) {
    binder.bind(IndexFactory.class).toProvider(
        FactoryProvider.newFactory(IndexFactory.class, BTree.class));

    Names.bindProperties(binder, properties);
  }

  private HashMap<String, String> getDefaultProperties() {
    final HashMap<String, String> p = new HashMap<String, String>();
    p.put("bTreeNodeCapacity", String.valueOf(bTreeNodeCapacity));
    p.put("bTreeLeafCapacity", String.valueOf(bTreeLeafCapacity));

    return p;

  }

}

Java Source Code List

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