com.github.scr.hashmap.maps.BufferCharSequenceMap Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of memory-mapped-hashmap Show documentation
Readonly Set and Map that use a MappedByteBuffer to load quickly and use minimal Java Heap.
There is a newer version: 1.2.0
Show newest version
/*
The MIT License (MIT)

Copyright (c) 2015 Sheridan C Rawlins

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 */

package com.github.scr.hashmap.maps;

import com.github.scr.hashmap.sets.IndexedSet;
import com.github.scr.hashmap.collections.IndexedCollection;
import org.jetbrains.annotations.NotNull;
import sun.reflect.generics.reflectiveObjects.NotImplementedException;

import java.io.DataOutput;
import java.io.IOException;
import java.util.Collection;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;

/**
 * Created by scr on 7/3/15.
 */
public class BufferCharSequenceMap implements IndexedMap {
    @NotNull
    protected final IndexedSet KEYS;
    @NotNull
    protected final IndexedCollection VALUES;

    public BufferCharSequenceMap(@NotNull IndexedSet keys, @NotNull IndexedCollection values) {
        KEYS = keys;
        VALUES = values;
    }

    @Override
    public void writeOutput(@NotNull DataOutput dataOutput) throws IOException {
        KEYS.writeOutput(dataOutput);
        VALUES.writeOutput(dataOutput);
    }

    @Override
    public int size() {
        return KEYS.size();
    }

    @Override
    public boolean isEmpty() {
        return KEYS.isEmpty();
    }

    @Override
    public boolean containsKey(@NotNull Object key) {
        return KEYS.contains((CharSequence) key);
    }

    @Override
    public boolean containsValue(@NotNull Object value) {
        @SuppressWarnings("unchecked")
        V vValue = (V) value;
        return VALUES.contains(vValue);
    }

    @Override
    public V get(@NotNull Object key) {
        int index = KEYS.getIndex((CharSequence) key);
        if (index < 0) {
            return null;
        }
        return VALUES.get(index);
    }

    @Override
    public V put(@NotNull CharSequence key, V value) {
        throw new NotImplementedException();
    }

    @Override
    public V remove(@NotNull Object key) {
        throw new NotImplementedException();
    }

    @Override
    public void putAll(@NotNull Map m) {
        throw new NotImplementedException();
    }

    @Override
    public void clear() {
        throw new NotImplementedException();
    }

    @NotNull
    @Override
    public Set keySet() {
        return KEYS;
    }

    @NotNull
    @Override
    public Collection values() {
        return VALUES;
    }

    @NotNull
    @Override
    public Set> entrySet() {
        return new EntrySet<>(KEYS, VALUES);
    }

    @Override
    public byte getByte(CharSequence key) throws NoSuchElementException {
        int index = KEYS.getIndex(key);
        if (index < 0) {
            throw new NoSuchElementException();
        }
        return VALUES.getByte(index);
    }

    @Override
    public char getChar(CharSequence key) throws NoSuchElementException {
        int index = KEYS.getIndex(key);
        if (index < 0) {
            throw new NoSuchElementException();
        }
        return VALUES.getChar(index);
    }

    @Override
    public double getDouble(CharSequence key) throws NoSuchElementException {
        int index = KEYS.getIndex(key);
        if (index < 0) {
            throw new NoSuchElementException();
        }
        return VALUES.getDouble(index);
    }

    @Override
    public float getFloat(CharSequence key) throws NoSuchElementException {
        int index = KEYS.getIndex(key);
        if (index < 0) {
            throw new NoSuchElementException();
        }
        return VALUES.getFloat(index);
    }

    @Override
    public long getLong(CharSequence key) throws NoSuchElementException {
        int index = KEYS.getIndex(key);
        if (index < 0) {
            throw new NoSuchElementException();
        }
        return VALUES.getLong(index);
    }

    @Override
    public short getShort(CharSequence key) throws NoSuchElementException {
        int index = KEYS.getIndex(key);
        if (index < 0) {
            throw new NoSuchElementException();
        }
        return VALUES.getShort(index);
    }

    @Override
    public int getInt(CharSequence key) throws NoSuchElementException {
        int index = KEYS.getIndex(key);
        if (index < 0) {
            throw new NoSuchElementException();
        }
        return VALUES.getInt(index);
    }
}