org.eclipse.collections.impl.primitive.AbstractLongIterable Maven / Gradle / Ivy

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/*
 * Copyright (c) 2015 Goldman Sachs.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v. 1.0 which accompany this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 */

package org.eclipse.collections.impl.primitive;

import java.util.Arrays;

import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.LazyLongIterable;
import org.eclipse.collections.api.bag.primitive.MutableLongBag;
import org.eclipse.collections.api.block.predicate.primitive.LongPredicate;
import org.eclipse.collections.api.list.primitive.MutableLongList;
import org.eclipse.collections.api.set.primitive.MutableLongSet;
import org.eclipse.collections.impl.bag.mutable.primitive.LongHashBag;
import org.eclipse.collections.impl.lazy.primitive.LazyLongIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.LongArrayList;
import org.eclipse.collections.impl.set.mutable.primitive.LongHashSet;

/**
 * This file was automatically generated from template file abstractPrimitiveIterable.stg.
 * @since 6.0
 */
public abstract class AbstractLongIterable implements LongIterable
{
    @Override
    public String toString()
    {
        return this.makeString("[", ", ", "]");
    }

    public String makeString()
    {
        return this.makeString(", ");
    }

    public String makeString(String separator)
    {
        return this.makeString("", separator, "");
    }

    public String makeString(String start, String separator, String end)
    {
        Appendable stringBuilder = new StringBuilder();
        this.appendString(stringBuilder, start, separator, end);
        return stringBuilder.toString();
    }

    public void appendString(Appendable appendable)
    {
        this.appendString(appendable, ", ");
    }

    public void appendString(Appendable appendable, String separator)
    {
        this.appendString(appendable, "", separator, "");
    }

    public long minIfEmpty(long defaultValue)
    {
        if (this.isEmpty())
        {
            return defaultValue;
        }
        return this.min();
    }

    public long maxIfEmpty(long defaultValue)
    {
        if (this.isEmpty())
        {
            return defaultValue;
        }
        return this.max();
    }

    public double average()
    {
        if (this.isEmpty())
        {
            throw new ArithmeticException();
        }
        return (double) this.sum() / (double) this.size();
    }

    public double median()
    {
        if (this.isEmpty())
        {
            throw new ArithmeticException();
        }
        long[] sortedArray = this.toSortedArray();
        int middleIndex = sortedArray.length >> 1;
        if (sortedArray.length > 1 && (sortedArray.length & 1) == 0)
        {
            long first = sortedArray[middleIndex];
            long second = sortedArray[middleIndex - 1];
            return ((double) first + (double) second) / 2.0;
        }
        return (double) sortedArray[middleIndex];
    }

    public long[] toSortedArray()
    {
        long[] array = this.toArray();
        Arrays.sort(array);
        return array;
    }

    public MutableLongList toSortedList()
    {
        return this.toList().sortThis();
    }

    public LazyLongIterable asLazy()
    {
        return new LazyLongIterableAdapter(this);
    }

    public MutableLongList toList()
    {
        return LongArrayList.newList(this);
    }

    public MutableLongSet toSet()
    {
        return LongHashSet.newSet(this);
    }

    public MutableLongBag toBag()
    {
        return LongHashBag.newBag(this);
    }

    public boolean containsAll(long... source)
    {
        for (long item : source)
        {
            if (!this.contains(item))
            {
                return false;
            }
        }
        return true;
    }


    public boolean containsAll(LongIterable source)
    {
        return source.allSatisfy(new LongPredicate()
        {
            public boolean accept(long each)
            {
                return AbstractLongIterable.this.contains(each);
            }
        });
    }

    public boolean isEmpty()
    {
        return this.size() == 0;
    }

    public boolean notEmpty()
    {
        return this.size() != 0;
    }
}