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Library providing immutable/persistent collection classes for Java. While collections are immutable they provide methods for adding and removing values by creating new modified copies of themselves. Each copy shares almost all of its structure with other copies to minimize memory consumption.

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///###////////////////////////////////////////////////////////////////////////
//
// Burton Computer Corporation
// http://www.burton-computer.com
//
// Copyright (c) 2014, Burton Computer Corporation
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     Redistributions of source code must retain the above copyright
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//
//     Redistributions in binary form must reproduce the above copyright
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package org.javimmutable.collections;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import java.util.Collection;
import java.util.Iterator;
import java.util.Set;

/**
 * Interface for immutable sets.
 *
 * @param 
 */
@SuppressWarnings("ClassWithTooManyMethods")
@Immutable
public interface JImmutableSet
        extends Insertable,
                Cursorable,
                Iterable
{
    /**
     * Adds the single value to the Set.
     *
     * @param value
     * @return instance of set containing the value
     */
    @Nonnull
    JImmutableSet insert(@Nonnull T value);

    /**
     * Determines if the Set contains the specified value.
     *
     * @param value
     * @return true if the Set contains the value
     */
    boolean contains(@Nullable T value);

    /**
     * Determines if the Set contains all values in the specified collection.
     *
     * @param values
     * @return true if the Set contains the values
     */
    boolean containsAll(@Nonnull Cursorable values);

    /**
     * Determines if the Set contains all values in the specified collection.
     *
     * @param values
     * @return true if the Set contains the values
     */
    boolean containsAll(@Nonnull Collection values);

    /**
     * Determines if the Set contains all values in the specified collection.
     *
     * @param values
     * @return true if the Set contains the values
     */
    boolean containsAll(@Nonnull Cursor values);

    /**
     * Determines if the Set contains all values in the specified collection.
     *
     * @param values
     * @return true if the Set contains the values
     */
    boolean containsAll(@Nonnull Iterator values);

    /**
     * Determines if the Set contains any values in the specified collection.
     *
     * @param values
     * @return true if the Set contains a value
     */
    boolean containsAny(@Nonnull Cursorable values);

    /**
     * Determines if the Set contains any values in the specified collection.
     *
     * @param values
     * @return true if the Set contains a value
     */
    boolean containsAny(@Nonnull Collection values);

    /**
     * Determines if the Set contains any values in the specified collection.
     *
     * @param values
     * @return true if the Set contains a value
     */
    boolean containsAny(@Nonnull Cursor values);

    /**
     * Determines if the Set contains any values in the specified collection.
     *
     * @param values
     * @return true if the Set contains a value
     */
    boolean containsAny(@Nonnull Iterator values);

    /**
     * Removes the value from the Set.  Has no effect if the value is not in the Set.
     *
     * @param value
     * @return instance of set without the value
     */
    @Nonnull
    JImmutableSet delete(T value);

    /**
     * Removes all values of other from the Set.  Has no effect if none of the values are in the Set
     *
     * @param other
     * @return instance of set without the values
     */
    @Nonnull
    JImmutableSet deleteAll(@Nonnull Cursorable other);

    /**
     * Removes all values of other from the Set.  Has no effect if none of the values are in the Set
     *
     * @param other
     * @return instance of set without the values
     */
    @Nonnull
    JImmutableSet deleteAll(@Nonnull Collection other);

    /**
     * Removes all values of other from the Set.  Has no effect if none of the values are in the Set
     *
     * @param other
     * @return instance of set without the values
     */
    @Nonnull
    JImmutableSet deleteAll(@Nonnull Cursor other);

    /**
     * Removes all values of other from the Set.  Has no effect if none of the values are in the Set
     *
     * @param other
     * @return instance of set without the values
     */
    @Nonnull
    JImmutableSet deleteAll(@Nonnull Iterator other);

    /**
     * Adds all values from other to the Set.
     *
     * @param other source of values to add
     * @return instance of set containing the values
     */
    @Nonnull
    JImmutableSet union(@Nonnull Cursorable other);

    /**
     * Adds all values from other to the Set.
     *
     * @param other source of values to add
     * @return instance of set containing the values
     */
    @Nonnull
    JImmutableSet union(@Nonnull Collection other);

    /**
     * Adds all values from other to the Set.
     *
     * @param values source of values to add
     * @return instance of set containing the values
     */
    @Nonnull
    JImmutableSet union(@Nonnull Cursor values);

    /**
     * Adds all values from other to the Set.
     *
     * @param values source of values to add
     * @return instance of set containing the values
     */
    @Nonnull
    JImmutableSet union(@Nonnull Iterator values);

    /**
     * Removes all values from the Set that are not contained in the other collection.
     *
     * @param other
     * @return instance of set with unmatched values removed
     */
    @Nonnull
    JImmutableSet intersection(@Nonnull Cursorable other);

    /**
     * Removes all values from the Set that are not contained in the other collection.
     *
     * @param other
     * @return instance of set with unmatched values removed
     */
    @Nonnull
    JImmutableSet intersection(@Nonnull Collection other);

    /**
     * Removes all values from the Set that are not contained in the other collection.
     *
     * @param values
     * @return instance of set with unmatched values removed
     */
    @Nonnull
    JImmutableSet intersection(@Nonnull Cursor values);

    /**
     * Removes all values from the Set that are not contained in the other collection.
     *
     * @param values
     * @return instance of set with unmatched values removed
     */
    @Nonnull
    JImmutableSet intersection(@Nonnull Iterator values);

    /**
     * Removes all values from the Set that are not contained in the other collection.
     *
     * @param other
     * @return instance of set with unmatched values removed
     */
    @Nonnull
    JImmutableSet intersection(@Nonnull JImmutableSet other);

    /**
     * Removes all values from the Set that are not contained in the other collection.
     *
     * @param other
     * @return instance of set with unmatched values removed
     */
    @Nonnull
    JImmutableSet intersection(@Nonnull Set other);

    /**
     * Determines the number of values in the Set.
     *
     * @return number of values in the Set
     */
    int size();

    /**
     * @return true only if set contains no values
     */
    boolean isEmpty();

    /**
     * @return an equivalent collection with no values
     */
    @Nonnull
    JImmutableSet deleteAll();

    /**
     * @return an unmodifiable Set implementation backed by this set.
     */
    @Nonnull
    Set getSet();
}




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