immutableObjectPrimitiveSingletonMap.stg

import "copyright.stg"
import "primitiveEquals.stg"
import "primitiveHashCode.stg"
import "primitiveLiteral.stg"

targetPath() ::= "org/eclipse/collections/impl/map/immutable/primitive"

fileName(primitive) ::= "ImmutableObject<primitive.name>SingletonMap"

class(primitive) ::= <<
<body(primitive.type, primitive.name)>
>>

body(type, name) ::= <<
<copyright()>

package org.eclipse.collections.impl.map.immutable.primitive;

import java.io.IOException;
import java.io.Serializable;
import java.util.Set;

import org.eclipse.collections.api.<name>Iterable;
import org.eclipse.collections.api.Lazy<name>Iterable;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.Mutable<name>Bag;
import org.eclipse.collections.api.block.function.primitive.<name>ToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.Object<name>ToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.<name>Predicate;
import org.eclipse.collections.api.block.predicate.primitive.Object<name>Predicate;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.primitive.<name>Procedure;
import org.eclipse.collections.api.block.procedure.primitive.Object<name>Procedure;
import org.eclipse.collections.api.collection.ImmutableCollection;
import org.eclipse.collections.api.collection.primitive.Immutable<name>Collection;
import org.eclipse.collections.api.collection.primitive.Mutable<name>Collection;
import org.eclipse.collections.api.iterator.<name>Iterator;
import org.eclipse.collections.api.list.primitive.Mutable<name>List;
import org.eclipse.collections.api.map.primitive.ImmutableObject<name>Map;
<if(!primitive.booleanPrimitive)>import org.eclipse.collections.api.map.primitive.Immutable<name>ObjectMap;<endif>
import org.eclipse.collections.api.map.primitive.Object<name>Map;
import org.eclipse.collections.api.set.primitive.Mutable<name>Set;
import org.eclipse.collections.api.tuple.primitive.Object<name>Pair;
import org.eclipse.collections.impl.bag.mutable.primitive.<name>HashBag;
import org.eclipse.collections.impl.collection.mutable.primitive.Unmodifiable<name>Collection;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.factory.primitive.<name>Lists;
import org.eclipse.collections.impl.factory.primitive.Object<name>Maps;
<if(!primitive.booleanPrimitive)>import org.eclipse.collections.impl.factory.primitive.<name>ObjectMaps;<endif>
import org.eclipse.collections.impl.iterator.Unmodifiable<name>Iterator;
import org.eclipse.collections.impl.lazy.primitive.Lazy<name>IterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.<name>ArrayList;
import org.eclipse.collections.impl.map.mutable.primitive.Object<name>HashMap;
import org.eclipse.collections.impl.set.mutable.primitive.<name>HashSet;
import org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples;

/**
 * ImmutableObject<name>SingletonMap is an optimization for {@link ImmutableObject<name>Map} of size 1.
 * This file was automatically generated from template file immutableObjectPrimitiveSingletonMap.stg.
 *
 * @since 4.0.
 */
final class ImmutableObject<name>SingletonMap\<K> extends AbstractImmutableObject<name>Map\<K> implements Serializable
{
    private static final long serialVersionUID = 1L;
    private static final <type> EMPTY_VALUE = <zero.(type)>;
    private final K key1;
    private final <type> value1;

    ImmutableObject<name>SingletonMap(K key1, <type> value1)
    {
        this.key1 = key1;
        this.value1 = value1;
    }

    @Override
    public <name>Iterator <type>Iterator()
    {
        return new Unmodifiable<name>Iterator(Object<name>HashMap.newWithKeysValues(this.key1, this.value1).<type>Iterator());
    }

    @Override
    public void forEach(<name>Procedure procedure)
    {
        this.each(procedure);
    }

    /**
     * @since 7.0.
     */
    @Override
    public void each(<name>Procedure procedure)
    {
        procedure.value(this.value1);
    }

    @Override
    public int count(<name>Predicate predicate)
    {
        return predicate.accept(this.value1) ? 1 : 0;
    }

    @Override
    public boolean anySatisfy(<name>Predicate predicate)
    {
        return predicate.accept(this.value1);
    }

    @Override
    public boolean allSatisfy(<name>Predicate predicate)
    {
        return predicate.accept(this.value1);
    }

    @Override
    public boolean noneSatisfy(<name>Predicate predicate)
    {
        return !predicate.accept(this.value1);
    }

    @Override
    public Immutable<name>Collection select(<name>Predicate predicate)
    {
        return predicate.accept(this.value1) ? <name>Lists.immutable.with(this.value1) : <name>Lists.immutable.with();
    }

    @Override
    public Immutable<name>Collection reject(<name>Predicate predicate)
    {
        return predicate.accept(this.value1) ? <name>Lists.immutable.with() : <name>Lists.immutable.with(this.value1);
    }

    @Override
    public <type> detectIfNone(<name>Predicate predicate, <type> ifNone)
    {
        return predicate.accept(this.value1) ? this.value1 : ifNone;
    }

    @Override
    public \<T> T injectInto(T injectedValue, Object<name>ToObjectFunction\<? super T, ? extends T> function)
    {
        return function.valueOf(injectedValue, this.value1);
    }

    @Override
    public RichIterable\<<name>Iterable> chunk(int size)
    {
        if (size \<= 0)
        {
            throw new IllegalArgumentException("Size for groups must be positive but was: " + size);
        }
        return Lists.immutable.with(<name>Lists.immutable.with(this.value1));
    }

    @Override
    public \<V> ImmutableCollection\<V> collect(<name>ToObjectFunction\<? extends V> function)
    {
        return Lists.immutable.of(function.valueOf(this.value1));
    }

    <(arithmeticMethods.(type))()>
    @Override
    public <type>[] toArray()
    {
        return new <type>[]{this.value1};
    }

    @Override
    public <type>[] toArray(<type>[] target)
    {
        if (target.length \< 1)
        {
            target = new <type>[]{this.value1};
        }
        else
        {
            target[0] = this.value1;
        }
        return target;
    }

    @Override
    public boolean contains(<type> value)
    {
        return <(equals.(type))("this.value1", "value")>;
    }

    @Override
    public boolean containsAll(<type>... source)
    {
        for (<type> value : source)
        {
            if (<(notEquals.(type))("this.value1", "value")>)
            {
                return false;
            }
        }
        return true;
    }

    @Override
    public boolean containsAll(<name>Iterable source)
    {
        for (<name>Iterator iterator = source.<type>Iterator(); iterator.hasNext(); )
        {
            if (<(notEquals.(type))("this.value1", "iterator.next()")>)
            {
                return false;
            }
        }
        return true;
    }

    @Override
    public Mutable<name>List toList()
    {
        return <name>ArrayList.newListWith(this.value1);
    }

    @Override
    public Mutable<name>Set toSet()
    {
        return <name>HashSet.newSetWith(this.value1);
    }

    @Override
    public Mutable<name>Bag toBag()
    {
        return <name>HashBag.newBagWith(this.value1);
    }

    @Override
    public Lazy<name>Iterable asLazy()
    {
        return new Lazy<name>IterableAdapter(this);
    }

    @Override
    public ImmutableObject<name>Map\<K> newWithKeyValue(K key, <type> value)
    {
        return Object<name>Maps.immutable.withAll(Object<name>HashMap.newWithKeysValues(this.key1, this.value1, key, value));
    }

    @Override
    public ImmutableObject<name>Map\<K> newWithoutKey(K key)
    {
        return nullSafeEquals(this.key1, key) ? (ImmutableObject<name>Map\<K>) ImmutableObject<name>EmptyMap.INSTANCE : this;
    }

    private static boolean nullSafeEquals(Object value, Object other)
    {
        if (value == null)
        {
            if (other == null)
            {
                return true;
            }
        }
        else if (other == value || value.equals(other))
        {
            return true;
        }
        return false;
    }

    @Override
    public ImmutableObject<name>Map\<K> newWithoutAllKeys(Iterable\<? extends K> keys)
    {
        Object<name>HashMap\<K> map = new Object<name>HashMap\<K>(this);
        for (K key : keys)
        {
            map.removeKey(key);
        }
        return map.toImmutable();
    }

    @Override
    public <type> get(Object key)
    {
        return this.getIfAbsent(key, EMPTY_VALUE);
    }

    @Override
    public <type> getOrThrow(Object key)
    {
        if (nullSafeEquals(this.key1, key))
        {
            return this.value1;
        }
        throw new IllegalStateException("Key " + key + " not present.");
    }

    @Override
    public <type> getIfAbsent(Object key, <type> ifAbsent)
    {
        return nullSafeEquals(this.key1, key) ? this.value1 : ifAbsent;
    }

    @Override
    public boolean containsKey(Object key)
    {
        return nullSafeEquals(this.key1, key);
    }

    @Override
    public boolean containsValue(<type> value)
    {
        return <(equals.(type))("this.value1", "value")>;
    }

    @Override
    public void forEachValue(<name>Procedure procedure)
    {
        procedure.value(this.value1);
    }

    @Override
    public void forEachKey(Procedure\<? super K> procedure)
    {
        procedure.value(this.key1);
    }

    @Override
    public void forEachKeyValue(Object<name>Procedure\<? super K> object<name>Procedure)
    {
        object<name>Procedure.value(this.key1, this.value1);
    }

    @Override
    public ImmutableObject<name>Map\<K> select(Object<name>Predicate\<? super K> object<name>Predicate)
    {
        return object<name>Predicate.accept(this.key1, this.value1) ? Object<name>HashMap.newWithKeysValues(this.key1, this.value1).toImmutable()
                : (ImmutableObject<name>Map\<K>) ImmutableObject<name>EmptyMap.INSTANCE;
    }

    @Override
    public ImmutableObject<name>Map\<K> reject(Object<name>Predicate\<? super K> object<name>Predicate)
    {
        return object<name>Predicate.accept(this.key1, this.value1) ? (ImmutableObject<name>Map\<K>) ImmutableObject<name>EmptyMap.INSTANCE
                : Object<name>HashMap.newWithKeysValues(this.key1, this.value1).toImmutable();
    }

    @Override
    public ImmutableObject<name>Map\<K> toImmutable()
    {
        return this;
    }

    @Override
    public int size()
    {
        return 1;
    }

    @Override
    public boolean isEmpty()
    {
        return false;
    }

    @Override
    public boolean notEmpty()
    {
        return true;
    }

    @Override
    public Set\<K> keySet()
    {
        return Sets.immutable.of(this.key1).castToSet();
    }

    @Override
    public Mutable<name>Collection values()
    {
        return Unmodifiable<name>Collection.of(<name>ArrayList.newListWith(this.value1));
    }

    @Override
    public LazyIterable\<K> keysView()
    {
        return Lists.immutable.of(this.key1).asLazy();
    }

    @Override
    public RichIterable\<Object<name>Pair\<K>\> keyValuesView()
    {
        return Lists.immutable.of(PrimitiveTuples.pair(this.key1, this.value1)).asLazy();
    }

    <if(!primitive.booleanPrimitive)>
    @Override
    public Immutable<name>ObjectMap\<K> flipUniqueValues()
    {
        return <name>ObjectMaps.immutable.with(this.value1, this.key1);
    }
    <endif>

    @Override
    public boolean equals(Object obj)
    {
        if (obj == this)
        {
            return true;
        }
        if (!(obj instanceof Object<name>Map))
        {
            return false;
        }
        Object<name>Map\<K> map = (Object<name>Map\<K>) obj;
        if (map.size() != 1)
        {
            return false;
        }
        return map.containsKey(this.key1) && <(equals.(type))("this.value1", "map.getOrThrow(this.key1)")>;
    }

    @Override
    public int hashCode()
    {
        return (this.key1 == null ? 0 : this.key1.hashCode()) ^ <(hashCode.(type))("this.value1")>;
    }

    @Override
    public String toString()
    {
        return "{" + this.key1 + "=" + this.value1 + "}";
    }

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

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

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

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

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

    @Override
    public void appendString(Appendable appendable, String start, String separator, String end)
    {
        try
        {
            appendable.append(start);
            appendable.append(String.valueOf(this.value1));
            appendable.append(end);
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
    }

    private Object writeReplace()
    {
        return new ImmutableObject<name>MapSerializationProxy\<K>(this);
    }
}

>>

arithmeticMethods ::= [
    "byte": "allMethods",
    "short": "allMethods",
    "char": "allMethods",
    "int": "allMethods",
    "long": "allMethods",
    "float": "allMethods",
    "double": "allMethods",
    "boolean": "noMethods"
    ]

allMethods() ::= <<
@Override
public <wideType.(type)> sum()
{
    return this.value1;
}

@Override
public <type> min()
{
    return this.value1;
}

@Override
public <type> max()
{
    return this.value1;
}

@Override
public <type> maxIfEmpty(<type> defaultValue)
{
    return this.value1;
}

@Override
public <type> minIfEmpty(<type> defaultValue)
{
    return this.value1;
}

@Override
public double average()
{
    return this.value1;
}

@Override
public double median()
{
    return this.value1;
}

@Override
public <type>[] toSortedArray()
{
    return new <type>[]{this.value1};
}

@Override
public Mutable<name>List toSortedList()
{
    return <name>ArrayList.newListWith(this.value1);
}

>>

noMethods() ::= ""