package org.eclipse.collections.impl.map.strategy.immutable;
import java.util.Map;
import org.eclipse.collections.api.block.HashingStrategy;
import org.eclipse.collections.api.factory.map.strategy.ImmutableHashingStrategyMapFactory;
import org.eclipse.collections.api.map.ImmutableMap;
import org.eclipse.collections.impl.map.strategy.mutable.UnifiedMapWithHashingStrategy;
public enum ImmutableHashingStrategyMapFactoryImpl implements ImmutableHashingStrategyMapFactory
{
INSTANCE;
@Override
public <K, V> ImmutableMap<K, V> of(HashingStrategy<? super K> hashingStrategy)
{
return this.with(hashingStrategy);
}
@Override
public <K, V> ImmutableMap<K, V> with(HashingStrategy<? super K> hashingStrategy)
{
return new ImmutableEmptyMapWithHashingStrategy<>(hashingStrategy);
}
@Override
public <K, V> ImmutableMap<K, V> of(HashingStrategy<? super K> hashingStrategy, K key, V value)
{
return this.with(hashingStrategy, key, value);
}
@Override
public <K, V> ImmutableMap<K, V> with(HashingStrategy<? super K> hashingStrategy, K key, V value)
{
return UnifiedMapWithHashingStrategy.newWithKeysValues(hashingStrategy, key, value).toImmutable();
}
@Override
public <K, V> ImmutableMap<K, V> of(HashingStrategy<? super K> hashingStrategy, K key1, V value1, K key2, V value2)
{
return this.with(
hashingStrategy,
key1, value1,
key2, value2);
}
@Override
public <K, V> ImmutableMap<K, V> with(HashingStrategy<? super K> hashingStrategy, K key1, V value1, K key2, V value2)
{
return UnifiedMapWithHashingStrategy.newWithKeysValues(
hashingStrategy,
key1, value1,
key2, value2).toImmutable();
}
@Override
public <K, V> ImmutableMap<K, V> of(
HashingStrategy<? super K> hashingStrategy,
K key1, V value1,
K key2, V value2,
K key3, V value3)
{
return this.with(
hashingStrategy,
key1, value1,
key2, value2,
key3, value3);
}
@Override
public <K, V> ImmutableMap<K, V> with(
HashingStrategy<? super K> hashingStrategy,
K key1, V value1,
K key2, V value2,
K key3, V value3)
{
return UnifiedMapWithHashingStrategy.newWithKeysValues(
hashingStrategy,
key1, value1,
key2, value2,
key3, value3).toImmutable();
}
@Override
public <K, V> ImmutableMap<K, V> of(
HashingStrategy<? super K> hashingStrategy,
K key1, V value1,
K key2, V value2,
K key3, V value3,
K key4, V value4)
{
return this.with(
hashingStrategy,
key1, value1,
key2, value2,
key3, value3,
key4, value4);
}
@Override
public <K, V> ImmutableMap<K, V> with(
HashingStrategy<? super K> hashingStrategy,
K key1, V value1,
K key2, V value2,
K key3, V value3,
K key4, V value4)
{
return UnifiedMapWithHashingStrategy.newWithKeysValues(
hashingStrategy,
key1, value1,
key2, value2,
key3, value3,
key4, value4).toImmutable();
}
@Override
@Deprecated
public <K, V> ImmutableMap<K, V> ofMap(Map<K, V> map)
{
return this.ofAll(map);
}
@Override
public <K, V> ImmutableMap<K, V> ofAll(Map<K, V> map)
{
return this.withAll(map);
}
@Override
public <K, V> ImmutableMap<K, V> withAll(Map<K, V> map)
{
if (!(map instanceof UnifiedMapWithHashingStrategy<?, ?>))
{
throw new IllegalArgumentException();
}
UnifiedMapWithHashingStrategy<K, V> mapWithHashingStrategy = (UnifiedMapWithHashingStrategy<K, V>) map;
if (mapWithHashingStrategy.isEmpty())
{
return this.of(mapWithHashingStrategy.hashingStrategy());
}
return new ImmutableUnifiedMapWithHashingStrategy<>(mapWithHashingStrategy);
}
}