/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.bridge;
import javax.annotation.Nullable;
import android.support.v4.util.Pools;
/**
* Implementation of Dynamic wrapping a ReadableArray.
*/
public class DynamicFromArray implements Dynamic {
private static final Pools.SimplePool<DynamicFromArray> sPool = new Pools.SimplePool<>(10);
private @Nullable ReadableArray mArray;
private int mIndex = -1;
// This is a pools object. Hide the constructor.
private DynamicFromArray() {}
public static DynamicFromArray create(ReadableArray array, int index) {
DynamicFromArray dynamic = sPool.acquire();
if (dynamic == null) {
dynamic = new DynamicFromArray();
}
dynamic.mArray = array;
dynamic.mIndex = index;
return dynamic;
}
@Override
public void recycle() {
mArray = null;
mIndex = -1;
sPool.release(this);
}
@Override
public boolean isNull() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.isNull(mIndex);
}
@Override
public boolean asBoolean() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.getBoolean(mIndex);
}
@Override
public double asDouble() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.getDouble(mIndex);
}
@Override
public int asInt() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.getInt(mIndex);
}
@Override
public String asString() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.getString(mIndex);
}
@Override
public ReadableArray asArray() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.getArray(mIndex);
}
@Override
public ReadableMap asMap() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.getMap(mIndex);
}
@Override
public ReadableType getType() {
if (mArray == null) {
throw new IllegalStateException("This dynamic value has been recycled");
}
return mArray.getType(mIndex);
}
}