| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.queryable.queries; |
| |
| import com.android.queryable.Queryable; |
| |
| import java.io.Serializable; |
| |
| /** Implementation of {@link IntegerQuery}. */ |
| public final class IntegerQueryHelper<E extends Queryable> implements IntegerQuery<E>, |
| Serializable { |
| |
| private Integer mEqualToValue = null; |
| private Integer mGreaterThanValue = null; |
| private Integer mGreaterThanOrEqualToValue = null; |
| private Integer mLessThanValue = null; |
| private Integer mLessThanOrEqualToValue = null; |
| |
| private final E mQuery; |
| |
| IntegerQueryHelper() { |
| mQuery = (E) this; |
| } |
| |
| public IntegerQueryHelper(E query) { |
| mQuery = query; |
| } |
| |
| |
| @Override |
| public E isEqualTo(int i) { |
| mEqualToValue = i; |
| return mQuery; |
| } |
| |
| @Override |
| public E isGreaterThan(int i) { |
| if (mGreaterThanValue == null) { |
| mGreaterThanValue = i; |
| } else { |
| mGreaterThanValue = Math.max(mGreaterThanValue, i); |
| } |
| return mQuery; |
| } |
| |
| @Override |
| public E isGreaterThanOrEqualTo(int i) { |
| if (mGreaterThanOrEqualToValue == null) { |
| mGreaterThanOrEqualToValue = i; |
| } else { |
| mGreaterThanOrEqualToValue = Math.max(mGreaterThanOrEqualToValue, i); |
| } |
| return mQuery; |
| } |
| |
| @Override |
| public E isLessThan(int i) { |
| if (mLessThanValue == null) { |
| mLessThanValue = i; |
| } else { |
| mLessThanValue = Math.min(mLessThanValue, i); |
| } |
| return mQuery; |
| } |
| |
| @Override |
| public E isLessThanOrEqualTo(int i) { |
| if (mLessThanOrEqualToValue == null) { |
| mLessThanOrEqualToValue = i; |
| } else { |
| mLessThanOrEqualToValue = Math.min(mLessThanOrEqualToValue, i); |
| } |
| return mQuery; |
| } |
| |
| /** {@code true} if all filters are met by {@code value}. */ |
| @Override |
| public boolean matches(Integer value) { |
| if (mEqualToValue != null && mEqualToValue != value) { |
| return false; |
| } |
| |
| if (mGreaterThanValue != null && value <= mGreaterThanValue) { |
| return false; |
| } |
| |
| if (mGreaterThanOrEqualToValue != null && value < mGreaterThanOrEqualToValue) { |
| return false; |
| } |
| |
| if (mLessThanValue != null && value >= mLessThanValue) { |
| return false; |
| } |
| |
| if (mLessThanOrEqualToValue != null && value > mLessThanOrEqualToValue) { |
| return false; |
| } |
| |
| return true; |
| } |
| } |