87 lines
3.0 KiB
Java
87 lines
3.0 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin.makedict;
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import com.android.inputmethod.annotations.UsedForTesting;
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import com.android.inputmethod.latin.BinaryDictionary;
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import com.android.inputmethod.latin.utils.CombinedFormatUtils;
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import java.util.Arrays;
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public final class ProbabilityInfo {
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public final int mProbability;
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// mTimestamp, mLevel and mCount are historical info. These values are depend on the
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// implementation in native code; thus, we must not use them and have any assumptions about
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// them except for tests.
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public final int mTimestamp;
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public final int mLevel;
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public final int mCount;
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@UsedForTesting
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public static ProbabilityInfo max(final ProbabilityInfo probabilityInfo1,
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final ProbabilityInfo probabilityInfo2) {
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if (probabilityInfo1 == null) {
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return probabilityInfo2;
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}
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if (probabilityInfo2 == null) {
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return probabilityInfo1;
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}
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return (probabilityInfo1.mProbability > probabilityInfo2.mProbability) ? probabilityInfo1
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: probabilityInfo2;
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}
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public ProbabilityInfo(final int probability) {
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this(probability, BinaryDictionary.NOT_A_VALID_TIMESTAMP, 0, 0);
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}
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public ProbabilityInfo(final int probability, final int timestamp, final int level,
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final int count) {
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mProbability = probability;
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mTimestamp = timestamp;
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mLevel = level;
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mCount = count;
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}
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public boolean hasHistoricalInfo() {
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return mTimestamp != BinaryDictionary.NOT_A_VALID_TIMESTAMP;
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}
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@Override
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public int hashCode() {
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if (hasHistoricalInfo()) {
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return Arrays.hashCode(new Object[] { mProbability, mTimestamp, mLevel, mCount });
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}
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return Arrays.hashCode(new Object[] { mProbability });
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}
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@Override
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public String toString() {
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return CombinedFormatUtils.formatProbabilityInfo(this);
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}
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@Override
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public boolean equals(Object o) {
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if (o == this) return true;
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if (!(o instanceof ProbabilityInfo)) return false;
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final ProbabilityInfo p = (ProbabilityInfo)o;
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if (!hasHistoricalInfo() && !p.hasHistoricalInfo()) {
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return mProbability == p.mProbability;
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}
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return mProbability == p.mProbability && mTimestamp == p.mTimestamp && mLevel == p.mLevel
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&& mCount == p.mCount;
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}
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} |