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StaticCluster.java
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StaticCluster.java
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/*
* Copyright 2013 Google Inc.
*
* 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.google.maps.android.clustering.algo;
import com.google.android.gms.maps.model.LatLng;
import com.google.maps.android.clustering.Cluster;
import com.google.maps.android.clustering.ClusterItem;
import java.util.LinkedHashSet;
import java.util.Collection;
import java.util.List;
/**
* A cluster whose center is determined upon creation.
*/
public class StaticCluster<T extends ClusterItem> implements Cluster<T> {
private final LatLng mCenter;
private final Collection<T> mItems = new LinkedHashSet<>();
public StaticCluster(LatLng center) {
mCenter = center;
}
public boolean add(T t) {
return mItems.add(t);
}
@Override
public LatLng getPosition() {
return mCenter;
}
public boolean remove(T t) {
return mItems.remove(t);
}
@Override
public Collection<T> getItems() {
return mItems;
}
@Override
public int getSize() {
return mItems.size();
}
@Override
public String toString() {
return "StaticCluster{" +
"mCenter=" + mCenter +
", mItems.size=" + mItems.size() +
'}';
}
@Override
public int hashCode() {
return mCenter.hashCode() + mItems.hashCode();
}
@Override
public boolean equals(Object other) {
if (!(other instanceof StaticCluster<?>)) {
return false;
}
return ((StaticCluster<?>) other).mCenter.equals(mCenter)
&& ((StaticCluster<?>) other).mItems.equals(mItems);
}
}