com.avos.avoscloud.ops.IncrementOp Maven / Gradle / Ivy
package com.avos.avoscloud.ops;
import java.util.HashMap;
import java.util.Map;
import com.alibaba.fastjson.annotation.JSONType;
import com.avos.avoscloud.AVObject;
import com.avos.avoscloud.AVUtils;
@JSONType(ignores = {"amount"})
public class IncrementOp extends BaseOp implements SingleValueOp {
protected Number amount;
public IncrementOp() {
super();
}
@Override
public void setValues(Object values) {
this.amount = (Number) values;
}
public Number getAmount() {
return amount;
}
public void setAmount(Number amount) {
this.amount = amount;
}
public IncrementOp(String key, Number amount) {
super(key, OpType.Increment);
this.amount = amount;
}
@Override
public Map encodeOp() {
HashMap subMap = new HashMap();
subMap.put("__op", "Increment");
subMap.put("amount", this.amount.longValue());
HashMap hashMap = new HashMap();
hashMap.put(key, subMap);
return hashMap;
}
@Override
public AVOp merge(AVOp other) {
assertKeyEquals(other);
switch (other.type()) {
case Set:
case Delete:
return other;
case Increment:
this.amount = this.amount.intValue() + other.cast(IncrementOp.class).amount.intValue();
return this;
case Compound:
other.cast(CompoundOp.class).addFirst(this);
return other;
case Add:
case AddUnique:
case Remove:
return new CompoundOp(key, this, other);
case AddRelation:
case RemoveRelation:
throw new UnsupportedOperationException(
"Could not add or remove relation on an numberic value.");
case Null:
return this;
default:
throw new IllegalStateException("Unknow op type " + other.type());
}
}
public Number getValues() {
return amount;
}
public Number apply(Object value) {
Number result = 0L;
if (value == null) {
return amount;
} else if (value instanceof Double || value instanceof Float || amount instanceof Double
|| amount instanceof Float) {
return ((Number) value).doubleValue() + amount.doubleValue();
} else {
return ((Number) value).longValue() + amount.longValue();
}
}
}