com.facebook.presto.jdbc.internal.jackson.databind.node.BigIntegerNode Maven / Gradle / Ivy
package com.facebook.presto.jdbc.internal.jackson.databind.node;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import com.facebook.presto.jdbc.internal.jackson.core.*;
import com.facebook.presto.jdbc.internal.jackson.databind.SerializerProvider;
/**
* Numeric node that contains simple 64-bit integer values.
*/
public class BigIntegerNode
extends NumericNode
{
private final static BigInteger MIN_INTEGER = BigInteger.valueOf(Integer.MIN_VALUE);
private final static BigInteger MAX_INTEGER = BigInteger.valueOf(Integer.MAX_VALUE);
private final static BigInteger MIN_LONG = BigInteger.valueOf(Long.MIN_VALUE);
private final static BigInteger MAX_LONG = BigInteger.valueOf(Long.MAX_VALUE);
final protected BigInteger _value;
/*
/**********************************************************
/* Construction
/**********************************************************
*/
public BigIntegerNode(BigInteger v) { _value = v; }
public static BigIntegerNode valueOf(BigInteger v) { return new BigIntegerNode(v); }
/*
/**********************************************************
/* Overrridden JsonNode methods
/**********************************************************
*/
@Override
public JsonToken asToken() { return JsonToken.VALUE_NUMBER_INT; }
@Override
public JsonParser.NumberType numberType() { return JsonParser.NumberType.BIG_INTEGER; }
@Override
public boolean isIntegralNumber() { return true; }
@Override
public boolean isBigInteger() { return true; }
@Override public boolean canConvertToInt() {
return (_value.compareTo(MIN_INTEGER) >= 0) && (_value.compareTo(MAX_INTEGER) <= 0);
}
@Override public boolean canConvertToLong() {
return (_value.compareTo(MIN_LONG) >= 0) && (_value.compareTo(MAX_LONG) <= 0);
}
@Override
public Number numberValue() {
return _value;
}
@Override
public short shortValue() { return _value.shortValue(); }
@Override
public int intValue() { return _value.intValue(); }
@Override
public long longValue() { return _value.longValue(); }
@Override
public BigInteger bigIntegerValue() { return _value; }
@Override
public float floatValue() { return _value.floatValue(); }
@Override
public double doubleValue() { return _value.doubleValue(); }
@Override
public BigDecimal decimalValue() { return new BigDecimal(_value); }
/*
/**********************************************************
/* General type coercions
/**********************************************************
*/
@Override
public String asText() {
return _value.toString();
}
@Override
public boolean asBoolean(boolean defaultValue) {
return !BigInteger.ZERO.equals(_value);
}
@Override
public final void serialize(JsonGenerator jg, SerializerProvider provider)
throws IOException, JsonProcessingException
{
jg.writeNumber(_value);
}
@Override
public boolean equals(Object o)
{
if (o == this) return true;
if (o == null) return false;
if (!(o instanceof BigIntegerNode)) {
return false;
}
return ((BigIntegerNode) o)._value.equals(_value);
}
@Override
public int hashCode() {
return _value.hashCode();
}
}
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