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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.datatypes;
import com.yahoo.document.DataType;
import com.yahoo.document.Field;
import com.yahoo.document.PrimitiveDataType;
import com.yahoo.document.serialization.FieldReader;
import com.yahoo.document.serialization.FieldWriter;
import com.yahoo.document.serialization.XmlSerializationHelper;
import com.yahoo.document.serialization.XmlStream;
import com.yahoo.vespa.objects.Ids;
/**
* A 64-bit integer field value
*
* @author Einar M R Rosenvinge
*/
public final class LongFieldValue extends NumericFieldValue {
private static class Factory extends PrimitiveDataType.Factory {
@Override public FieldValue create() { return new LongFieldValue(); }
@Override public FieldValue create(String value) { return new LongFieldValue(value); }
}
public static PrimitiveDataType.Factory getFactory() { return new Factory(); }
public static final int classId = registerClass(Ids.document + 12, LongFieldValue.class);
private long value;
public LongFieldValue() {
this(0L);
}
public LongFieldValue(long value) {
this.value = value;
}
public LongFieldValue(Long value) {
this.value = value;
}
public LongFieldValue(String s) {
value = Long.parseLong(s);
}
@Override
public LongFieldValue clone() {
LongFieldValue val = (LongFieldValue) super.clone();
val.value = value;
return val;
}
@Override
public void clear() {
value = 0L;
}
@Override
public Number getNumber() {
return value;
}
@Override
public void assign(Object obj) {
if (!checkAssign(obj)) {
return;
}
if (obj instanceof Number) {
value = ((Number) obj).longValue();
} else if (obj instanceof NumericFieldValue) {
value = (((NumericFieldValue) obj).getNumber().longValue());
} else if (obj instanceof String || obj instanceof StringFieldValue) {
value = Long.parseLong(obj.toString());
} else {
throw new IllegalArgumentException("Class " + obj.getClass() + " not applicable to an " + this.getClass() + " instance.");
}
}
public long getLong() {
return value;
}
@Override
public Object getWrappedValue() {
return value;
}
@Override
public DataType getDataType() {
return DataType.LONG;
}
@Override
@Deprecated
public void printXml(XmlStream xml) {
XmlSerializationHelper.printLongXml(this, xml);
}
@Override
public String toString() {
return "" + value;
}
@Override
public int hashCode() {
int result = super.hashCode();
result = 31 * result + (int) (value ^ (value >>> 32));
return result;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof LongFieldValue)) return false;
if (!super.equals(o)) return false;
LongFieldValue that = (LongFieldValue) o;
if (value != that.value) return false;
return true;
}
@Override
public void serialize(Field field, FieldWriter writer) {
writer.write(field, this);
}
/* (non-Javadoc)
* @see com.yahoo.document.datatypes.FieldValue#deserialize(com.yahoo.document.Field, com.yahoo.document.serialization.FieldReader)
*/
@Override
public void deserialize(Field field, FieldReader reader) {
reader.read(field, this);
}
@Override
public int compareTo(FieldValue fieldValue) {
int comp = super.compareTo(fieldValue);
if (comp != 0) {
return comp;
}
//types are equal, this must be of this type
LongFieldValue otherValue = (LongFieldValue) fieldValue;
if (value < otherValue.value) {
return -1;
} else if (value > otherValue.value) {
return 1;
} else {
return 0;
}
}
}
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