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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.vespa.indexinglanguage.expressions;
import com.yahoo.document.ArrayDataType;
import com.yahoo.document.DataType;
import com.yahoo.document.datatypes.Array;
import com.yahoo.document.datatypes.FieldValue;
/**
* @author Simon Thoresen Hult
*/
public final class ToArrayExpression extends Expression {
public ToArrayExpression() {
super(UnresolvedDataType.INSTANCE);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
protected void doExecute(ExecutionContext context) {
FieldValue input = context.getValue();
DataType inputType = input.getDataType();
ArrayDataType outputType = DataType.getArray(inputType);
Array output = outputType.createFieldValue();
output.add(input);
context.setValue(output);
}
@Override
protected void doVerify(VerificationContext context) {
context.setValueType(DataType.getArray(context.getValueType()));
}
@Override
public DataType createdOutputType() {
return UnresolvedDataType.INSTANCE;
}
@Override
public String toString() {
return "to_array";
}
@Override
public boolean equals(Object obj) {
return obj instanceof ToArrayExpression;
}
@Override
public int hashCode() {
return getClass().hashCode();
}
}
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